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Identifier: introductiontozo00wriguoft

Title: An introduction to zoology : for the use of high schools

Year: 1889 (1880s)

Authors: Wright, R. Ramsay (Robert Ramsay), 1852-1933

Subjects: Zoology

Publisher: Toronto : Copp, Clark Co.

Contributing Library: OISE - University of Toronto

Digitizing Sponsor: MSN

  

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About This Book: Catalog Entry

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symmetry of the fore-going sub-kingdoms, a radial symmetry is often more notice-able. On this account the groups in question were at one timeknown as the.* Radiata, but it must be understood that bi-lateral symmetry may co-exist with the radial. 2. The Echinoderms, exclusively a marine group, receive their name from the generalpresence of an exoskele-ton formed of more orless regular calcareousplates in the skin (Fig.170), which cai-ry pro-tecting spines. As a rulethe body is formed offive similar rays or an-timeres grouj)ed roiuid Fig. 170.—Echiims esculenfus. 1- a central axis. The in- Half of the shell is stripped of the spines, show- . , • • ,,enoll v rnm- ing the double rows of imperforate plates, a; and teStUie IS USUaUy COm-of those perforated by the tube-fee^-&. ^j^^.^ ^^^ contained in a spacious coelom, from which there is separated off duringdevelopment a system of blood-vessels, and also a characteristicsystem of water-vessels. The chief stems of the latter answer

 

Text Appearing After Image:

HIGH SCHOOL ZOOLOGY. 243 to the rays, and are provided withreservoirs, from which water can beforced into certain short processes ofthe steins, known as tube-feet(Fig. 171), which are thus caused to pro-ject from the surface of the body, so asto act as locomotive organs. 3. The larvae are extremely unlikethe adults, the developmental stagesrecalling in many respects those of aremarkable worm-like animal {Balano-glossus), the organization of whichpoints to its being a very primitiveA Hoiothuroid with tentacles fomi, presenting as it does, points of expanded, and tube-feet pro- . , t i • truded; the latter are arranged COntact With Several higher Sub-king-in distinct rows. , doms.4. Of the various classes into which the Echinoderms aresubdivided, the Holothuroidea are characterized by cylindricalform and a soft skin (Fig. 171). The tube-feet are often con-fined to a ventral surface so that the animals are then distinctly

  

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Innovation Exchange Day - IDeALL project

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

Jesse Marsh, Francesco Perez-Trejo, Alvaro Oliveira

Jesse Marsh, Francesco Perez-Trejo, Alvaro Oliveira

The Creative Ring at ICT 2013

Innovation Exchange Day - IDeALL project

Francisco Perez-Trejo, Senior Adviser, FAO

Alvaro Oliveira, President, ENoLL

Second day, Dissemination WP for the City SDK project meeting @ Waag Society

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

City SDK project meeting @ Waag Society

Francesco Perez-Trejo, Jesse Marsh

Francesco Perez-Trejo, Jesse Marsh

Francesco Perez-Trejo, Jesse Marsh

Innovation Exchange Day - IDeALL project

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

OpenLivingLabDays, ENoLL Summer school 2014, Amsterdam

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

The 4th ENoLL Summer School took place in Manchester (UK) on 27--30 Aug 2013. After the four intensive and inspiring days, we were pleased to conclude that the Summer School was a big success with a diverse mix of more than 150 participants from universities, private and public sector from all over the world to share and gain expertise on a wide set of initiatives related to living labs and smart & creative cities. Find more about our summer school here: 4thenollsummerschool.wordpress.com

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