Image from page 49 of "Ants; their structure, development and behavior" (1910)
Authors: Wheeler, William Morton, 1865-1937
Publisher: New York, Columbia university press
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library
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Text Appearing Before Image:
FIG. 3. Heads of various ants. (Original.) A, Myslriuin rogcri, worker; B,Myrmecia gulosa, worker; C, Eciton luunatiiin. soldier; D, Harpegnathus crucntatus,female; E, Daceton arniigerniii, worker; F, Leptomynnex erythrocephalus, worker:G, Cheliomyrmex ncrtoni, soldier; H. Pheidole lamia, soldier; /, Thaumatomyrmexmutilatiis, worker; K, Odonlomachus htrmatodes, worker; L. Cryptocerus clypcatns,soldier ; M, Cryptocerus varians, soldier; N, Opisthopsis respiciens, worker ; O, Lep-togenys maxillosus, worker ; P, Asteca sericea, soldier ; Q, Acromyrmex octospinosus,worker ; R, Dolichoderus attelaboides, worker ; S, Colobopsis impressa, soldier ; T.Camponotits cognatus, soldier; U, Camponotus inirabilis. female. 3 iS ANTS.
Text Appearing After Image:
comprising an unpaired upper lip, or labrum, the mandibles, maxillaeand labium, or lower lip. In the last the originally separate and pairedembryonic appendages are fused in the median line so that they forma continuous floor for the mouth or buccal cavity. In the cranium thefollowing regions may be distinguished: the front, a region boundedanteriorly by the posterior edge of the clypeus and laterally by a pair of ridges, the frontal carinae orlaminae, just mesial to the inser-tions of the antennae. A small,usually triangular, median region,the frontal area, can be easilyseen in the middle line just backof the clypeus, and often there isan impressed line, the frontalgroove, extending back from thi-area over the middle of the front.The frontal region passes with-out definite boundary into thevertex and temples, the formerextending posteriorly, the latterlying above and behind the eyes.The short region between thevertex and the narrow opening,or foramen through which thealimentary tract
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