THE EXTERNAL STRUCTURE OF AXIS. i/ 



articulation with the thorax, the eyes, the clypeus, or epistoma, a plate 

 of very variable outline and immovably articulated with and set into 

 the anterior portion of the cranium, the antennje, and the mouth-parts, 



FIG. 3. Heads of various ants. (Original.) A, Myslriuin rogcri, worker; B, 

 Myrmecia gulosa, worker; C, Eciton luunatiiin. soldier; D, Harp'egnathus crucntatus, 

 female; E, Daceton arniigerniii, worker; F, Leptomynnex erythrocephalus, worker: 

 G, Cheliomyrmex ncrtoni, soldier; H. Pheidole lamia, soldier; /, Thaumatomyrmex 

 mutilatiis, 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 



