THE FIRST MAX1LL.E 



65 



duced. In the Mecoptera the lacinia and 

 galea are closely similar (Fig. 58) ; in the 

 Trichoptera only one of the lobes is pres- 

 ent (Fig. 59), while in Lepidoptera the 

 galea unites with its mate to form the 

 so-called tongue (Fig. 60). The maxilla 

 of the male of Tegeticula yuccasella is 

 normal, though the galese are separate ; 

 but in the female, what Smith regards as 

 the palpifer (the " tentacle " of Riley) is 



FIG. 56. Maxilla of a carabM, 

 AiwiiMhafmux tellkam}>fii : f, la- 

 cinia; y, 2 -jointed galea; p, palpus; 

 st, stipes ; 'c, cardo. 



Fio. 5S. Mnx- 

 illa of Panorpa. 



FIG. 57. Maxilla of Nemognatha, ?, from Montana. A, base of 

 maxilla enlarged to show the taste-pajiilla^ (t/>) and cups (7c), on the 

 galea (t/n). B, jiart of end of tralea to .show the imperfect segments and 

 taste-organs : H., nerve ; agangiionated nerve supplies each taste-papilla or 

 cup ; I, lacinia ; />, palpifer ; , subgalea. 



Fio. 59. Maxilla 

 of Lii/nirji/ti/tix /in- 

 ttifiis: HIJ-, stipes; 

 luc, galea. 



