418 



N. E. McINDOO 



Figs. 20 to 66 External view of olfactory pores on same grasshopper as men- 

 tioned in figures 1 and 2. Imk- 20, 10 pores from g (fig. 1) on antenna; fig. 21, an 

 isolated pore from a on antenna; fig. 22, one of the largest pores and medium-sized 

 bair on bead capsule; fig. 23, group b on mandible; fig. 24, group /' on maxillary 

 palpus; fig. -'•">. a pore from palpifer (fig. 8, a); fi^. 26, a pore from galea (b); fig. 27, 

 group c on lacinia; fig. 28, 1 pores of group i on Lacinia; fig. 29, <i pores from group 

 b in hypoipharynx; fig. 30, a pore from ligula (fig. 9, j); fig. 31, a pore from group 

 '/ on labrum; fin. 32, .-i pore and -' hairs near ;i s|>iracle on fourth abdominal seg- 



