442 NEW YORK STATE MUSEUM 



EXPLANATION OF PLATES 



PLATE 32 



Simulluni territory 

 A little fall in the bottom of Cascadilla goi'ge. 



PLATE 33 



Simulium meridionale 



1 Mandible of larva. xllO ' 



2 Maxilla of lai-va. xllO 



3 Hypopbarynx of larva. xllO 



4 Labium of larva. xl90 



5 Respiratory filaments of pupa. x40 



Simulium pecuarum 



6 Mandible of larva. xllO 



7 Hypopbarynx of larva. xllO 



8 Labium of larva. xl90 



9 Maxilla of larva. xllO 



10 Respii-atory filaments of pupa. No scale 



11 Labrum of larva. xllO 



PLATE 34 



Simulium hirtipes 



1 Wing of male. xl5. C Costa. 8c Subcosta. R Radius. M Media. 



Cu Cubitus. A Anal 



2 Palpus of adult. Female. x40 



3 Maxilla of larva. xllO 



4 Labium of larva. xllO 



5 Anteiina of larva. xllO 



6 Mandible of larva. xllO 



7 Ventral view of bead of larva. No scale. Ir Labrum. in Mandible. 



X Maxilla. I Labium, f Pan 



8 One ray of fan of larva. No scale 



9 Larva. x6 



10 Pupa. x6 



11 Ventral view of caudal disk. x6 



12 One of the radial rows of hooks of caudal disk. No scale 



13 Pupal respiratory filaments. No scale 



PLATE 35 



Simulium vittatum 



1 Respiratoi-y filaments of pupa. x40 



2 Labium of lai'va. xl90 



3 Mandible of larva. xllO 



Simulium sp. 

 From California, Santa Cruz mountains 



4 Respiratory filaments of pupa. No scale 



5 Pupal case. No scale 



6 Mandible of lai-va. xllO 



7 Labium of larva. xl90 



