Plate VI. 



ANATOMICAL DETAILS OF SIMULIID.13. 



Fig. 1. — He;ul of larva of tSiniiiliiiiu incrUlionaJc from ventral aspect 

 2. — Antenna of H'nnuJiuiii. imago. 

 3. — Antenna of I'ro-siniiiliiini liirtiiJcs, larva. 

 4. — Pupal respiratory filaments of 8imu1iii7it metallicum. 

 5. — Pnpal respiratory filaments of Simuliinii piscinMiim. 

 6. — Larval respiratory filaments of Sinnilinin iiictipcs. 

 7. — Portion of ray of mouth fan of rrofii>iuiUu))i hiiiii)cs, larva. 

 8. — Cocoon of tsiinuiiiim pictipc's. (Original.) 



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