viii LIS T OF ILL USTRA TIONS. 



FIG. 



31. Bolitophila fusca - - - - - - 14 7 



32. Mycetobia pallipes (wing, leg, and jxalpus) - - - 148 

 ^^T^. \\fmg o{ Difomyiafasciata- - - - - i49 



34. Wing a.nd palpus oi Dia(/oc/cfia /c'rrugviosc7 - - 150 



35. Dilopus febrilis, or Fever Fly - - - - 161 



36. Simuliu?n reptans - - - - - - 168 



37. Larva of Chirofionms plumosus - - - - 172 



38. Eggs of Chironovms - - - - - 174 



39. Pupa of Chiro?iomus phi moms - - - " ^75 



40. Clunio marinus - - - - - - 196 



41. Larva of Ceratopogon bipunctatus - - - - ^97 



42. Pupa of Ceratopogon bipunctatus - ■ - - " ^97 



43. Compontia cruciform is - - - - - 202 



44. Three undescribed larvte of Chironomus (sp. ^) - - 204 



