PLATE II. — To Show the Characteristics of the Larv.e of 

 Different Genera. 



Fig. 1. — The larva of Anopheles macnlipeniiis. 



Fig. 2. — Hinder extremity of the same, more enlarged. 



Fig. 3. — The larva of Anopheles nigripcs, to show the arrangement of the 



respiratory system. 

 Fig. 4. — Pupa of Anopheles macidipennis. 

 Fig. 5. — One of the natatory bristles. 

 Fig. 6. — The larva of Corcthra plumicomis. 

 Fig. 7. — The pupa of Corethra plumicornls. 

 Fig. 8. —Embryo of Corethra plumicornis within the ovum. 

 Fig. 9.— The larva of Jlochlonyx culiciformis. 

 Fig. 10. — The pupa of Mochlonyx culiciformis. 



