INDEX TO VOL. XV 



Bombyliidae, 21 

 Campbell. A. S., 37 

 Campbell, R. E., 61 

 Chambevlin, R. V., 3 

 Cole, F. R., 19, 21 

 Coleoptera, 37, 61 

 Color Change, 27 

 Dinaparte. 61 

 Diptera, 19, 21 

 Dodds, C. T., 35. 57 

 Frogs, 2 7 



Hilton, W. A.. 11. 17 

 Lepidoptera, 33 

 Marimon, S., 27 



Meadows, D., 33 



Mealy Bug. 57 



Merrill, I., 1 



Microdon. 19 



Mlmetus, 3 



Model, 1 



MoUusca, 37 



Mouse. 1 



Nasal Chamber, 1 



Nervous System. 11. 17, 43. 67 



Schoonover. E, 1 



Sense Organs, 11, 17. 43, 67 



Spiders, 3 



Syrphid, 1!) 



