Introduction 



Grasshopper 

 Cricket 

 Bumble Bee 

 Butterfly 

 House Fly 

 Squash-bug 

 Beetle . . 

 Dragon-fly 

 Spider . . 

 Thousand Li 

 Crayfish . 

 Sow-bug .... 

 Cyclops .... 

 Earthworm . . . 

 Fresh-water Clam 

 Snail 



(Qotnell Unioeraity Ilibrarg 



Strata, SJero Unrk 



A....H. 



'rieAxt,. 



t- 

 36 



37 



40 



46 



) 

 56 



58 

 60 

 162 



69 



i 

 70 



86 



98 



L02 



LOS 



L19 



150 



Sea-urchin 160 



Fresh-water Hydra . . 166 



Sea-anemone 171 



Coral Polyps 172 



Sponges 176 



Books of Reference 181 



