ILLUSTRATIONS 



PLATE PAGE 



XIV. — Clambering and Running Insects, Mayfly 



Nymphs Ephemerella, Ameletus, Tricorythus, 

 CcBtiis, Siphlurus . . . . .210 



XV. — Clinging Insects of the Swift Currents, 



Heptagenia, Iron, Epeorus . . .212 



XVI. — Collecting Nets Spun by the Caddis Worm, 



Hydropsyche ...... 252 



XVII. — Eggs of Water Insects: Mayfly, Horse- 



Fly, Caddis Fly, and Hydrophilid Beetle 276 



XVIII. — Brook Stickleback, Eucalia inconstans, and 

 Common Sunfish, Eupomotis gihhosus. {In 

 color) ....... 340 



XIX. — Salamanders: Spotted Newt, Triturus vir- 

 idescens; Two-Lined, Eurycea hislineata; 

 Dusky, Desmognathus fusca; Spotted, Am- 

 hystoma maculatum. (In color) . . 354 



XX. — Amphibian Eggs: Spotted Salamander, Am- 

 hystoma maculatum; Wood Frog, Rana syl- 

 vatica; Common Toad, Bufo americanus . 384 



XXL — Frogs: S?ring Peeper, Hyla crucifer; Tree 

 Toad, Hyla versicolor; Green Frog, Rana 

 clamitans. {In color) . . . . 386 



XXII. — Musk Turtle, Stenotherus odoratus. {In 



color) ....... 396 



XXIII. — Common Pond Turtles: Spotted, Clemmys 

 guttata; P.\inted, Chrysemys picta. {In 

 color) ....... 400 



XVI 



