LIST OF ILLUSTRATIONS. 



PAGE 

 Portrait of Author (1894) ..... Frontispiece 



Spicier Carrying Her Young in a Silken Ball (Dolomedes tene- 



bros.us, Ilentz). From a photograph by the Author . 39 



The Whip-tailed Scorpion (Thelyphonus giganteus). Natural 



size. From life, by the Author ... 41 



A Typical Dragon-fly (Libellula trimaculata) : $ natural size. 



From a photograph of living specimen by the Author 45 



The Praying Mantis. Drawn from life by the Author 50 



The Violet Land Crab. Drawn by the Author . . 01 



Sawfish (P. pectinatus). Side view . . . 05 



Sawfish (P. pectinatus). Ventral view . . . 65 



Torpedo [Torpedo occidentalis) . . . .69 



Barndoor Skate (Raia losvis) .... 69 



Sting Ray (Trygon sabina) ■ ■ . ■ .69 



The White Shark (Carcharias) .... 71 



Hammerhead Shark [Zygozna malleus) .... 73 



Chlamydoselaekus anguineus .... 75 



The Torchfish (Linophryne lucifer) . . . .77 



Neobythites steatiticus ..... 79 



Odontostomas airatus . . . . . .79 



Bathypercis platyrhynchus ..... 79 



Physieulus argyropastus . . . . .79 



The Sea-horse (Hippocampus heptagonus . . S3 



Pliylopteryx eques . . . . . .84 



Fry of Sea-horse ..... 85 



The Common Eel (Anguilla vulgaris) .... 88 



Life-size head of Murmnopsis tridaetylus . . . 92 



The Tiger Salamander . . . . .97 



Common Bullfrog. From photograph by the Author . 101 



Tree-toads (Hyla versicolor) ..... 103 



Anolis principalis . . . . . . Ill 



Fig. 28. Gila Monsters (Heloderma suspeclum) .... 117 



Fig. 29. Side view of the Head of a Heloderma . 119 



Fig. 30. Superior view of a Heloderma .... 121 



Fie. 31. Ventral view of a Heloderma .... 123 



