LIST OF ILLUSTKATIONS. 



PAGE 



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



Fig. 1. Spider Carrying Her Young in a Silken Ball (Dolomedcs tene- 



brosus, Hentz). From a photograph by the Author . 39 



Fig. 2. The Whip-tailed Scorpion (Thelyphonus giganteus). Natural 



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



Fig. 3. A Typical Dragon-fly (Libellula trimaculata) : $ natural size. 



From a photograph of living specimen by the Author 45 



Fig. 4. The Praying Mantis. Drawn from life by the Author . 50 



Fig. 5. The Violet Land Crab. Drawn by the Author . . 61 



Fig. 6. Sawfish (P. pectinatus). Side view . . . .65 



Fig. 7. Sawfish (P. pectinatus). Ventral view ... 65 



Fig. 8. Torpedo (Torpedo occidentalis) . . . .69 



Fig. 9. Barndoor Skate (Raid Icevis) .... 69 



Fig. 10. Sting Ray ( Trygon sabina) . . . . .69 



Fig. 11. The White Shark (Carcharias) .... 71 



Fig. 12. Hammerhead Shark (Zygcena malleus) . . . .73 



Fig. 13. Chlamydoselachus anguineus .... 75 



Fig. 14. The Torchfish (Linophryne lucifer] . . . .77 



Fig. 15. Neolythites steatiticus ..... 79 



Fig. 16. Odontostomas alratus . , . . .79 



Fig. 17. Bathypercis platyrhynchus ..... 79 



Fig. 18. Physiculus argyropastus . . . . .79 



Fig. 19. The Sea-horse (Hippocampus heptagonus . . 83 



Fig. 20. Phylopteryx eques . . . . . .84 



Fig. 21. Fry of Sea-horse ..... 85 



Fig. 22. The Common Eel (Anguilla vulgaris) . . . .88 



Fig. 23. Life-size head of Murcenopsis tridaetylus ... 92 



Fig. 24. The Tiger Salamander . . . . .97 



Fig. 25. Common Bullfrog. From photograph by the Author . 101 



Fig. 26. Tree-toads (Hyla versicolor) . . . . .103 



Fig. 27. Anolis principal ...... 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 



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



