figure Page 



33. Nurse Shark, Ginglymostoma cirratum 99 



34. Sand Shark, Carcharias taurus 101 



35. Mako, Isurus oxyrhincus 104 



36. Man Eater, Carcharodon carcharias 106 



37. Common Thresher, Alopias vulpinus 109 



38. Florida Dog Fish, Mustelus norrisi 111 



39. Common Smooth Dog Fish, Mustelus canis 113 



40. Cat Shark, Scyliorhinus torrei 115 



41. Lemon Shark, Negaprion brevirostris 117 



42. Tiger Shark, Galeocerdo cuvier 120 



43. Great Blue Shark, Prionace glauca 123 



44. Pigmy Dog Fish, Triakis barbouri 125 



45. Smooth-Toothed Shark, Aprionodon isodon 127 



46. Sharp-Nosed Shark, Scoliodon terrae-novae 129 



47. Night Shark, Hypoprion signatus 131 



48. Bonnet Shark, Sphyrna tiburo 133 



49. Common Hammerhead, Sphyrna zygaena ._'_ 135 



50. Hammerhead, Sphyrna diplana 137 



51. Great Hammerhead, Sphyrna tudes 139 



52. Common Spiny Dog Fish, Squalus acanthias 141 



53. Cuban Spiny Dog Fish, Squalus cubensis . 143 



54. Black-Bellied Dog Fish, Etmopterus hilli-anus 145 



55. Luminous Shark, Isistius brasiliensis 147 



56. Angel Fish, Rhina dumeril 149 



