VI 



SYSTEMATIC INDEX, 



Leposternon 55 



Typhlops 56 



Serpentes proper 56 



Non-venomous 57 



Tortrix 57 



Uropeltis 58 



Boa 58 



Scytalc 60 



Erix 60 



Erpeton 60 



Coluber 61 



Python 61 



Cerberus 61 



Xenopeltis 62 



Heterodon 62 



HuHa 62 



Dipsas 62 



Dendropliis 63 



Dryinus 63 



Dryophis 63 



Oligodon 63 



Coluber proper 63 



Acrochordus 65 

 Venomous, with simple fangs 65 



Crotalus 66 

 Trigonocepludus 67 



Vipera 68 



Naia 70 



Elaps 71 



Micrurus 71 



Platurus 71 



Trimeresurus 72 



Oplocephalus 72 



Acanthophis 72 



Echis 72 



Lang'aha 72 

 Venomous, with fangs Sc other 



teeth 72 



Bungarus 73 



Hydrus 73 



Hydrophis 73 



Pelamis 73 



Chersydrus 74 



NuDA 74 



Caecilia 74 



BATRACHIA 76 



Rana 77 



Rana proper 78 



Ceratophris 80 



Dactylethra 80 



Hyla 80 



Bufo 81 



Bombinator 83 



Rhinellus 84 



Otilophis 84 



Breviceps 84 



Pipa 84 



Salamandra 85 

 Salamandra proper 85 



Triton 

 Menopoma 

 Amphiuma 

 Axolotus 

 Menobranchus 

 Proteus 

 Siren 

 PISCES 



ACANTHOPTERYGII 



PERCOIDKS 

 With thoracic ventrals. 



Seven branchial rays, t^ 

 dorsals. 

 Perca 

 Labrax 

 Lates 



Centropomus 

 Grammistcs 

 Aspro 

 Huro 

 Etelis 

 Niphon 

 Enoplosus 

 Diploprion 

 Apogon 



Cheilodipterus 

 Pomatomus 

 Ambassis 

 Lucio-Perca 

 With a single dorsal, 

 two canine teeth. 



Serranus 

 « Serranus proper 



Anthias 

 Merra 

 Plectropoma 

 Diacope 

 Mesoprion 

 With a single dorsal, 

 teeth small and 

 crowded. 

 Acerina 

 Rypticus 

 Polyprion 

 Centropristis 

 Gristes 

 With less than seven 

 branchial branches. 

 A single dorsal, two 

 canine teeth. 

 Cirrhites 

 A single dorsal, teeth 

 small and crowded. 

 Chironemus 

 Pomotis 



86 

 88 

 88 

 89 

 89 

 89 

 90 

 91 

 96 

 97 



98 

 98 

 98 

 99 

 99 

 99 

 100 

 100 

 100 

 100 

 100 

 100 

 101 

 101 

 101 

 102 



102 

 102 

 103 

 103 

 105 

 105 

 105 



106 

 106 

 106 

 107 

 107 



107 



108 

 108 



