SYSTEMATIC INDEX. 



Introduction : 



Remarks on the distinction of species 



Measurements 



Abbreviations 



Part I — Eeview of the species. 



Part II — Synopsis of the species: 



Artificial key to the species, based on 

 Artificial key to the species, based on 



Reviei^. ^y^JT 

 Pago. 

 Subfamily DELPHININAE : 



Sotalia 13 



gadamu 13 



lentigiuosa 15 



guiauensis 17 



brasiliensis 17 



pallida 17 



tucuxi 17 



tluviatilis 17 



plumbea 21 



sinensis 23 



Steno 23 



rostratus 24 



perspicillatus 32 



Tiirsiops 32 



tnrsio „ 32 



catalania 40 



abnsalam 41 



parvimanus 43 



gillii 43 



Delpbinns 44 



delphis 4.5 



longirostris 58 



capensis 59 



roseiveutris CO 



Prodelphinus CI 



creruleo-albus C2 



enphrosyne 03 



? lateralis C5 



plagiodon GG 



frtenatus G8 



malayanus 67 



external characters 

 cran ial cli aracters . . 



Page. 



153 

 154 

 155 

 155 

 155 

 156 

 155 

 156 

 153 

 153 

 156 

 157 

 157 

 158 

 158 

 159 

 159 

 159 

 160 

 160 

 160 

 161 

 162 

 162 

 162 

 163 

 163 

 164 

 164 

 166 

 165 



Review. 

 Page. 

 Subfamily DELPHININAE— 

 Continued. 



Prodelphinus — Cont'd. 



attenuatus G7 



longirostris 75 



Tursio 77 



peronii 78 



borealis 80 



Lagenorhyuchus 83 



acutus 85 



fitzroyi 87 



thicolea 88 



crnciger 00 



superciliosus 92 



albirostris 94 



obliquidens 96 



clectra 100 



obscurus 104 



Sagmatias 106 



amblodon 106 



Feresa 107 



intermedia 107 



Cephalorhynchus 108 



heavisidei 108 



albifrons Ill 



hectori 112 



euti'opia H2 



Neomeris Ill 



plioc;cuoidcs 114 



Phoca'na 117 



communis 118 



spinipiunis 122 



Page. 



9 

 12 

 12 



151 

 152 



S)/nop- 

 sis. 

 Pago. 



165 

 IGli 

 167 

 167 

 168 

 168 

 1G9 

 170 

 173 

 170 

 171 

 171 

 172 

 173 

 174 

 174 

 175 

 175 

 175 

 176 

 176 

 177 

 177 

 17H 

 178 

 178 

 179 

 179 

 180 



