CONTENTS. 



The Grey Porpoise. 



P. Giiseus. Plate XXI. 

 The Striped Porpoise. 



PloccBiia Bivittatiis Plate XXII. Fig. 1. 

 Thirteenth Genus. — Delphixus 

 The Common Dolpliin. 



Ddpliinus Communis. Plate XXIII. 

 Pemetty's Dolphin. 



D. Pemetti. Plate XXIV. 

 The Lead-coloured Dolphin. 



D. Plumheus. Plate XXV. Fig. 1. 

 The Bridled Dolphin. 



D. FrcBTiatus. Plate XXV. Fig. 2. 

 Dolphin Vv-ith white mark over the Eye 



Delphinus Superciliosus. Plate XXVI, 

 The Funenas of the Chilians. 



D. Lunatus. Plate XXII. Fig. 2. 

 Delphinus Youngii (Fossile) 



Fourteenth Genus Delphinoriiyncus 



Delphinorhyncus of Breda. 



D. Bredanensis. Plate XXVII. 

 Fifteenth Genus. — Soosoo 

 Soosoo of the Ganges. 



S. Gangeticus Plate XXVIII. 

 The Soosoo of M. De Borda (Fossile). 



S. Bordaii .... 



Sixteenth Genus Inia 



I. of Bolivia. 



/. Boliviensis. Plate XXIX. 



Seventeenth Genus Oxypterus . 



Rhinoceros Whale. 



Oocyptcrus Rhinoceros 



Portrait of M. Le Comte de Lacepede 

 Vignette, Title Page 



lu all, Thirty-Two Plates in this Volume, 



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