208 GEOGRAPHICAL ZOOLOGY. [part iv. 



arctic and antarctic families. The spermaceti whale {Catodon 

 macrocephalus) abounds in the Pacific Ocean and in the deep 

 Moluccan Sea, and also in tlie Indian Ocean and the Mozam- 

 bique Channel. In the Atlantic it is scarce, although it occa- 

 sionally comes north as far as our shores. 



The genera of Catodontidae as given by Dr. Gray are, Oatodon 

 (2 species ?), Warm Eastern Oceans ; Fhyseter (1 species), " the 

 black fish," North Sea ; Cogia (2 species), South Temperate 

 Oceans ; Ewphysctes (1 species). Coast of Australia. 



Fa»iily 39.— HYPEEOODONTID^. (9 Genera or Sub-Genera, 



12 Species.) 



General Distribution. — Atlantic, Mediterranean, Indian Ocean, and Southern 



Ocean. 



This family consists of the beaked whales, which have no per- 

 manent teeth in the upper jaw. The genera, according to Dr. Gray, 

 are, Hyperoodon (2 species) " bottle-nosed whales," North Sea ; 

 Lagcnoceius (1 species). North Sea ; E2nodon (2 species). North 

 and South Atlantic; Petrorhynchus (2 species), Mediterranean 

 Sea and Southern Ocean ; Berardius (1 species). New Zealand ; 

 Xiphms (1 species) North Atlantic ; DoIicJiodon (1 species). Cape 

 of Good Hope ; Neozip)hius (1 species) Mediterranean ; Dioplo- 

 don (1 species), Indian Ocean. 



Family 40.— MONODONTID^. (1 Genus, 1 Species.) 



The " Narwhal " {Monodon monoceros) which constitutes this 

 family, is placed by Dr. Gray along with the " white whales," in 

 his family Belugidse. It inhabits the North Sea. 



Family 41.— DELPHINID^. (24 Genera or Sub-Genera, 

 100 Species.) 



General Distribution. — All Oceans, Seas, and Great Eivers of the globe. 



This family, including the Porpoises, Dolphins, White Whales, 

 &c., may be described as small, fish-shaped whales, having teeth 



