THE BRITISH MAMMALS PAST AND PRESENT. 97 



60. Hyperoodon rostratus (Red Crag and Existent), 



Bottlenose Whale. 

 Choneziphius packardi (Red Crag). 

 Choneziphius planirostris (Red Crag). 

 Choneziphius planus (Red Crag). 



61. Mesoplodon bidens (Existent), Sowerby's Whale. 

 Mesoplodon floweri (Red Crag). 

 Mesoplodon longirostris (Red Crag). 

 Mesoplodon tenuirostris (Red Crag). 

 Mesoplodon gibbus (Red Crag). 

 Mesoplodon angustus (Red Crag). 

 Mesoplodon angulatus (Red Crag). 

 Mesoplodon compressus (Red Crag). 



62. Ziphius cavirostris (Existent), Cuvier's Whale. 



SQUALODONTID&. 



Squalodon antwerpiensis (Red Crag). 



DELPHINIDM. 



63. Monodon monoceros (Forest Bed and Existent), 



Narwhal. 



64. Delphinapterus leucas (Existent), White Whale. 



65. Phocaena communis (Forest Bed and Existent), 



Porpoise. 



66. Orca gladiator (Existent), Killer. 

 Orca citoniensis (Red Crag). 

 Pseudorca crassidens (Prehistoric). 



67. Globicephaliis melas (Pleistocene and Existent), 



Pilot Whale. 

 Globicephalus uncidens (Red Crag). 



68. Grampus griseus (Existent), Risso's Grampus. 



69. Lagenorhynchus albirostris (Existent), White-beaked 



Dolphin. 



70. Lagenorhynchus acutus (Existent), White-sided 



Dolphin. 



71. Delphinus delphis (Forest Bed and Existent), 



Common Dolphin. 



72. Tursiops tursio (Pleistocene and Existent), Bottle - 



nose Dolphin. 



