SYSTEMATIC INDEX. 



II. IIyperoodon, Lacep. 



I. rostratus (Mlill.) 



III. Mesoplodon, Gerv. 



I. bidens (Sowerby) 



IV. ZiPHius, Cuv. 



I. cavirostris, Cuv. 



FAMILY DELPHINID^ 



I. MONODON, L 



I. monoceros, L. ... 



II. Delphinapterus, I/acep. 



I. leucas (Pall.) 



III. Phoc^na, Cuv. 



1. communis, Less. 



IV. Orca, Gray 



I. gladiator (Bonn.) 



V. Globicephalus, Less. 



I. melas (Traill.) ... 



VI. Grampus, Gray 



I. griseus (Cuv.) ... 



VII. Lagenorhynchus, Gray . 



1. albirostris (Gray) 



2. acutus (Gray) 



VIII. Delphinus, L. 

 I. delphis, L. 



IX. TuRSlOPS, Gerv. 



I. tursio (Bonn.) 



THE ANCIENT MAMMALS OF BRITAIN 



I. The Cavern and Brick-earth Period ... 



II. The Forest-bed and Crag Periods 



III. The Lower Tertiary Period 



