3362 



The Zoologist — January, 1873. 



1. EscJirichllus rohustus (Giaso Whale). Inhabits Norlh Sea. 

 Skeleton found buried in Denmark (Lillejeborg). Coast of Devon- 

 shire (fifth vertebra cast ashore, Babbicomb Bay, 1861); Pengelly 

 (cast in Brit. Mus.). Not observed in a living state, and may be 

 extinct, like several other whales the remains of which are found 

 in the alluvian deposits of Holland and Belgium. 



Family II. Physalid.e (Finner Whales). — Dorsal fin high, erect, 

 compressed, falcate, about three-fourths of the entire length from 

 the nose. Pectoral fin moderate, with four short fingers of four or 

 six phalanges. Vertebrae 55 or 64. Cervical vertebrae not anchy- 

 losed. Neural canal oblong transverse. 



* Vertebra GO to 64. First rib single ended. 

 ? i. Benedenia, — Rostrum of skull narrow, attenuated, with 

 straight slanting edges. Second cervical vertebra with two short 

 truncated lateral processes. The first rib single-headed. 



Benedenia Knoxh (skull in the British Museum). 



1. Benedenia Knoxii. Inhabits North Sea. Coast of Wales 

 (1846, 38 feet long); perhaps the young of Balacnoplera Antiquorum, 

 as I first described it. 



ii. Physalus. — Rostrum of the skull narrow, attenuated, with 

 straight sloping sides. Second cervical vertebra with a broad lateral 

 process, with a large perforation at the base. Lateral rings as long 

 as the diameter of the body of the vertebra. First rib single-headed. 

 Sternum trifoliate, with a long slender hind process. Fingers 

 shorter than the fore-arm bones. Scapula very broad ; acromion 

 and coracoid process well developed. 



