AGAPHELUS BALAENOPTERA. II 



8. Agiiplielus. 



Agaphelus. Cope, Proc. Acad. Nat. Scien. I'hil., iS6.s. p. 223. Type 



B. gib/'osus, Erxl. 



" Fingers four, elongate, cervical vertebra', lumbar and anterior 

 caudal vertebra longer than their greatest diameter. Dorsal fin 

 wanting. Gular and pectoral region without folds. Scapula with 

 well-developed acromion and coracoid. Baleen narrow, short." 



13. gibbosus. (Ba/cFHii), Erxleb. S\st. Regn. .\nim. Mamm,, 1777, 



p. 610. 



rostrata. Cope, Proc. Acad. Nat. Scien. Phil., 1S67, p. 147, 

 (Part). 



Geogr. Distr. North .\tlantic Ocean, south on North American 

 coast to New Jersey. 



Genl. Char. Mandibular ramus triangular in section with an 

 inferior angulated ridge and a broad slightly concave face. Lamina 

 tliin, each one having two others supplementary to it, bristles of 

 these last longer and finer; ulna slender with a prominent rounded 

 and flattened olecranon prolonged into a thin cartilaginous plate in 

 the plane of the ulna. 



Color. Above black, beneath white; sides lead color with longi- 

 tudinal shades of blackish. Fins, basal half, white, remainder black. 

 Baleen creamy white, shaded with purple near the center of the base. 



yfeasuri-nitnts. Young about 43 feet. 



Sub. Fam. I. Balaenopteriuae. 

 9. Balaenoptera. 



Balaenoptera. Lacep. Hist. Nat. C^t., 1SC4, p. .\.\xvi. Type B. gib- 

 bar. Desm. 



Fliysalus. Lacep. Hist, des C^tac. , 1S26, p. 37. 



Bettedenia. Gray, Proc. Zool. Soc, 1864, p. 211. 



Sibbaldus. Gray, Proc. Zool. Soc, 1864, p. 222. 



Sibbaldius. Flower, Proc. Zool. Soc, 1864, p. 391. 



Cuvicrius. Gray, Cat. Seals and Whales, 1866, p. 164. 



Head small, flat, pointed, body elongate; baleen short, broad; 

 pectoral small, narrow, pointed; dorsal small, falcate: cervical ver- 

 tebra- free; skin of throat wrinkled. 



14. acuto-rostrata. (Balienoptera), Lacep. Ann. Hist. Nat. Cetac , 



xii, V. I, 1803-4, p. 197, pi. 8. 

 rostrata, Miill. Zool. Dan. Prodr., 1776, p. 7. 

 minor, Knox. Journ. Inst., 1834, p. 336. 

 mondini, Capell. Mem. Acad. Bologn., 1877, vii, pi. 1-4. 



