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SYNOPSIS 



OF THE 



SPECIES OF WHALES AND DOLPHINS. 



CETACEA. 



Teeth all similar, conical, sometimes not devoloped. 

 Palate often furnished with transverse plates of baleen or 

 whalebone. Body fish-shaped, smooth, bald. Limbs 

 clawless ; fore limbs fin-shaped ; hinder united, forming a 

 forked horizontal fin. Nostrils enlarged into blowers. 

 Teats two, inguinal. Carnivorous. 



Section I. MYSTICETE, Gray, Cat. Seals $ Whales 



B. M. 62, 68. 



(Mystacocete or Balcenoidea, Flower, Trans. Z. S. vi. 110.) 



Head large, depressed. Teeth rudimentary; they never 

 cut the gums. Palate with transverse, fringed, horny 

 plates of baleen. Nostrils separate, longitudinal. Gul- 

 let very contracted. Tympanic bones simple, large, 

 cochleate, attached to an expanded periotic bone, which 

 forms part of the skull. 



Suborder I. BALffiNOIDEA. 



Belly smooth. Head very large. Baleen elongate. Dor- 

 sal fin none. 



Family I. BAL^NID^, Gray, Cat. Seals $ Whales 

 B. M. 61, 75 ; Lilljeborg, N. Acta Upsal. 1867, vi. 



Dorsal fin none. Belly smooth. Baleen elongate, slender. 

 Vertebrae of the neck anchylosed. Pectoral fin 

 broad, truncated at the end ; fingers five. Tympanic 

 bones rhombic ; maxillary bones narrow. 



I. Baleen thin, polished, with a thick enamel on each side, 

 and a fine elongate slender fringe. 



I. Baljna, Gray, I. c. 79; Lilljeborg, N. Acta Upsal. 

 vi. 1867. 



First rib slender, narrow, and undivided at the vertebral 



end. Tympanic bones square ; aperture nearly as long as 

 the bone. The upper and lower lateral processes of the 

 atlas vertebra obliquely truncated. 



1 . Balaena mysticetus (T. 1 . f. 4, baleen), Linn 

 I. c. 81, figs. 1, 2,4, 5. Hob. North Sea. 



Gray, 



2. Balaena marginata (T. 1. f. 1, baleen), Gray I. c. 

 90. Hab. Western Australia : a very small species. 



II. Baleen thick, not polished, with a thin enamel coat on 

 each side, and a coarse thick fringe. 



II. Eubal/Ena, Gray,'!, c. 91; Lilljeborg, N. Acta 

 Upsal. vi. 1867. 



First rib broad at the vertebral end. Tympanic bone 

 square ; aperture nearly as long as the bone. 



1. Eubalaena australis, Gray, I. c. 91, fig. 6. Balsena 

 australis, Cuv. Oss. Foss. v. t. 25-27. (B. capensis, T. 1. 

 f. 3, baleen). Hab. Cape of Good Hope. 



2. Eubalaena Sieboldii (T. 1. f. 2, baleen), Gray, I.e. 

 96. (Balaena japonica, Gray, T. 1. f. 2, baleen.) B. aus- 

 tralis, Temm. F. Japan, t. 28, 29. Hab. Japan. 



See E. cisarctica, Cope, Journ. Acad. N. S. Philad. 1865, 

 p. 168. 



III. Hunteritjs, Gray, I. c. 78, 98 ; Lilljeborg, N. Acta 

 Upsal. vi. 1867. 



First rib broad, with a double head at the vertebral end. 

 Tympanic bones square; aperture nearly as long as the 

 bone. 



1 . Hunterius Temminckii, Gray, I. c. 98, fig. 8. Ba- 

 laena australis, Temm. F. Japon. t. 28, 29. Hab. Cape 

 of Good Hope. 



2. Hunterius Swedenborgii, Lilljeborg, N. Acta A. 

 Set. Upsal. vi. (1867,) 35, t. 9, 10, 11 (skeleton). Hab. 

 North Sea, Sweden (subfossil). 



