CETACEA. 99 
_ University of Edinburgh. The first, second and third cervical 
9 eortebre: are united by the spimous processes, the second and rest 
are thin. The peate smooth, not grooved. Length of skull, 
152 inches ; of nose, 73; of lower jaw, 10 inches. Width of skull 
Dat notch, 82; at orbit, 8; at middle of beak, 3 inches. Nose of 
_ skull twice as long as the width at notch. Intermaxillars narr owed 
_ infront; the skull has two large foramina on the flat part of the 
_,temple on each side, instead of the single one in the skull from 
~~ Christiania. 
tt Beak moderate ; nose of skull only as long as head ; teeth 
not quite to the notch. 
_ 2. LAGENORHYNCHUS ALBIROSTRIS. WHITE-BEAKED 
BorrLeE-NOSE. 
_. Upper part and sides very rich deep-velvet black; external 
_ cuticle soft and silky, so thin and delicate as to be easily rubbed 
_ off; nose, a well-defined line above upper jaw, the whole under 
_ jaw and belly ep eee varied with chalky white; fins and 
_ tail black; teeth 23, small, curved; jaws moderately elongate, 
ower rather the longest ; blow- hole horseshoe- shaped and con- 
_ vex towards the head; nose of skull as long as the head cavity, 
_ gradually and evenly tapering to a rather rounded point in front, 
- the edge rather reflexed on each side behind ; the triangle in front 
_ of the ‘blower convex and swollen on each side behind, smooth in 
_ front. 
_ Delphinus Tursio, Brightwell, Ann. Nat. Hist. 1846, 21. t.1¢. 
_ Delphinus albirostris, Gray, Ann. & Mag. N. H. 1846. 
_ Lagenorhynchus albirostris, Gray, Zool. Erebus and Terror, t.10, 
- _ animal, from Brightwell’s drawing t. 11, skull, 1846. 
_ Delphimus pseudotursio, Reichenb. Cetac. t.24. f.7, 6 cop. Bright- 
m well. 
_ Delphinus Ibsenii, Eschricht, Undersdgelser over Hvaldyrene 5te 
_  Afh.73; och d. Ss. foredrag vid Natuforsk. métet. i Képenh. 
1847; Nilsson, Skand. Fauna, 1. 600. 
_ Inhab. North Sea, coast of Norfolk, Brightwell, 1846. 
_. @. Skeleton. Yarmouth. Skull figured in Voyage of H.M.S. 
_ Erebus and Terror, tab. 11. p. 35. Mr. Brightwell’s specimen. 
6. Stuffed skin of a. Yarmouth. 
c. Skeleton. England? Mr. Stevens’s Collection. 
Measurements of specimen from Yarmouth :— 
in. lin. 
Animal: Length, entire ............ (2) 
ais nO ROB, ii chdscjct a. danse 9 6 
Ss: (OL MORE te: Cyey's/'< 6 s's 126.38 
