CETACEA. 99 



University of Edinburgh. The first, second and third cervical 

 vertebrae are united by the spinous processes, the second and rest 

 are thin. The palate smooth, not grooved. Length of skull, 

 15 inches ; of nose, 7l ; of lower jaw, 10 inches. Width of skull 

 at notch, 8| ; at orbit, 8 ; at middle of beak, 3 inches. Nose of 

 skull twice as long as the width at notch. Intermaxillars narrowed 

 in front ; 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. 



ft Beak moderate ; nose of skull only as long as head ; teeth 

 not quite to the notch. 



2. LAGENORHYNCHUS ALBIROSTRIS. WHITE-BEAKED 

 BOTTLE-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 cream-colour, varied with chalky white; fins and 

 tail black; teeth ff, small, curved; jaws moderately elongate, 

 lower 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. fy Mag. N. H. 1846. 

 Lagenorhynchus albirostris, Gray, Zool. Erebus and Terror, t.10, 



animal, from Brightwell's drawing t. 11, skull, 1846. 

 Delphinus pseudotursio, Reichenb. Cetac. t.24. f. 7, 6 cop. Bright- 



well. 

 Delphinus Ibsenii, Eschricht, Under sogelser over Hvaldyrene 5te 



Afh. 73 ; och d. Ss.fb'redrag vid Natuforsk. motet, i Kb'penh. 



1847 ; Nilsson, Skand. Fauna, i. 600. 

 Inhab. North Sea, coast of Norfolk, Brightwell, 1846. 



a. Skeleton. Yarmouth. Skull figured in Voyage of H.M.S. 

 Erebus and Terror, tab. 11. p. 35. Mr. BrightwelFs specimen. 



b. Stuffed skin of a. Yarmouth. 



c. Skeleton. England ? Mr. Stevens's Collection. 

 Measurements of specimen from Yarmouth : 



in. lin. 



Animal : Length, entire (?) 



of mouth 9 6 



of nose to eye 13 



E2 



