242 DR. J. E. GRAY ON BRITISH CETACEA, [May 24, 
Diodon sowerbai, Bell, Brit. Quad. 497. fig. 
Diodon sowerbi, Jardine, Whales, 192. f. 13. 
Female. Mesoplodon sowerbiensis, Gervais, Zool. et Paléont. Franc. 
t. 40. f.1; Van Beneden, Mém. Acad. Brux. xvi. t. 4. 
Dauphin de Dale, Blainy. N. Bull. Soc. Phil. 1825, p.139; F. Cuv. 
Mam. Lithog. t. 
Mesiodon micropterus, Duvernoy, l. c. 55, t. 2. f. 3. 
Nodus dalei, Wagler, N. S. Amph. 34. 
Delphinorhynchus micropterus, Dumortier, Mém. Acad. Brux. 
1839, xii. t.. 13; F. Guy. Cétac. 114, t. 9. f. 1,4. 73) Gray, Cat. 
Cetac. 73. 
Delphinus micropterus, Cuv. Régn. Anim. i. 288; Schlegel, De 
Dieren, 93, t. 17. 
Heterodon dalei, Lesson, Man. Mam. 419. 
Anodon dalei, Lesson, Ouvr. Buffon, i. 155, t. 3. f. 1. 
Hab. Male, Elginshire (Brodie, 1800); skull in Museum at Ox- 
ford; castsin many museums. Female, Havre, 9 Sept. 1825 (Blainv.) ; 
mouth of the Orne, Calvados, 1828 ; head, Mus. Faculty of Sciences, 
Caen. Ostend, 1835 (Dumortier) ; skeleton in Museum at Ostend ; 
and head, Mus. Paris. 
In my paper ‘On the British Cetacea,”’ in the ‘ Annals of Nat. 
Hist.’ xvii. 82, 1846, I proposed to unite Physeter bidens of Sowerby 
with Delphinus micropterus of Cuvier. The French naturalists have 
since almost universally come to the same conclusion. ‘The differ- 
ence in the size of the teeth, which they believe to be sexual, at one 
time made me revise my first opinion. I now think it probable that 
they are the same; at any rate it is a subject that wants further 
examination, for at present only one male and two females of the 
two presumed species have been observed by naturalists. 
The male was found near Brodie House, Elginshire, by James 
Brodie, who sent a figure and the skull to Mr. Sowerby, who figured 
it in the ‘ British Miscellany’ under the above name. It was 16 feet 
long. 
Dr. Fleming and Mr. Jenyns have most oddly confounded it with 
the Bottlehead of Dale (Hyperoodon bidens) (see Brit. Anim. p. 36, 
and Manual B. V. A. p. 44). 
In the Mediterranean there is a species belonging to this tribe, 
which has been noticed under several names. It forms a genus, 
which may be named Atrama. The head is conical, tapering ; 
upper jaw toothless; the lower jaw rather the largest, bent up at the 
top, with two large conical teeth in front, and sometimes a few small 
ones on the side just behind them. Dorsal fin falcate, three-fourths 
the entire length from the nose. 
ALIAMA DESMARESTII. | 
Delphinus desmarestii, Risso, Eur. Mérid. iii. 24, t. 2. f. 3; F. 
Cuv. Cétac. 19. 
Epiodon desmarestii, Bonap. 
Diodon desmarestii, Lesson. 
Orca desmarestii, Wagler. 
