152 DELPHINID#.—-MONODON. 
Tho Beaxep Hypsroopon. Hyperoodon rostratum. 
Hyperoodon, Cuv., Oss. Foss. v. p. 822. tab. 24. figs. 19, 21 (skull).— 
F. Cuv., Cétacés, pl. 9. figs. 1-3 (skull), 1836. 
Hyperoodon bidens, Owen, Odont. p. 347. tr 88. fig. 1 (end of the 
upper jaw of the young, showing the teeth). 
a. Skeleton. ; 
b. A portion of a very young skeleton. \ Whitstable, Kent. 
BERARDIUS. 
Berardius arnuxii. 
Duvernoy, Ann. Sci. Nat. 1851, p. 51. tab. 
ZIPHIUS. 
Ziphius sowerbiensis. 
Gray, Zool. Erebus and Terror, slg 3,4, cop. from Blaine. draw- 
ing, p. 53. tab. (skull); Cat. Mamm. Brit. Mus. pt. i. Cetacea, pl. 3. 
fig. 2 (skull). 
a. Plaster cast of the skull described by Sowerby. Presented by 
Dr. Acland. 
DELPHINORHYNCHUS. 
Brarnvitie’s Wate. Delphinorhynchus micropterus. 
Dumortier, Mém. Acad. Brux. xii. tab. 2 (skeleton).—F. Cuv., Cétacés, 
p. 114, tab. 7 (skull). 
a. Plaster cast of skull. Presented by Professor Van der Hoeven. 
* 
MONODON. 
The NarwHat. Monodon monoceros. 
Camper, Cet. tab. 29, 31 (skull).—Home, Lect. Comp. Anat. tab. 42. 
fig. 1—Cur., Oss. Foss. v. tab. 22. fig. 7D’ Alton, Vergl. Osteol. 
no. ix. pl. 6 (skeleton), no. x. pl. 5 vg eure Enc. Méth. pl. 
skull with two tusks), 1809.— Albers, Icon. Anat. Comp. pls. 2, 3 
(al with two tusks).—Bijdragen tot de Dierkunde, p.21. pl. . 
fig. 1 (skull with one tusk), fig. 2 (with two tusks), 1848.— Owen, 
Odontology, Art. in Encycl. Brit. p. 444. fig. 62 (skulls of male and 
female).—F. Cuv., Cétacés, pl. 17. fig. 3 (skull), 1836. 
Cervical vertebre.... 0... ees eeeeeeeeee 7 
MOI Say fae Fae fc flea bk 9 se Bie aoe sae eG NS 11 
Lumbar and Caudal.................... 33 
a. The tooth. North Sea. 
6. Skull: female: not in good state. North Sea. 
c. Skeleton. 
