i ) 198 CARNIVORA. 
46000. Fragment of the distal portion of the tusk; from the Red 
(Fig.) Crag of Suffolk. This specimen is the type, and is 
described and figured by Lankester in the Quart. Journ. 
Geol. Soc. vol. xxi. p. 226, pl. x. figs. 1, 5, 6. 
Purchased, 1874. 
40135. Fragment of the basal portion of a very large tusk; probably 
from the same locality. Purchased, 1866. 
44208. Terminal portion of a crushed tusk; from the Red Crag of 
Suffolk. Purchased, 1873. 
| 43175. Fragment of a tusk ; from the Red Crag of Suffolk. 
: Wetherell Collection. Purchased, 1871. 
46921. Portion of a tusk, cut and polished; from the Red Crag, 
near Woodbridge, Suffolk. Purchased, 1875. 
40136. Transverse section of a tusk; from the Red Crag, near 
Woodbridge. Purchased, 1866. 
44629. Transverse section of a tusk; from the Red Crag, near 
Felixstow, Essex. : Purchased, 1873. 
43394. Cast of the basal portion of a tusk of a large male. The 
original (from the Red Crag of Suffolk) is figured by 
Lankester in the Quart. Journ. Geol. Soc. vol. xxi. pl. x. 
fig. 3, and in the Trans. Linn. Soc. ser. 2, Zool. vol. ii. 
pl. xxi. fig. 3; it is now in the York Museum. 
Purchased, 1872. 
43395. Cast of the extremity of a tusk, much compressed laterally. 
The original (from the Red Crag of Suffolk) is figured by 
Lankester in the Quart. Journ. Geol. Soc. vol. xxi. pl. x. 
fig. 2, and in the Trans. Linn. Soc. ser. 2, Zool. vol. ii. 
pl. xxii. fig. 4; it is now in the Ipswich Museum. 
Purchased, 1872. 
Genus ALACHTHERIUM, De Bus’. 
Alachtherium cretsi, De Bus’. 
Hab. Europe. 
As mentioned above, this species is identified by Van Beneden 
with Trichechus (Trichechodon) hualeyi; but this cannot be con- 
sidered certain. If the two are really the same, the name huxleyi 
has the priority ; and if generically distinct from Z’richechus it seems 
1 Bull. Ac. R. Belg. ser. 2, vol. xxiv. p. 562 (1867). 4 Toe, ei, 
yy ee 
