354 | THE ATLANTIC. (CHAP. Vv. 
site the apex, a little farther forward than the centre of the 
oral surface of the test. The mouth is surrounded by a ring 
of large oral tentacles. The body is sparsely clothed with fine 
silky bristles, interspersed with larger paddle-shaped spines. 
(No. 45.) 
Four times the natural size. 
Fig. 99.—A érope rostrata, Wy VILLE THOMSON. 
The temperature both of the air and of the sea was consider- 
ably lower than on the previous day. The distance from Sandy 
Hook was 189 miles at noon. The following day we altered 
