Botany and Zoology. 411 
of the Gulf Stream, about 5 miles §.8.W. of Sand Key, in depths 
varying from 90 to 100 fathoms, on a bottom of calcareous mud. 
: : ; mab te 
The following list comprises the animals obtained : 
A number of s 
* 7) a. 
The tubes of severe species .of Annelids were obtained, but 
the animals were in most cases too defective for identification. 
The largest and best preserved is Morphysa floridana, nov. sp. 
oe mt There are also tubes of one or more species of 
rpula, 
very common in deep-sea soundings. The _are repre- 
sented by Vincularia margaritacea, nov. sp. (see description). 
Radiata.—Of Echinoderms were obtained an Ophiurian bn 
arm, undetermined) and a number of specimens of Comatula Ha- 
genii, nov. sp. (see description). i 
A Zoanthus, rather small, was obtained also, but not having 
been noticed when alive, it would be somewhat uncertain to de- 
ermine 
_ Hydroids : Antennularia triseriata, nov. Sp. 5 Thoa pulchella, 
nov. sp.; Zh. capillaris, nov. sp. (see descriptions). 
The Hokriinitors had malty: “it been washed out of the dredge ; 
only the following were noticed: Textilaria conica D’O. (verylarge) : 
perculina (Spirillina) incerta D’O.; Rotalina eultrata D O:; 
aad Globigerina rubra D’O. ; : 
The total for this locality is therefore twenty-nine species, to 
: few ought to be added for the undetermined fragments of 
Nnelids, 
An 
No dredgings were had in mid-channel; this part has been re- 
_ Served for the return trip, but the unfortunate interruption of the 
mise prevented the execution of — st ee ae np 
; avana in 270 fathoms | 
e. 
: The results of the two casts are combined below :— 
