334 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM, 



Scissurella crispata FlemiDg. 



A single specimen was fonml by Mr. Dall in tbe apertnre of a i)f«r- 

 f/arita, irom off Martha's Vineyard, 238 to 305 fathoms. Gulf of St. 

 Lawrence, — Dawson. 



CocciiVnia Beanii D.all. 



Tliia volume, p. 403. 

 Acmoa rubella f Verrill, Proc. Nat. Mus., iii, p. 391, 1680 {iion Fabr., Sars). 



Socculina Rathbuni Dall. 



This volume, p. 403. 



Off Martha's Vineyard, 100 to 365 fathoms. Several living young 

 specimens were taken at station 997, in 335 fathoms. Mr. Dall, in a re- 

 cent letter, informs me that he has received the same species from Mr. 

 Jeffreys, taken by the "Porcui^ine" expedition, off' the European coast. 

 West Indies, 399 to 502i fathoms (t. Dall). 



Off Martha's Vineyard, 500 fathoms. West Indies, 399 and 502^ 

 fathoms (t. Dall). 



Addisonia paradoxa Dall. 



This volume, p. 405. 



Off Martha's Vineyard, 69 to 130 fathoms, 1881. 



Mr. Dall has recently informed me that he has received from Mr. Jef- 

 freys a shell belonging to this genus, and perhaps identical with this 

 si)ecies, judging from the shell only. Mr. Jeffreys identifies the shell 

 referred to with Gadinia excentrica Tiberi. 



POLYPLACOPHORA. 



CJitPiopleura apiculata (Say) Carpenter. 



Chiton apiculatus Say; Gould, Invert. Mass., ed. ii, p. 258, fig. 522. 



Off Martha's Vineyard, station 938, in 310 fathoms. One young spec- 

 imen. Common in shallow water. Possibly the apparent occurrence in 

 deep water was due to the accidental lodgment of the sj)ecimen in the 

 seive, from some previous dredging. 



GYMNOGLOSSA. 



Stilifer Stimpsonii Verrill, 1872. 



A living specimen of this species occurred at station 1028, in 410 ftith- 

 oms, 1881. In 1880 it was taken in considerable numbers at stations 

 814, 823, 824, in 13 to 27 fathoms, off Block Island. These were living 

 on the upper surface of the common sea-urchin {Strongyloccntrotus Dro- 

 hachiensls). New Jersey to Nova Scotia! 



Stilifer curtus Verrill. 



Trans. Conn. Acad., v, p. 535, July, 1882. 

 Shell broader than high, with a very low spire, nearly concealed by 

 the ventricose body- whorl, which nearly envelopes the preceding whorlsj 



