[715] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 421 



RADIATA. 



ECHINODERMATA. 



HOLOTHURIOIDEA. 



THYONE BRIAREUS Selenka. (p. 362.) 



Zeitschrift fiir Wissenschaftliche Zoologie, vol. xvii, p. 353, 1867. Holothuria 

 J3riareu8~Lesn&nr, Journ. Acad. Nat. Sciences, Philadelphia, ser. i, vol. iv, p. 161, 

 1824. Sclerodactyla Briareus Ayres, Proc. Boston Soc. Nat. Hist., vol. iv, pp. 6, 

 7, 101-3, 1851 ; Verrill, Proc. Boston Soc. Nat. Hist., vol. x, p. 342, 1866. Ana 

 perus Bryareus Pourtales, Proceedings American Assoc. for Adv. of Science, for 

 1851, p. 10, 1852. Anaperus Carolinus Troschel, Miiller s Arch, fiir Auat., 1846, p. 

 62 ; Pourtales, op. cit., p. 10. 



Texas to Cape God. Long Island Sound, at West Haven, Connecti 

 cut, Thimble Islands, etc., not common ; Vineyard Sound and Buzzard s 

 Bay, 1 to 10 fathoms, not uncommon; Gardiner s Bay, Long Island; 

 Great Egg Harbor, New Jersey; Fort Macon, North Carolina, common 

 (coll. Dr. Yarrow) ; West Florida (coll. E. Jewett). 



STEREODERMA UNISEMITA Ayres. (p. 503.) 



Proc. Boston Soc. Nat. Hist., vol. iv, p. 46, 1851 ; Selenka, op. cit., p. 344, Plate 

 19, figs. 96, 97. Anaperus unisemita Stimpson, Proc. Boston Soc. Nat. Hist., vol. 

 iv, p. 8, 1851 ; Verrill, op. cit., vol. x, p. 357, 1866. Cucunmria fusiformis Desor, 

 Proc. Boston- Soc. Nat. Hist., vol. iii, p. 67 (non Forbes). 



Off Martha s Vineyard, 22 fathoms, sand ; Banks of Newfoundland 

 (Stimpson). South Shoals of Nantucket, 22 fathoms, (Desor). 



PENTAMERA PULCHERRIMA Ayres. (p. 420.) 



Proc. Boston Soc. Nat. Hist., vol. iv, p. 207, 1852; Selenka, op. cit., p. 346. 

 South Carolina to Vineyard Sound. Off Holmes s Hole, 4 to 5 fathoms ; 

 Nobsca Beach, after storms, abundant ; Fort Macou, North Carolina 

 (coll. Dr. Yarrow). Fort Johnson, South Carolina (Stimpsou). 



? MOLPADIA OOLITICA Selenka. (p. 510.) 



Op. cit., p. 257 (in part), 1867. Chirodota oolitica Pourtales, Proc. Amer. Assoc. 

 for 1851, p. 13, 1852. E nib ol us pauper Selenka, op. cit., p. 359, Plate 20, fig. 132 

 1867. 



Off Block Island, 29 fathoms, sandy mud : off Boon Island, 95 fathoms, 

 muddy, (A. S. Packard). Massachusetts Bay, in fish stomachs, (Pour- 

 tales). Selenka gives &quot; Cape Palmas (!) &quot; as the locality for his &quot; Em 

 balm pauper? which was based on specimens sent from the Museum of 

 Comparative Zoology perhaps the original ones described by Pour- 

 tales ; the locality given is evidently erroneous. 



The single specimen from off Block Island is small and imperfect, and 

 may not be this species. 



CAUDINA ARENATA Stimpson. (p. 362.) 



Marine Invert, of Grand Manan, p. 17, 1853 ; Selenka, op. cit., p. 358, Plate 20, 

 figs. 129-131 ; Clark, Mind in Nature, p. 187, figs. 114-116; A. and E. C. Agassiz. 



