[627] INVKKTEIJKATK ANIMALS OF VINEYABD SOUND, i:i 



naked space less llian their own length ; the distance from the anterior 

 end of the middle fins to the anterior border of the head is e<jiial t> 

 twice the length of the. fins; the, length of the latter is about one sixth 

 of the entire length of the body. The color is translucent whitish, 

 nearly diaphanous. 



Length, about 1C" 11 "; diameter, about 0.9""". 



Wood's Hole and Vineyard Sound, at surface, July 1 j off Gay Head, 

 among Satycv, September 8, in the day-time. 



SAGITTA, species undetermined, (p. 440.) 



A much larger and stouter species than the preceding was taken in 

 abundance by Mr. Vinal N. Edwards, in Vineyard Sound; at various 

 dates, from January to May. 



Its length is generally 25 mm to 30 mm . I have not seen it living. 



GEPHYREA or SIPUNCULOIDS. 



PHASCOLOSOMA CLEMENT ARIUM. Verrill Plate XVIII, fig. 02. (p. 41G.) 



Sipunculus ccementarius Quatrefages, op. cit., vol. ii, p. 628, 1865. Phascolosoma 

 Bernhardus Pourtales, Proceedings American Association for Advancement of 

 Science for 1851, p. 41, 1852. Sipimculus Bernliardm Stimpsou, Invertebrata of 

 Gj-and Manau, p. 28 (non Forbes.) 



Deeper parts of Vineyard Sound, 10 to 15 fathoms ; off Block Island, 

 29 fathoms; Bay of Fuudy, 2 to 90 fathoms, abundant; near Saint 

 George's Bank, 45 to 430 fathoms. 



PHASCOLOSOMA, species undetermined, (p. 353.) 



A species similar to the last in size and form, with a thick integu- 

 ment, thickly covered throughout with small rounded papillae or granules, 

 but without the dark chitinous hooks seen on the posterior part of the 

 latter. 



Vineyard Sound. 



PHASCOLOSOMA GOULDII Diesing. Plate XVIII, fig. 93. (p. 353.) 



Revision der Rhyngodeen, op. cit., p. 764, 1859. Sipunculus Gouldii Pourtalrs. 

 Proceedings of American Association for the Advancement of Science for 

 1851, vol. v, p. 40, 1852 ; Keferstein, Zeits'chrift fur wissenschaftliche Zoologie, 

 vol. xv, p. 434, Plate 33, fig. 32, 1865, and vol. xvii, p. 54, 1867. 



New Haven to Massachusetts Bay, at Chelsea Beach ; common in 

 sand and gravel at low-water mark. 



SCOLECIDA. 



TUEBELLAEIA. 



RHABDOCCELA or XEMEKTEANS. 



BA.LANOGLOSSUS AURANTIACUS Verrill. (p. 351.) 



Stimpsonia aurantiaca Girard, Proceedings Academy of Natural Sciriirts <>t Phila- 



delphia, vol. vi, p. 367, 1854. Balanoglossns Koimln^m A. Agassi/. Memoirs 

 American Academy of Arts and Sciences, vol. ix, p. 421, Plates 1-3, 1 .-?::. 



Fort Macon, North Carolina, to Naushon Island. Charleston, South 



