INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 725 



ovaries are mostly wanting, bnt portions are to be seen as slightly con- 

 voluted organs in the marginal region, opposite the intervals between 

 the lobes. 



Trachynema digitale a. Agassiz. (p. 454.) 



Catalogue, p. 57, figs. 81-86, 1865. Medusa digitale Fabricius, Fauna Grceul., p. 

 366, 1780. 



Vineyard Sound to Greenland. Wood's Hole, July 1, young speci- 

 mens. Massachusetts Bay (A. Agassiz). 



HYDROIDEA. 



Sertularina. 



TiAROPSIS DIADEMATA AgaSSiz. (p. 454.) 



Memoirs Amer. Acad., vol. iv, p. 289, Plate 6, 1849; Contnbutious, vol. iii, p. 

 354, Plate 31, figs. 9-15 ; vol. iv, pp. 308, 311, figs. 45-48 ; A. Agassiz, Catalogue, 

 p. 69, figs. 91-93. 



Vineyard Sound to Bay of Fundy. Massachusetts Bay (A. Agassiz). 

 Greenland (Morch). Wood's Hole, April, 1873. 



Oceania languida A. Agassiz. (p. 454.) 



In Agassiz, Contributions, vol. iv, p. 353, 1862 ; Catalogue, p. 70, figs. 94-102^ 

 1865. 



Buzzard's Bay to Bay of Fundy. Common in Vineyard Sound ; not 

 uncommon in Eastport Harbor. 



EucHEiLOTA VENTRICULARIS McCrcady. (p. 454.) 



Gymnoplithalmata of Charleston Harbor, in Proc. of Elliott Society of Nat 

 History, vol. i, p. 187, Plates 11, figs. 1-3, 12, figs. 1, 2, 1857; Agassiz, Contr 

 butious, vol. iv, p. 353, 1862 ; A. Agassiz, Catalogue, p. 74, figs. 104, 105, 1865. 



Charleston, South Carolina, to Vineyard Sound. 



EUCHEILOTA DUODECIMALIS A. AgaSSiz. (p. 454.) 



In Agassiz, Contributions, vol. iv, p. 353, 1862 ; Catalogue, p. 75, figs. 106-107*. 



Buzzard's Bay, Naushon Island (A. Agassiz). 

 Clytia Johnstoni Hincks. (p. 408.) 



Hist. British Hyclroicl Zoophytes, p. 143, Plate 24, fig. 1, 1868. Campamilaria 

 Johnstoni Alder, Northuni. and Dur. Catal., in Trans. Tynes. F. C, vol. v 

 p. 126, Plate 4, fig. 8 (t. Hindis). Sertularia uniflora {pars) Pallas, Eleuch 

 Zooph., p. 121, 1766. Campanulai'ia voluiilis .Johnston, Brit. Zooph., ed. ii, pp 

 107, 108, fig. 18 (not of Linu6 and Pallas). Clytia vohibilis Lamouroux 

 Expos. Meth., p. 15, Plate 4, figs. E, f, F, 1821. Chjtia Ucopliora Agassiz, Con 

 tributions, vol. iv, pp. 304, 354, Plate 27, figs. 8, 9 ; Plate 29, figs. 6-9, 1862 

 A. Agassiz, Catalogue, p. 78, figs. 108-111. 



Long Island Sound to the Arctic Ocean ; northern coasts of Europe 

 to Great Britain and France. Common near ISTew Haven and at Thim- 

 ble Islands, in tide-pools and 2 to 6 fathoms ; Watch Hill, Rhode 



