[725] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 431 



ovaries are mostly wanting, but 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 Grcenl,, 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 ; Contributions, 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 LANGUID A 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 McCready. (p. 454.) 



Gymnophthalmata 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 

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



Charleston. South Carolina, to Vineyard Sound. 

 EUCHEILOTA DUODECIMALS A. Agassiz. (p. 454.) 



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

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



CLYTIA JOHNSTONI Hincks. (p. 408.) 



Hist. British Hydroid Zoophytes, p. 143, Plate 24, fig. 1, 1868. Campanularia 

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

 p. 126, Plate 4, fig. 8 (t. Hincks). Sertularia uniflora (pars) Pallas, Elench. 

 Zooph., p. 121, 1766. Campanularia voluMlis Johnston, Brit. Zooph., ed. ii, pp. 

 107, 108, fig. 18 (not of Liune&quot; and Pallas). Clytia voluUHs Lamouroux, 

 Expos. Meth., p. 15, Plate 4, figs. E, f, F, 1821. Clytia bicophora 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 New Haven and at Thim 

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



