[733] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 439 



fig. 1. Dynamena pumila Lamouroux, Bulletin Soc. Phil., vol. iii, p. 184. 1812 ; 

 Agassiz, Contributions, vol. iv, pp. 326, 355, Plate 32, 1862 ; A. Agassiz, Cata 

 logue, p. 141, figs. 225, 226. 



New Jersey to the Arctic Ocean ; Finmark to Great Britain and 

 France. Great Egg Harbor, New Jersey, on Fucus ; abundant on the 

 shores of Long Island Sound, Vineyard Sound, and northward, between 

 tides. 



SERTULARIA CORNICINA Verrill. (p. 408.) 



Dynamena cornicina (pars) McCready, op. cit., p. 204, 1859 ; A. Agassiz, Catalogue, 

 p. J42, 1865. 



Charleston, South Carolina, to Vineyard Sound. Not uncommon in 

 Vineyard Sound, 1 to 8 fathoms, often onHalecium gracile ; also on float 

 ing Zostera, etc., and covered with Lafoea calcamta. 



This species somewhat resembles the preceding, but the hydra-cells 

 are more distant, longer, more prominent, and freer, while the end is 

 distinctly bent outward, making the lower side concave in the middle ; 

 aperture strongly bilabiate, often appearing tridentate. 



HYDRALLMANIA FALCATA Hincks. (p. 408.) 



Brit. Hyd. Zooph., p. 273, Plate 58, 1868. Sertularia falcata Linn6, Syst. Nat., ed. 

 x, 1758 ; ed. xii, p. 1309 ; Plumularia falcata Lamarck, Auim. sans Vert., ed. ii, p. 

 160; Johnston, Brit. Zooph., p. 90, Plate 21, figs. 1, 2. Sertularia ienenssima 

 Stimpson, Mar. Invert. Grand Manan, p. 8, 1853. 



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

 to the British Channel. Common near New Haven, and off Thimble 

 Islands, 4 to 8 fathoms ; Watch Hill, Ehode Island ; Vineyard Sound, 

 and off Gay Head, 6 to 20 fathoms ; Massachusetts Bay, abundant; 

 very abundant; in Casco Bay and Bay of Fundy, low-water to 110 fath 

 oms; Mingan Islands, Labrador. Saint George s Bank, very abundant, 

 20 to 150 fathoms, (S. I. Smith, A. S. Packard). 



Tubularina. 

 NEMOPSIS BACHEI Agassiz. (p. 454.) 



Mem. Amer. Acad., vol. iv, p. 289, figure, 1849 ; Contributions, vol. iv, p. 345 ; 

 A. Agassiz, Catalogue, p. 149, figs. 227-231. Nemopsis Gibbesi McCready, op. cit., 

 p. 58, Plate 10, figs. 1-7, 1859. 



Charleston, South Carolina, to Nantucket. 



BOUGAINVILLIA SUPERCILIARIS Aggasiz. Plate XXXVII, fig. 276. 



(p. 328.) 



Contributions, vol. iv, pp. 289, 291, figs. 37-39, Plate 27, figs. 1-7, 1862 ; A. Agas 

 siz, Catalogue, p. 153, figs. 232-240. Hippocrene siiperciliaris Agassiz, Mem. 

 Amer. Acad., vol. iv, p. 250, Plates 1-3, 1849. 



Newport, Rhode Island, to Bay of Fundy ; ? Greenland. 

 MAUGELTS CAROLINENSIS Agassiz. (p. 450.) 



Contributions, vol. iv, p. 344, 1862 ; A. Agassiz, Catalogue, p. 156, figs. 241-248. 

 Hippocrene Carolinensis McCready, op. cit., p. 164 (separate copies, p. 62), Plate 

 10, figs. 8-10. 



Charleston, South Carolina, to Vineyard Sound. Wood s Hole, at 

 surface, evening. 



