INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC 733 



fig. ]. Dynamena pttmila Lamouroux, Bulletin Soc. Phil., vol. iii, p. 184. 1812 ; 

 Agassiz, Contributious, 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; abnndant on the 

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

 tides. 



Sertularia cornicina Verrill. (p. 408.) 



Dxjnamena cornicina {pars) McCready, op. cit., p. 204, 1859 ; A. Agassiz, Catalogue, 

 p. 142, 1865. 



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

 Vineyard Sound, 1 to 8 fathoms, often on Halecium gyaclle ; also on Heat- 

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



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. Zoopli., p. 273, Plate 58, 1868. Sertularia falcata Linuc, Syst. Nat.,«(l. 



X, 1758; ed. xii, p. 1309 ; PI nmularia falcata Lamarck, Anim. saus Vert., ed. ii, p. 



160 ; Jobuston, Brit. Zooph., p. 90, Plate 21, figs. 1, 2. Sertularia iciienssima 



Stimpsoii, Mar. Invert. Graud 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, Bhode 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). 



TuhuJarina. 

 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. Nemo2}sis G-ibbesi 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. 239, 291, figs. 37-39, Plate 27, figs. 1-7, 1862 ; A. Agas- 

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

 Amer. Acad., vol. iv, p. 2.')0, Plates 1-3, 1849. 



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

 Margelis Carolinensis Agassiz. (p. 450.) 



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

 Hippocrene Caroliucnsis 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. 



