INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 613 



meuts. Aual segments small, with two long slender cirri. Color of 

 body translucent, light yellowish green ; the anterior part of the body 

 tinged with bright blood-red, due to the circulating fluid, showing 

 through the integument ; branchine greenish, with a central series of 

 white spots ; setoe of the palmulse, deep yellow. 



Length about 20™°»; diameter, 2.5™™ to 3™". 



Off New Haven, low-water mark to 6 fathoms, shelly. It makes rough 

 tubes about an inch long, covered with coarse sand and mud. 



Amage pusilla Verrill, sp. nov. 



Body rather slender. Head obtitsely rounded in front; the middle 

 lobe small, and but little larger than the lateral. Eight slender 

 branchi;ie, about twice as long as the diameter of the body, arranged in 

 a crowded group ; two farther back than the rest ; and with no apparent 

 naked median space. Twelve of the setigerous segments bear long 

 fascicles of slender setoe. No " palmulse," or cephalic setoe. Tentacles 

 numerous and slender. Two small, slender anal cirri. 



Length, 12™™ ; diameter, 1.5™™. 



Off New Haven, 5 to 6 fathoms ; shelly bottom. 



Melinna cristata Malmgren. (p. 432.) 



Nordiska Hafs-Annulater, loc. cit., p. 371, Plate !<!0, figs. 50-oOr). SabelUdes 

 cristata Sais, Fauna littoralis NorvegiiB, vol. ii, pp. 19, 24, PI. 2, figs. 1-7, 1856. 



Mouth of Vineyard Sound, on muddy bottoms, in the deepest water; 

 Bay of Fundy, on muddy bottoms, in 10 to 90 fathoms; near Saint 

 George's Bank, in 110 and 150 fathoms, mud. Off the Scandinavian 

 coast in 40 to 200 fathoms ; Greenland ; Spitzbergen. 



The tube is soft, flexible, slender, and covered with fine mud. 



Terebellides Stroemi Sars. (p. 507.) 



Beskriv. og lakttag., p. 48, Plate 13, figs. 31, a~d (teste Malmgren) ; Malmgren, 

 Nordiska Hafs-Anuiilater, loc. cit., p. 396, Plata 4r<-48D, 1865. 



East of Block Island, in 29 fathoms, sandy mud ; Bay of Fundy, 

 10 to 90 fathoms, muddy ; near Saint George's Bank, 85 to 150 fathoms. 

 Greenland, 10 to 250 fathoms ; Iceland; Spitzbergen; northern coasts 

 of Europe ; Adriatic Sea. 



Amphitrite ornata Verrill. PI. XVI, fig. 82. (p. 320). 



TerebeUa ornata Leidy, Marine Invertebrate Fauna of Rhode Island and New- 

 Jersey, loc. cit., p. 14 (146), Plate 11, figs. 44, 45 (setie), 1855. 



Great Egg Harbor, New Jersey, to New Haven and Vineyard Sound ; 

 common in sand and gravel at low- water mark. 



Nicolea SIMPLEX Verrill, sp. nov. (p. 321.) 



Body elongated, swollen anteriorly, especially above, attenuated 

 posteriorly. Head with a rather large, well rounded, or nearly circu- 

 lar frontal membrane, which has a smooth margin ; mouth with a small 



