[413] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 319 
ments. Anal 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; branchiw greenish, with a central series of 
white spots; sets of the palmulz, deep yellow. 
Length about 20""; diameter, 2.5" to 3™™. 
Off New Haven, low-water mark to 6 fathoms, shelly. Itmakes rough 
tubes about an inch long, covered with coarse sand and mud. 
AMAGE PUSILLA Verrill, sp. nov. 
Body rather slender. Head obtusely rounded in front; the middle 
lobe small, and but little larger than the lateral. Eight slender 
branchie, 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 sete. No “ palmul,” or cephalic sete. 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 20, figs. 50-50np. Sabellides 
cristata Sars, Fauna littoralis Norvegiz, vol. ii, pp. 19, 24, Pl. 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 Iakttag., p.’48, Plate 13, figs. 31, a-d (teste Malmgren) ; Malmgren, 
Nordiska Hafs-Annulater, loc. cit., p. 396, Plate 43-48p, 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. Pl. XVI, fig. 82. (p. 320). 
Terebella ornata Leidy, Marine Invertebrate ‘Fauna of Rhode Island and New 
Jersey, loc. cit., p. 14 (146), Plate 11, figs. 44, 45 (sete), 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. noy. (p. 321.) 
Body elongated, swollen anteriorly, especially above, attenuated 
posteriorly. Head with a rather large, well rounded, or nearly cireu- 
lar frontal membrane, which has a smooth margin; mouth with a small 
