Expeditions off the Coast of New England. 39 
Annelida. 
Sthenelais, sp. nov. Various localities in — I, Sd.; Fisher’s I. Sd.; and 
Long. I. Sound, 10 to 40 fa “asc + sandy bottom 
Pholoe minuta Malmgren. Block I. Sou bes net fathoms, ope 
Nephthys ceca Malmgren. Off Stonin ngton, 4—5 fathoms, Au 
Phyllodoce Grenlandica (irsted. Fisher’s Island Sound, 12-14 pe 
Harbor 
Procerea gracilis Verrill. Noank Har 
Eusyllis lucifera Verrill, sp. nov.* N oank, — piles, and ek July 11-31. 
Syllis pallida Sebo wee are hems g. 6. Noank Harbor, Aug. 1 ad 
Syllis, sp. A yello ies, en broad — a and mo 
antennz and cirri 5 Bloc ieland Souict 17-21 fathom: 
Lumbriconereis obtusa Verrill. Noank Harbor, 1-1} Faneia mud and dead eel- 
grass, Jul ' 
L. 1, sp. nov.t Off rg arg 14 fathoms, Aug. 1 
sina J grasa Verrill, sp. nov.§ Off Block Island, 14 ela Aug. 19. 
marina eaaceiaas * sand at oe water on a beach about 3 miles 
on of N Na oank, July 9. 
Trophonia aspera Stimpso 
Brada, ae Apes if —_ 17-24 fathoms. 
Pol tydora, in de - shells of Pecten tenuicostatus; off Block 
Island: Block L Pron ‘18-21 fatho 
Pol: ydora, Noank Harbor, Lit fathoms, mud and dead eel-grass. 
Prazilla, sp. Off Sea-flower Reef, 6- 9 fathoms, sand. 
Ancistria capillaris Verrill. Off Block Island, 18-20 fathoms, m d. 
Cistenides granulata Malmgren. Long I. Sound, = Race Point, 50 fathoms. 
ton pel cincinnatus Malm, gren. Coxe’s Ledge, 2 ng gt 8 sand and gravel. 
Polycirrus, sp. A bright r ed species, with brilliant blue phosphorescence. Off 
abo teee i, 1 18-22 fathoms; Coxe’s Ledge, 20 fathoms; Bay of sate low-water 
0 50 fath 
* Eusyllis lucifera Verrill, sp. 
Body rather slender, reas “18m m. long; head broader than long, emarginate 
cag wider and br oadly we o Jin eyes rather large, the — pair a 
little wider apart than the posterior; palpi broad zo hereivte oe one-third as 
long as the head, blunt or obkaney: al emp in front; Sooriee: 
considerably longer and larger than the lta aso Seal to twice 
breadth of the head; tentacular cirri, like svt antennz and do rsal ci ap 
he fourth lo 
ts generally alternately longer and shorter, but mostly song than half the 
acd or yellowish white, with a testinal line. Phos- 
‘ht. 
MA 
és ight. 
Syllis pallid Vere tp sp. tov. Platd m1, figure 6. 
ys slender, | tapering to both ends, about rad long and °5 to ‘75mm. broad. 
Head small, length a bout equal to bre adth, rounded behind, produced in front, 
bone a slight antero-lateral angle on each side; palpi large, elongate d, erent 
ips; eyes small, the anterior very wide apart. Antenne 
rt, distinctly annulated or monili rn te median antenna lange 
rsal cirri variable in length, or alternately longer and shorter. The longer ones 
about one half longer than the breadth of the body, composed a 17 or 18 annula- 
‘ons. Color white, with a yellowish intestinal line posteriorly. None of the 
Sete have setiform tips. 
eis acuta Verrill, nov. Plate m1, fi 
This is tes Sarggonad species, phe 8 distinguished ie its very long acute head, 
which is three times as long as broad. The lateral appendages are short, 
with a Bote peta upper lobe. 
helia denticulata 
Bee lia ta Verrill, sp. nov. 
Body long and round; 9 anterior segments with short sete; 18 with slender 
tapering branchiz, denticulate on the front edge; 5 caudal segments with long 
Sete; anal segment with 16 to 18 slender acute papill, and two larger lanceolate 
tetrad 70mm. ; diameter, 6mm. 
