42 A. E. Verrill—Results of recent Dredging 
wicularis Hincks. Off New Haven; Fisher’s I. Sound; St. George’ 
Beak; Bay of Fundy, ete. Common on Sertularia 
na Verrill. This Jou pee aT plate vu, figs. 4, 5, 
me sdgenpare ‘6 Vers er as on twenre; p. 713, 1873. New Haven Harbor; 
Noank, on eel-frass, e ineyard Sound; Be everly, Mass. ; Long I. Sound, low- 
water to 40 fathoms oe. "2 e shells, stones, ete., with ovec ia. 
s Journal, ix, p. 415, pl. ie fig. 3, appa wae 
Thim S ised on len in oor at cateigeatan Fisher Soun 
fai ant: ; Vineyard Sound, 5 to 10 fathoms, common ager 
Echinodermata, 
Lophothuria Fabricii Verrill. Off Block Island, 20-21 fathoms (157-9). 
“wo 
Bolina alata Agassiz. Newport, R. I (A. iz). 
ypanularia verticillata Lamarck. Block ii a sd, 17-45 fathoms; Fisher’s I. 
ms, 
* hg se ‘Plate Iv, fig. 6. Noank, on bottom of scow; Wood’s 
Hole, on piles, 1 
Clytia lr (M eCready). Plate rv. fig. 2. New Haven, Sept., 1874. 
Gonoth mations Hincks. Off Watch Hill, R. I., 18 fathoms, July 21. 
boven & Noank, on piles of wharf. 
G. gracilis To Fisher's L. Sd., 4-13 fathoms ; off Watch Hill, 18 fathoms; 
off geen Pt., 6-20 fathoms 
(clark is Clark, sp. nov.* New Haven, on piles of Long Wharf, a 1875 
k 
). 
6 te or Clark. sp. nov.+ Greenport, L. I., on piles, Aug. 5 
0. b ta Clark, sp. nov.t Off Thimble Islands, 4-5 yeaa rocks, Sept., 
18 
Oper arella ites Hincks. New Haven, on erie ss Oh 1875 (Clark). 
pumila Clark, sp. nov. 5 ctachenaghed Me., on piles; off M k Pt., 5-15 fathoms. 
Bston jum artizcionmn. 0 ark, sp. nov.| lang: 2 ; oui ‘€13 fathoms ; Coxe’s 
Ledge, 1721 fathoms; Ones ‘Bay; ee, of Fundy. 
* Gonothyrea tenuis Clark, sp. nov. Closely allied to G. a but has nar- 
row, elongated, obconic gonothecs, tapering pees to the 
Obelia bidentata ace sp. 0 Plate tv, fig. 
slender, translucent and very prs . By — very deeply campanulate with 
9-12 Pans gwen lines, and the ornamen ~~ ee acutely bidentate teeth. 
tO ‘a Clark, om ae Tate 
Stem erect, slender, compound, sparingly ee: ’ branches short, slender, 
ascending an irregularly arranged. Hydrothecze very deeply campanulate, nar 
row, very ret , and with 8-10 longitudinal lines extending from the distal 
extremity nearly to the base. The = is peo Baler acer Leena teeth. 
ercularella pumila Clark, sp. ni v, figs. 7, 
Stem a stout, erect or creeping sgh fexuots sant gly branched. 
Hydrothece largest in the middle, ta very slightly toward the base and 
rapidly converging toward the distal — acne composed of a few con- 
vergent segments, not very deep. Gonoti hecw fusiform, about twice the length of 
articulosum Clark, sp. nov. 
tem stout, compound, sparingly branched, dark brown or black; branches 
— and oe wenoeed on all sides of the stem; branchlets vas aa very 
ets divided into short, stout feteenouse 27 y distinct 
joints placed at t anges to the ems. Hydrothecz short a. 
thee sessile, bo a ‘3 on the side of the pinne. The female are 
chevain, ak wae Ok a i ca tae ae, eee te the distal end. The male 
