59 2 
BULLETIN OF THE BUREAU OF FISHERIES. 
^Amphiporus glutinosus Verrill. “ 
Verrill and Smith, 1873, p. 631, 324, 382 ( Polina 
glutinosa, sp. nov.); Verrill, 1892, p. 397; 
Montgomery, 1897, p. 9. 
Woods Hole, Vineyard Sound; low water to 6 
fathoms, usually among hydroids and bry- 
ozoa. — Verrill. Abundant in Eel Pond. — - 
T. H. Montgomery. 
Amphiporus cruentatus Verrill. 
Verrill, 1879, p. 184 (sp. nov.); 1892, p. 399. 
Vineyard Sound, 4 to 10 fathoms; off Newport, 
3 to 8 fathoms.— Verrill. Off Nobska Point, 
common among dead shells of Spisula; Tar- 
paulin Cove. — Coe. 
Amphiporus bioculatus McIntosh. 
Verrill, 1892, p. 402 (determination doubtful). 
Vineyard Sound, 1 to 10 fathoms, not uncom- 
mon. — Verrill. Vineyard Sound, 1 to 20 
fathoms. — Coe. 
Family Tetrastemmatid.e. 
Tetrastemma candidum (Fabricius). 
Coe, 1899. 
Great Harbor, Little Harbor; on piles, between 
tides; not common. — Coe. 
Sexually mature at Woods Hole in July and 
August. 
Tetrastemma vittatum Verrill. 
Verrill, 1892, p. 411. 
Vineyard Sound, Woods Hole; in mud. — Verrill. 
Little Harbor, Eel Pond ; muddy bottoms and 
eelgrass, down to 25 fathoms. — Coe. 
Nernertean, family and species undetermined. 
Tetrastemma elegans Verrill. 
Verrill, 1892, p. 406. 
Woods Hole, on piles of wharf. — Verrill. Vine- 
yard Sound, Great Harbor, Little Harbor; on 
piles; not common. — Coe. 
Tetrastemma vermiculus (Quatrefages). 
Verrill, 1892, p. 407; Coe, 1899. 
Little Harbor, on piles and in mud.— Verrill. 
Great Harbor, Hadley Harbor, Vineyard 
Sound, on all kinds of bottoms. — Coe. 
Ripe ova in August. — Coe. 
Tetrastemma dorsale (Abildgaard). 
Little Harbor and Hadley Harbor; common on 
piles. — Coe. 
Sexually mature in August. 
Family MALACOBDELLimE. 
Malacobdella grossa Muller). 
Verrill and Smith, 1873, p. 625, 458 ( Malacob- 
della obesa; listed among the leeches); Ver- 
rill, 1892, p. 444 ( Malacobdella obesa). 
Parasitic on Mya, Venus, and Cyprina; rare. 
“Has apparently decreased in numbers in re- 
cent years, for an examination of thousands of 
lamellibranchs in the Woods Hole region dur- 
ing each summer for more than five years has 
not revealed a single specimen.” — Coe. 
Blue Wing station 44. 
Phylum NEMATHELMINTHES. 
Class NEMATODA. 
Acanthocheilus nidifex Linton. 
Linton, 1900, p. 303 (sp. nov.); Linton, 1901, 
p. 410, 426. 
Host: Galeocerdo tigrinus, in pits or nests formed 
by the worm bnrrowing into the mucous mem- 
brane of stomach, rare. 
Acanthocheilus sp. 
Linton, 1901, p. 410, 428. 
From Carcharias littoralis (stomach) and Raja 
ocellata. 
? Agamonema capsularia Diesing. 
Linton, 1901, p. 410, etc. 
Immature specimens from Anguilla chrysypa, 
Clupea karengus and Scomber scombrus. 
? Agamonema papilligerus Diesing. 
Linton, 1901, p. 410, 444. 
Host: Scomber scombrus. 
Ascaris adunca Rudolphi. 
Host: Alosa sapidissima. — Linton. 
Ascaris brevicapitata Linton. 
Linton, 1901, p. 410, 425 (sp. nov.). 
From stomach of Galeocerdo tigrinus (very rare). 
Ascaris capsularia Rudolphi. 
Linton, 1901, p. 410, etc. 
Hosts: Gadus callarias: Scomber scombrus. 
Ascaris clavata Rudolphi. 
Linton, 1900, p. 302; Linton, 1901, p. 410, etc. 
Hosts: Gadus callarias, Hippoglossus hippoglos- 
sus, Melanogrammus ceglefinus, Merluccius 
bilinearis, Microgadus tomcod, Myoxocephalus 
oeneus, Myoxocephalus octodecimspinosus, Pol- 
lachius virens, Pomolobus mediocris (?), Raja 
erinacea, Scomber scombrus, Scomberomorus 
maculatus, Squalus acanthias. 
? Ascaris acanthocaudata Cobbold. 
Linton, 1901, p. 410, 476. 
Host: Melanogrammus ceglefinus. 
a This is probably the same as .4. ochraceus.— Coe. 
