592 



BULLETIN OF THE BUREAU OF FISHERIES. 



"iAmphiporus glutinosus Verrill. a 



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 Mclntosh. 



Verrill, 1892, p. 402 (determination doubtful). 



Vineyard Sound, i to 10 fathoms, not uncom- 

 mon. Verrill. Vineyard Sound, i to 20 

 fathoms. Coe. 



Family TETRASTEMMATID^. 

 Tetraslemma 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. 

 Nemertean, family and species undetermined. Blue 



Tetrastemma ekgans 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 

 vSound, 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 MALACOBDELLID^. 



Malacobdella grossa Miiller). 



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. 



Wing station 44. 



Acanthocheilus nidifex Linton. 



303 (sp. nov.); Linton, 1901, 



Linton, 1900, p 

 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 litioralis (stomach) and Raja 

 ocellata. 



? Agamonema capsularia Diesing. 

 Linton, 1901, p. 410, etc. 



Immature specimens from Anguilla chrysypa, 

 Clupea harengus and Scomber scombrus. 



? Agamonema papilligerus Diesing. 

 Linton, 1901, p. 410, 444. 

 Host; Scomber scombrus. 



? Ascaris acanthocaudata Cobbold. 

 Linton, 1901, p. 410, 476. 

 Host: Melanogrammus ceglefinus. 



Phylum NEMATHELMINTHES. 



Class NEMATODA. 



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, Mefluccius 

 bilinearis, Microgadus tomcod, Mvoxocephalus 

 ceneus, Myoxocephalus octodecimspinosus, Pol- 

 lachius virens, Pomolobus mediocris (?), Raja 

 erinacea, Scomber scombrus, Scomberomorus 

 maculatus, Squalus acanthias. 



This is probably the same as A . ochraccus.~C<x. 



