582 



BULLETIN OF THE BUREAU OF FISHERIES. 



Plagiostomum slellatum Graff. 

 1911, p. 393 (sp. nov.). 



Eel Pond, Red Ledge, and Grassy Island, fairly 

 abundant on Zostera. 



Plagiostomum morgani Graff. 

 1911, p. 395 (sp. nov.). 



Found by Graff at Eel Pond and Juniper (But- 

 lers Point.) 



Plagiostomum wilsoni Graff. 

 1911, p. 39 6 ( S P- nov.). 



Grassy Island and Little Harbor, on Ulva; one 

 of the commonest species. 



Plagiostomum whitmani Graff. 

 1911, p. 397 (sp. nov.). 

 Little Harbor, on Ulva, 10 specimens. 



Alonoophorum triste Graff. 



1911, p. 401 (sp. nov.). 



Grassy Island and Juniper (Butlers) Point, 

 3 specimens. 



Monocelis fusca Oersted. 

 1911, p. 408. 

 Eel Pond, especially under bridge. 



Monocelis wilhelmii Graff. 



1911, p. 410 (sp. nov.). 



Red Ledge, collected by Dr. Wilhelmi. 



Myrmeciplana elegans Graff. 

 1911, p. 410 (sp. nov.). 

 Falmouth, in brackish 

 Dr. Wilhelmi. 



water, collected by 



Class TREMATODA. 



Dactylocotyle denticulatum (Olsson). 



Linton, 1900, p. 286 (Octobothrium denticulatum); 



Linton, 1901, p. 414, 474- 

 From gills of Pollachius virens (locality not 



stated). 

 Dermocystis ctcnolabri Stafford. 



Ryder, 1884, p. 37; Linton, 1900, p. 281, 296; 



1901, p. 462, 463. (By both writers referred 



to as an unidentified trematode). 

 Immature stages encysted in the skin of the 



cunner (Tautogolabrus adspersus) and the tau- 



tog (Tautoga onitis), often in such numbers as 



to give the fish a spotted appearance. The 



adult has been found in abundance by Dr. 



Linton in the intestine of a loon (Gavia immer) 



captured at Woods Hole in 1911. 



Diclidophora affinis Linton. 



Linton, 1898, p. 511 (Octo plenum affine, sp. nov.); 

 Linton, 1901, p. 414, 482. 



From mouth of Paralichthys dcntatus. 

 Dionchus agassizi Goto. 



Goto, 1900, p. 286 (sp. nov.). 



From the gills of Remora brachyptera, Newport. 

 Diplostomum sp. 



Linton, 1901, p. 415, 442, 47 1 - 



Undetermined species, referable to this genus, 

 found in liver of Fundulus heteroclitus (cysts), 

 and in intestine of Prionotus carolinus. 

 Distomum appendiculatum Rudolphi. 



Linton, 1900, p. 289; Linton, 1901, p. 415, etc. 



Hosts: Achirus fasciatus (intestine), Anchoma 

 broivnii, Brevoortia tyrannus (intestine), Clu- 

 panodon pseudohispanicus, Clupea harengus 

 (intestine), Cynoscionregalis (intestine), Decap- 

 lerus macarellus (intestine), Microgadus tomcod 

 (intestine), Myoxocephalus ceneus (intestine), 



Distomum appendiculatum Continued. 



Paralichthys dentatus (intestine), Pomolobus 

 mediocris (stomach and pylorus), Pomolobus 

 pseudoharengus , Prionotus carolinus (intes- 

 tine), Pseudopleuronectes americanus (intes- 

 tine), Scomber scombrus, Stenotomus chrysops, 

 Trachurops crumenophthalmus, Urophycis chuss 

 (intestine). 



Distomum areolatum Rudolphi. 



Linton, 1900, p. 293; Linton, 1901, p. 415, etc. 



Hosts: Menticirrhus saxatilis, Morone americana 

 (intestine), Pseudopleuronectes americanus, 

 Tautogolabrus adspersus (intestine). Common. 



Distomum bothryophoron Olsson. 



Linton, 1901, p. 415, etc. 



Hosts: Clupea harengus, Pomolobus pseudoharen- 

 gus. 

 Distomum clavatum Rudolphi. 



Linton, 1898, p. 539; Linton, 1901, p. 415, etc. 



Hosts: Thunnus thynnus, Xiphias gladius 



(stomach). 

 Dislomum contortum Rudolphi. 



Linton, 1898, p. 528; Linton, 1901, p. 415, 466. 



From intestine of Mola mola. 



Distomum dentatum Linton. 



Linton, 1900, p. 294 (sp. nov.); Linton, 1901, 



p- 415- 483- 

 From intestine of Paralichthys dentatus (few). 



Distomum fenestratum Linton. 

 From Brevoortia tyrannus. 



Distomum faccundum Linton. 



Linton, 1900, p. 289 (sp. nov.); Linton, 1901, 



p. 415, 472. 

 From intestine of Lopholatilus ckam<zleonticeps, 



one specimen. 



