BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 



587 



Paratania medusia Linton. 



Linton, 1890, p. 862 (sp. nov.); Linton, 18973, 



p. 440; Linton, 1901, p. 412, 433. 

 From spiral valve of Dasyatis centrum. 



Phoreiobothrium lasium Linton. 



Linton, 1889, p. 474 (sp. nov.); Linton, 1890, p. 

 819; Linton, 18973, p. 447; Linton, 1091, p. 

 412, etc. 



Hosts: Carcharhinus milberti, Carcharhinus ob- 

 scurus (spiral valve), Sphyrna zygcena (spiral 

 valve). 



Phoreiobothrium triloculatum Linton. 

 Linton, 1901, p. 412, 427 (sp. nov.). 

 From spiral valve of Carcharhinus obscurus. 



Phyllobothrium foliatum Linton . 



Linton, 1890, p. 787 (sp. nov.); Linton, 18973, p. 



443; Linton, 1901, p. 412, 433. 

 Hosts: Dasyatis centrura (spiral valve); Raja 

 Itzvis. 



Phyllobothrium loliginis Leidy. 



Linton, 1897, p. 792. 



Adults from stomach of the squid (Ommastrephes 

 ilk'cebrosus) , taken at Provincetown . Imma- 

 ture specimens of this species have been found 

 in the stomachs of the following hosts, not yet 

 having been affected by the digestive fluids: 

 Hemitripterus americanus, Mustelus canis, 

 Paralichthys dentatus, Paralichthys oblongus, 

 Raja Iceiiis, Raja ocellata, Spher aides macu- 

 latus, Squalus acanthias, Urophycis chuss, 

 Urophycis tenuis, Xiphias gladius. 



Phyllobothrium, sp. undetermined. 

 Linton, 1901, p. 412, 474. 



Hosts: Carcharodon carcharias, Isunts dekayi, 

 Merluccius bilinearis (intestine). 



Platybothrium cermnum Linton. 



Linton, 1890, p. 820 (sp. nov.); Linton, 1901, 



p. 412, 427. 

 From spiral valve of Carcharhinus obscurus. 



Platybothrium parvum Linton. 



Linton, 1901, p. 412, etc. (sp. nov.). 



Hosts: Carcharhinus milberti (spiral valve), i 



Isurus dekayi (spiral valve), Sphyrna zygcena 



(spiral valve). 



Rhinebothrium cancellation Linton. 



Linton, 1890, p. 771 (sp. nov.); Linton, 1901, i 



p. 412, etc. 

 Hosts: Dasyatis centrura (spiral valve), Rhinop- 



tcra bonasus (spiral valve). 



Rhinebothrium flexile Linton. 



Linton, 1890, p. 768 (sp. nov.); Linton, 1901. 



p. 412, 433. 

 From spiral valve of Dasyatis centrura. 



Rhinebothrium longicolle Linton. 



Linton, 1890, p. 775 (sp. nov.); Linton, 18973, 



p. 441; Linton, 1901, p. 412, 433. 

 Hosts: Myliobatis freminiiillei (spiral valve;, 



Rhynoptera bonasus. 



Rhinebothrium minimum (Beneden). 



Linton, 18973, p. 441; Linton, 1901, p. 412, 431. 

 From spi'.al valve of Raja eglanteria and Raja 

 laevis. 



Rhynchobothrium agile Linton. 



Linton, 18973, p. 451 (sp. nov.); Linton, 1901, 



p. 412, etc. 

 Hosts: Myliobatis freminvillei (spiral valve), 



Rhinoptera bonasus (spiral valve). 



Rhynchobothrium attenuatum (Rudolphi). 



Linton, 1897, p. 805; Linton, 1901, p. 412, 448. 

 From peritoneum of Xiphias gladius. 



Rhynchobothrium brevispine Linton. 



Linton, 18973, p. 450 (sp. nov.); Linton, 1901, 



p. 412, 434. 

 From spiral valve of a small ray (probably 



Rhynoptera bonasus). 



Rhynchobothrium bulbifer Linton. 



Linton, 1889, p. 486 (R. tenuicolle); Linton, 

 1890, p. 825 (R. bulbifer, sp. nov.); Linton, 

 1897, p. 793; Linton, 18973, p. 448; Linton, 

 1901, p. 412, etc. 



Adults common in spiral valve of Mustelus 

 canis; cysts in viscera of following species: 

 Alutera schoepfii, Ammodytes americanus, 

 Anguilla chrysypa, Cynoscion regalis, Elops 

 saurus, Gadus callarias, Gymnosarda alleterata, 

 Menidia menidia notata, Menticirrhus saxatilis, 

 Merluccius bilinearis, Microgadus tomcod, Myo- 

 xocephahis ceneus, Paralichthys dentatus, Poma- 

 tomus saltatrix, Poronotus triacanthus, Raja 

 erinacea, Sarda sarda, Scomber scombrus (mus- 

 cles of back), Scomberomorus maculatus, 

 Spheroides maculatus, Squalus acanthias, 

 Tetronarce occidentalis, Urophycis chuss. 



Rhynchobothrium heterospine Linton. 



Linton, 1890, p. 839 (sp. nov.); Linton, 1897, 



p. 799; Linton, 1901, p. 412, etc. 

 Adults in spiral valve of Mustelus canis and 



Squalus acanthias; cysts in viscera of Anguilla 



chrysvpa, Paralichthys dentatus, and Syn- 



gnathus fuscus. 



Rhynchobothrium hispidum Linton. 



Linton, 1890, p. 833 (sp. nov.); Linton, igoi, 



p. 412, 433. 

 Cysts from Tautoga onitis; adults from spiral 



valve of Dasyatis centrura. 



