498 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [46] 

 List of Entozoa described in this paper, with their hosts. 



Entozoa. 



Host. 



Dibothrium manubri forme sp. dov 



Dibothrium aluterce sp. nov 



Echeneibothrium variabile Van Beneden . . . 

 Spongiobothrium variabile gen. et sp. nov. 

 Phyllobothrium thysanocephalam sp. nov.. 



Orygmatobothrium angustum sp. nov 



Crossobothrium laciniatum gen. et sp. nov 



Phoreiobothrium lasium gen. et sp. nov .., 



Calliobolhrium verticillatum Rudolphi 



Rhynchoboihrium bisulcatum sp. nov 



Jthynchoboihrium tenuicolle Rudolphi 



Teen in dilatata sp. nov 



Echinorhynchus agilis Rudolphi 



Echinorhynchus acus Rudolphi 



Echinorhynchus sagitti/er sp. nov 



Echinorhynchus protens Westruuib 



Embryo Tetrabothria 



Spear Fish (Tctrapturus albidus). 



File Fish ( Alutera Schcepfti) 



Common Skate (Iiaia erinacea) - 



Sting Ray (Trygon centrura) 



Tiger Shark (Oalcoctrdo tigri- 



71US). 



Dusky Shark (Carcharias obscu- 

 rus). 



Sand Shark (Odontaspis littn- 

 ralis). 



Dusky Shark (Carcfiarias obscu- 

 rus.) 



Smooth Dogfish (Musteluscanis) 



Dusky Shark (Carcharias obscn- 

 ■rus.) 



Smooth Dogfish (Mustelus canis) 



Common Eel (AnguiUavulgaris) 



Angmlla vulgaris and Carcha- 

 rias obscurus. 



Flat Fish (Pseudopleuronectes 

 americanus). 



Common Flounder (Paralichthys 

 dentatus), Squeteague (Cy no- 

 scion regale) , and Bluefish (Po- 

 matomus saltatrix). 



Striped Bass (Iioccus lineal us) . . 



Squeteague (Cynoscion regale) . 



1-4 

 5-8 

 9-13 

 13-10 

 1-12 



1-3 



4-18 



24-29 



1-8 

 9-23 



17-18 



14-1(5 



1-6 



3-5 

 6-9 



Washington and Jefferson College, 



Washington, Pa., June 1, 1S86. 



