RESEARCHES IN HELMINTHOLOGY AND PARASITOLOGY. 89 



41. Cysticcrais Tenuicollis, Rud. Occasionally in the liver of the 

 hog, Sus scrofa, and in the mesentery of the sheep, Capra arics. 



42. Cysticercus Elongatus, Leuck. In cysts, in the peritoneum of 

 the European domestic rabbit, Lcpus cumiculus. 



43. Echinococcus (h'amtlosus, Rud. Kchinococcus polymorphiis , Die- 

 sing. From a cyst of about three inches in diameter, between the 

 muscles in the right side of the abdomen, in an English sailor boy ; 

 and also in two large cj^sts in the liver of a Frenchman. I have 

 never met with this parasite in the Anglo-American. In three large 

 cysts in the liver of a large species of monkey (species unknown) ; 

 the specimen being preserved in the collection of the University. 



44. Cccnurus Cerebralis, Rud. In the sheep, Capra arics. 



45. Taenia So/imn, Lin. Leidy, Pr. A. N. S., ix, 443. 



46. Tcenia Latkephala , Leidy. Ibidem. 



47. Tcenia Serrata, Goeze. Ibidem. 



48. Tcrnia Ci/ciimerifia , Bloch. Ibidem. 



49. T(snia E/liptica, Batsch. Ibidem. 



50. Tcrnia Crassicollis , Rud. Ibidem. 



51. Tcrnia Pusil/a, Goeze. Ibidem. 



52. Tcenia Pcciinata, Goeze. Ibidem. 



53. Bacillaris ? Goeze. Ibidem. 



54. Tcenia Pestifera, Leidy. Ibidem. 



55. Tcenia Sfrigis Acadicce. Ibidem, 444. 



56. Tcenia Variabilis'^ Rud. Ibidem. 



57. Tce7iia Dispar, Goeze. 



TcB7iia pulchclla , Leidy. Pr. A. N. S., v, 241. 

 T(znia dispar, Goeze. Leid}', Pr. A. N. S., ix, 444. 



58. Tcenia Lactea, Leidy. Pr. A. N. S., ix, 444. 



59. Tcenia Gibbosa , Leidy. Ibidem. 



60. Dibotliriinn Punctatu))} , Rud. Leidy, Pr. A. N. S., ix, 444. 



61. Sparganum Pepfans, Diesing. 



Ligiila rcptans. Diesing. Syst. Helm., i, 581. 

 Ligula tritonis, Leidy. Pr. A. N. S., v, 96. 

 Sparganum ajfinc, Diesing. Verth. d. Cephalocot., 20. 



62. Dibothriorhynchus Abditus, Leidy. Head continuous with the 

 neck, apex convex and emarginate. Bothria 2, lateral continuous 

 above, oval, with the lateral margins involute. Proboscides filiform, 

 projecting 1% lines from the head. Neck taeniaform, widening 

 posteriorly. Body constricted from the neck, narrower and longer, 

 taeniaform, narrowing posteriorly and ending in an obtusely angular 

 extremity. Length of head and neck 6 lines, breadth posteriorly i 

 line ; length of body 7 lines, breadth 3-5ths of a line. 



