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Show 146 PROF.W. PETERS ON TAENIA FROM RHINOCEROS. [Feb. 21, that there was an exactly similar pair of tusks in the Museum of Royal College of Surgeons, but that he had hitherto sought in vain for any information as to the name of this extraordinary parasite. The following papers were read : - 1. Note on the Tcenia from the Rhinoceros, lately described by Dr. J. Murie. By Professor W . P E T E R S , F.M.Z.S. [Received February 1, 1871.] The very remarkable large cestoid worm, described doubtfully by Dr. Murie as a new species (Tcenia magna, P. Z. S. 1870, p. 608), and based on imperfect specimens from the Indian Rhinoceros, appears to be the same which I found in the small intestines of the Rhinoceros africanus, and of which I gave in the monthly reports of the Royal Berlin Academy for 1856, p. 469, the following diagnostic description :- "TAENIA GIGANTEA, n. Sp. " Caput magnum, latum, globosum, quadrilobum, rostello brevi rotundato conico, bothridiis crassis, margine postico libero ; collum subnullum ; corpus crassum lanceolatum; articuli brevissimi latissimi, marginibus postice excisis, angulis obtusis; apertura; genitales marginales secundce,- penes filiformes, limbo globoso afict't • "Long, tota 0*120 m. ; art. max. 0*003; lat. max. 0*027-0*029 ; lat. cap. 0*006; colli 0*005. "Hab. Rhinoceros africanus, Camper; in intestino tenui.- Mossambique." The accurate figures given by Dr. Murie of the individuals of the worm in their different state of growth agree so perfectly with the African specimens that I cannot hesitate to regard them as belonging to the same species. Fig. Fig. 1. Head and first segments of Plagiotcenia gigantea, seen from the side. 2. View of head of the same in front. I subjoin a figure of the head (the scolex), in case it might be judged convenient to communicate an additional note for the ' Pro- |
