ON NEW CESTODES FROM THE TASMANIAN DEVIL. 



677 



38. Contribntions to the Anatomy and Systematic Arrange- 

 ment of the Cestoidea. By Frank E. Beddard, M.A., 

 D.Sc, F.R.S., F.Z.S., Prosector to the Society. 



[Received April 2, 1912 : Read May 7, 1912.] 



(Text-figm^es 92-101.) 



V. On a neav Genus [DasyuroUenia) prom the Tasmanian 

 Devil {Dasyurus ursinus), the type of a new Family. 



Index. 



Systematic ; Page 



Da si/urotcenia, gen. n 694 



I), rohusta, sp. n 694 



Resum^ of anatomical points 695 



The Cestoidea hitherto recorded from Marsupials appear to 

 belong to the following genera only, viz. Triplotcenia, Moniezia, 

 Bertiella, Linstowia, Anoplotcenia, Oochoristica, and Gittotcenia. 

 To these mvist now be added an eighth genus, of which I have 

 recently examined examples from the Tasmanian Devil, in whose 

 small intestine they occui^red. 



Text-fiff. 92. 



< 



Dasi/tirolcenm rohusta, nat. size. 



Two views of the same two specimens, to show their attachment to the gut. 



Tlie loft-hand figure represents the interior of the gut, the riglit-hand 



figure the outside. 



The accompanying drawings (text-fig. 92) show two of the 

 three specimens which I obtained in situ. Each worm is firmly 

 imbedded at the head end in the wall of the gut. The two 



