NO. 1105. rnocEEDixas of the xatioxal miseum. I79 



Railliet" in 1893 places Rieliui's specie.s in his ^enus Ct€iiof<cnia. 



From tlie work of former authors and from my own observations npon 

 the original material of T. denticulata, T. (/oezei, aiul Cittofania lafUs- 

 sima, I proi)Ose the following as a revised specific diagnosis: 



Diagnosis.— Cittot(V7iia denticuJata (Rudolphi, 1804), Stiles and Has- 

 sall, 189(> : Strobila attains 40 to 50 cm., even 80 cm. in Icnglli by 15 mm. 

 in l)readth by 3.5 mm. in thickness, is grayish to grayish red in color 

 and is nmde up of I'OO or more segments. Head unarmed, 0.8 mm. 

 broad by 0.G3 mm. long, suckers large and prominent; rostellum not 

 observed. Xeck abent. ^ Oenital pores double, prominent, oi)posite in 

 posterior half of nmrgiii, near corner of the segment. Male organs: 

 Testicles 0.115 mm. in diameter, very numerons, scattered tlirougli the 

 dorsal portion of the median field: cirrus-pouch large and prominent 

 l.lL* mm. long by 0.32 mm. broad. Female organs: Vagimi runs ven- 

 trally and distally of cirrus-pouch on both sides of segment- female 

 glands very similar to those of Gittota'nia jyectinata, situated close to 

 longitadinal canals; uterus very complex. Eggs 53 to G) /.;in diameter- 

 bnlb of pyriform body 10 to 21 / . Excretory system: Very complex, 

 uumerous, thin-wailed longitudinal canals (i)robably all belonging to 

 the ventral system); dorsal canals with thick wall. Genital canals 

 cross the longitudinal canals and nerves dorsally. 



Host. — Common European wild rabbit {Lcpus ciniictdus). 



T//2>r,s'.— Rudolph i\s type in Berlin i^Iuseum; fragments in the collec- 

 tion of Stiles, Xos. 17. 1192, U.S.^.M. Baird's type in South Kensing- 

 ton Museum (London) ; fragments in collection of Blauchard. Riehm's 

 cotypes in collection of Leuckart; Yieuna Museum; Xo. 1328, TT.S.N.M. 

 Several typical specimens in collection of Mouiez. 



Geof/rajihical disfrib7(fio)).—FAivo\)e: France (Chabert, R. Blanchard. 

 Moniez); Saxony (Riehm). 



CITTOT^NIA CTENOIDES (Railliet, 1890), Stiles, 1896. 

 (Plate XIV, figs. 1-8.) 



1881, IHpiiUdium leuckarti, UlKlui, Zeitsclir. f. d. ges. Xatnrw., 3 ser.,yi, p. 200; ]>». 



566-577, pis. y, ligs. 3, 11-13, 16; vi, ligs. 5-6. 

 1888, Tania huclcartl (RiEnAi, 1881), Neumaxx, Trait.- des iiialadies parasitaiies, 



etc., p. 426 [nee T<niin leuckarti, Kraiuie, 186i), Bidrag, p. .S35]. 



1890, T. ctenoides, Railliet, Rev. d. Sci. iiat. appliq. Bull. 80c. nat. d'Acclimat. de 



France, p. 346. 



1891, Moniezia Jeuclarti (Kiehm, 1881), R. Blanchard, Mem. Soc. zooL. France, 



IV, p. 187 ; pp. 444, 450-451. 

 1893, CtenoUvnia leuclaril (Riehm, 1881), Railliet, I'raite de Zool. med et a.rric 



I, p. 278. "^ ' 



1896, auotamia leuckarii (Riehji, 1881), Stiles & Hassall, Veterinary Magazine 



III, p. 407. . r, , 



For the history of this species prior to Riehm, 1881, see the historical 

 review of C.pectinata^ p. 184. 



' Traito Zool. med. et agric, I, p. 278. 



