44 
Habitat. — Adult in small intestine of various felines, as the wild cat ( Fells eatus), 
domesticated cat (F. eatus domestiea), puma (F. concolor), etc. 
Larva in liver of brown rat ( Mas decumanus), black rat (IT. ratios), house mouse 
(J/. musculus), water vole ( Anicola amphibiui), field vole (A. arvalis ), long-eared hat 
( Plecotus auritus). 
Geographic distribution. — Europe, Asia, Forth America; probably more or less 
cosmopolitan, following the rats. 
Medical significance. — Krabbe lias suggested that this tapeworm 
mav possibly occur as an occasional parasite in man. since chopped 
raw mice are eaten in Jutland as a folk remedy for retention of urine. 
I know of no case actually reported for man. 
66 67 
Fig. 66. — Head of Tania iaiutjormis. x 15. (After Neumann, ia Railliet, lS93a, 250, fig. 112.) 
Fig. 67. — Larval stage of Tienia tenUeformis. Natural size. After Lone tart. 1880,450, fig. 202.) 
Subgenus uncertain. 
Ward’s Nebraskan Tapeworm — TZENIA CONFUSAa Ward, i8g6. 
[Figs. 6S to 73.] 
Specific diagnosis. — Tania (subgenus uncertain! (p. 24 : Strobila attains 5 to 8 
mm. in length, greatest breadth 8 to 10 mm. ; composed of about 750 to 800 seg- 
ments. Head unknown. Neck segmented. Genital pore hack of middle of lateral 
? EcMnorhynchus i n o r is Sell rank, 1788; Vesica riat anise for mis. (Batsch, 1786a) Schrank, 
178S; ? Hseruca murls i Schrank, 1788) Gmelin, 1790a; Tsenia murina Gmelin, 1790a, 
not Dujardin, 1845a; T. hydatigena Gmelin, 1790a; T. vespertiiionis Gmelin, 1790a; 
Vesicaria mv.ris Schrank, 1793; Hydatula macrocephala hepatis muscvli Viborg, 1795; 
f EcMnorhynchus haruca Lamarck, 1801; ? E. hserucse Bose, 1S02; Cysticercus tsenise- 
forrnis Batsch, 17s6a Zeder, 1803a; C. fasciolaris Rudolphi, ISOSa; Hydatis murina 
Bose of Laennec, 1812; If. hydatigena Bose of Lrennec, 1812; Tania resicularis fasci- 
olata Goeze of Lamarck, 1816; Hydatigera fasdolaris Rudolphi, 1808a) Lamarck, 1816; 
Hydatigena fasciolaris (Rudolphi, 1808a) Diesing, 1850a; Hydatigena hepatis murini 
Gceze of Diesing, 1850a; Cysticercus crassicolis (fasciolaris) Ivoeberle, lS61a. 
a Bibliography. — For zoological discussion see Guyer, 189Sa, 469-492, figs. 1-11. 
