Ss 
ary SMe 
ENTOZOA. 185 
Sp. Distoma hepaticwm, and Distoma lanceolatum MEuu. Fasciola hepatica L., 
Bremser Veb. leb. Wiirmer, Tab. Iv. figs. 11—14, M@rnuis Observat. anat. 
de Distomate hepatico et lanceolato, Gottinge, 1825, fol. ; the liver-worm, 
fluke, la douve, Leberwurm, Schaafwurm, occurs in the gall-bladder of 
man, but more frequently in ruminating animals, the ox, the deer, and 
especially the sheep. (MEHLIS has shewn that here two species have been 
confounded ; the worm figured by BREMSER, op. cit., is Distoma lanceolatum.) 
Dist. globiporum Rup. in different species of the genus Cyprinus. Comp. 
H. BuRMEISTER in WIEGMANN’S Archiv. 1835, I. s. 187; V. SIEBOLD, zbid. 
1836, I. s. 217—233, Tab. vi.; Dist. appendiculatum Rup. Entoz. Hist. nat. 
Tab. v. f. 1, 2; Mayer Bettrdge zur Anat. der Entoz. 1841, pp. 18, 19; in 
the intestines of Clupea alosa, &e. 
Distoma Beroés WiLL, in ERIcHSON’s Archiv. 1844, 8. 343—345, Taf. ro, 
figs. 1o—13. 
Diplostomum NorpM. Body soft, depressed, oval or roundish, 
elongate. Mouth anterior, elliptic ; suctorial acetabula two ventral, 
the anterior the smaller, situated nearly in the middle of the body. 
(Small animals living gregariously in the eye of fishes.) 
Sp. Diplost. volvens Norpm. Mikrogr. Beitr. 1. Tab. 11. ; found by NorRDMANN 
’ in the vitreous humour and in the lens of different fresh-water fishes (Perca 
Jluviatilis, Gadus lota, &e.) Tt may be the cause of a species of Cataract ; 
see the figures at Tab. I. figs. 1, 2. 
Note—Genus Cercaria Mur. (comp. above, p. 171,) contains 
larvee of Distomata. Similar larve of Zrematoda have caused the 
formation of other genera by authors. Here are to be referred 
Bucephalus V. Barr, and Leucochloridiwm Car. 
Amphistoma Rup. (Strigea ApitpG.) Body soft, roundish. 
Single anterior and posterior pore. 
Comp. C. M. Dirsina Monographie der Gattungen Amphistoma und 
Diplodiscus, Ann. des Wiener Museums, 1. 1836, pp. 235—260; also his 
Nachtrag zur Monographie der Amphistomen, ibid. 11. 1839, 8. 235—252. 
Genera Holostomum Nirzscu, Diplodiscus Drzs. 
Sp. Amph. cornutum Rup. Lnt. Hist. nat. Tab. v. figs. 1—7, (Holostomum), 
in the intestines of Charadrius pluvialis ; most of the species of Amphistoma, 
particularly of the sub-genus Holostomum, live in birds ; Amph. subclavatum 
(Diplodiscus subclavatus DrEs.), BREMSER Icon. Helm. Tab. vit. figs. 30, 31, 
Diesine Wiener Ann.t. Tab. xxiv. f. 19—24, is from the intestine of Rana 
and Bufo; Amph. conicum MUELL. Naturforscher xvi. Tab. 11. f. 11, Dir- 
sinG 1.1. Tab. xxii. figs. 1—4, is from the paunch of the ox and other rumi- 
nating animals ; comp. LaurER De Amphistomate conico, Gryphie, 1831. 
Monostoma Zev., Rup. (Festucaria ScHRANK, Cuv.) Body 
soft, roundish or depressed. Single anterior pore, aperture inferior 
or anterior. 
