260 s- CfOTo. 



destitute of cliitinous corpuscles ; posterior 

 sucker tolerably large, slightly elliptical, 

 with the central area 9-siclecl, projecting 

 beyond the body proper by | of its length.T. foliaceum. p. 248. 

 §5 Body elongated-ovate, about 12 mm. by 7 

 mm.; anterior border truncate ; lateral 

 margin entire, ■without any chitinous 

 corpuscle ; posterior sucker slightly ellipti- 

 cal, tolerably large, with the central area 



9-sided T. Nozawae. p. 249. 



§8 Body elongated-oval, about G mm. by 

 3 mm.; anterior border slightly convex ; 

 lateral margin entire and with a series of 

 about G2 chitinous corpuscles ; posterior 

 sucker slightly elliptical, of moderate size, 



with the central area 9-sided T. biparasiticum. p. 251. 



Body always asymmetrical. 



t^With a pair of spheroidal or egg-shaped suckers 

 within the mouth and with an unequal number of 

 generally small, flattened suckers on either side of 

 the posterior part of the body ; destitute of any hook 



at the posterior end of the body AXINE. p. 196. 



*iBody with the form somewhat like that of 

 the blade of the Turkish sword, flat, about 10 

 mm. long, with one side of the caudal disc 

 making an obtuse angle with the correspond- 

 ing side of the body proper; with about SO 



suckers on one side and 9 on the other A. heterocerca. p. 197. 



"2 Body curved towards one side, elongated, flat, 

 about 5 mm. long ; with one side of the caudal 

 disc making an acute angle with the corres- 

 ponding side of the body proper ; caudal disc 

 with about 25 suckers on one side and only one 

 (or ijerhaps two or three ?) on the other ...A. aberrans. p. 198.' 

 ■•■'Body triangular, flat, short and broad, about 



