1899.] 



ox TWO £AR'rHWOR.MS. 



SO"; 



we have called attention in the i)resent communication. Those are 

 the two species Perion.i/.v e,x-ravati(s and PeriiluKta indica. But in 

 the case of the former species the number of what we may there 

 fairly term abnormal specimens was small iu proportion to those 

 which were normal ; only 18 out of about 430. In erichceta 

 indica the occasional absence of the " prostate " gland is more 

 frequent. 



Trichoch^ta hesperidum. 



The genus TrkJiochceta was founded by one of us some years 

 since ' and two species were described. 



IV. 2. 



XII 



xxni 

 xx.\v 





■ xy 1 



Trichochafa hesperidvm, ventral view of anterior segment. 

 CL, clitollum. 



' Beddard, " Two new Genera and some new Species of Earthworms," Quart. 

 J. Micr. Sci. xxxiv. p. 252 ; and " On some new Species of Earthworms from 

 various parts of the World," P. Z. S. 1892. p. 701. 



