1899.] 



0>' TWO EA.KTHWOIIMS. 



807 



we bave called attention in the present coinmunioation. Those are 

 the two species Perionyx exvavatus and Perirhfta indicn. But in 

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

 fairly terra abnormal specimens was small in proportion to those 

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

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

 frequent. 



TkICHOCH.ETA HESPERIDtJM. 



The genus 'frichochceta was founded by one of us pome yeai's 

 since ' and two species were described. 



Fig. 2. 









2iJ 



Trichoch&fa hesperidvm, ventral view of anterior segment. 

 CL, clitellum. 



1 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. 



