1904.J 



EARTHWORMS FROM NEW ZEALAND. 



223 



Dimensions. 8U x 4 mm., for 117 segments, 



Prostomiuvi tauglobic. 



Chceta. 8, closely coupled ; aa<bc = dd. 



Clitellum undeveloped. 



Genital pores.— The porophores* in 17 and 19 are in line of 

 chseta? ah, which are absent. The spermatic groove passes straight 

 backwai'ds between a and h, which are present on 18 in the 

 manner characteristic of the genus ; spermathecal pores normal 

 in number and jjosition, in line ah. 



Internal Anatomy. 

 The septa behind segments 8 to 14 slightly thickened. 



Text-fig. 42. 



Text-fig. 41. Maoridinhis maviensis. — A spermatlieca (X12: camera outline): no 

 structural difference could be detected between the two lobes of the sac, to 

 enable a distinction of diverticulum and ampulla to be made. 



Text-fi,2-. 43. Maoridrilus mauiensis. — ^A penial chteta (X 30. Laty oc. 1, obj. 2, 

 camera). 



* I have suggested, in an article on M. uliginosus (Tr. N.Z. I. 1900, p. 125), this 

 name for papillae carrying the male or prostate pores. 



