404 Records of the Indian Museum. [Voi.. VIII, 



The genital setae appear to be variable in size and form. In 

 length they measure from 2'3 to 3*9 mm., in breadth 34 />. The 

 shaft is gently curved in an S-shape, and its distalmost portion is 

 ornamented with numerous short rows of dots, placed transversely 

 to the long axis of the shaft. The point is always somewhat 

 spoon-shaped, but the degree of curvature of the extremity varies 

 (fig. 19)- 



Eutyphoeus koboensis, sp. nov. 

 (PI. xxvii, figs. 20, 21.) 



.\ single specimen. Kobo, Abor country, alt. 400 ft. ; in earth ; 2-xii- 

 igii. A whitish florculent mass adhered to the ventral and lateral sur- 

 faces of the animal a short distance behind theclitellum ; on microscopic 

 examination this was found to consist of sper:ii-morulac (not developed 



■ spermatozoa). 



Length to inches ; diam. maximum 7 mm. ; colour slaty-blue 

 dorsally, light olive-green ventrally and laterally. Segments ca. 



195- 



Prostomium retracted under first segment, apparently prolo- 



bous. 



The first three segments consist of a single annulus, iv-v are 

 bianiiulate ; vi also biannulate, with however indications of other 

 rings also ; vii-viii are 4-annalate, ix-x 5-annulate, xi -xiii 4-annu- 

 late ; behind the clitellum the segments are triannulate. 



The first dorsal pore is in furrow r? ; pores are present on the 

 clitellum. 



The setae are small, and fairly closely paired. In front of the 

 clitellum aa averages about 2\ah; aa = or slightly > be; ab= cd; 

 dd = \ circumference. Behind the clitellum aa --=- ^ab nearly ; 

 a a > be, ab == cd. 



The clitellum includes ixiii-xvii = 4^ ; furrows and annuli 

 are obliterated; setae and dorsal pores are present. 



The male apertures are a pair of conspicuous deep pits in 

 the line of the setae of xvii; setae a and b are absent. The middle 

 of the pit corresponds with seta b, but it is of such a size as to 

 overlap the line of setae a internally. Between the pits the sur- 

 face is depressed. 



The female apertures are a pair of transversely elongated slits 

 bordered by lip-like margins, the whole sunk in a common trans- 

 versely extended depression, with well-defined margins; this com- 

 mon depression is rather narrower (antero-posteriorly) in the 

 middle line, i.e. in the interval between the slit-like apertures. 

 The whole is situated in the position of the (absent) groove if. 

 Each slit has its centre between lines a and b, and overlaps these 

 fines considerably (fig. 20). 



The spermathecal apertures are small and slit-like, in furrow 

 V, outside the line of setae b, but nearer to b than to c. 



Genital markings are present in furrows It and ?i (fig. 20). 

 In the latter groove is situated a narrow white ridge, slightly 

 broader at its ends than in the middle, and not projecting beyond 



