NEW OK IMPERFECTLY KNOWN SPECIES OF EARTHWORMS. 



77 



uniform light yellow. Number of setœ fewer in the anterior segments ; in the 

 spermathecal segments 51, behind them about 65. First dorsal pore in XI/XII. 

 Spermathecal pores two pairs, in VII/VIII, VII I/IX; with two or three genital 

 papillae on the jwsterior margin of the next preceding segment. Sperm duct 

 pores on top of papillae, each surrounded by 8 genital papillae arranged by fours 

 on the two sides of an isosceles triangle with the base turned externally. 



Intestine begins in XV ; one pair of intestinal cœcain XXVI, extending for 

 segments anteriorly. Thickened septa V/VI— VII/VIII and X/XI— XIII/ 

 XIV ; septa VIII/IX, IX/X wanting. One pair of spermathecie in Vili, with 

 two tìnger shaped, more or less winding diverticula of unequal lengths, and ano- 

 ther pair of similar spermathecse and three pairs of small accessory spermathecie 

 without diverticula in IX ; the accessory spermathecse being situated internally 

 to the well-developed ones. Testes in X, XI ; sperm reservoirs in XI, XII. 

 Ovisacs in XIII. Prostate glands lobate, in XVII — XXI. Last heart in 

 XIII. 



Loc. — Taipei-fu (Northern Formosa). 



17. P. candida, n. sp. 

 Length 150 mm, breadth 6 mm., number of segments 95. Color dark brown 

 on the dorsal side, light grey on the ventral side, and the two colors n eetirjg in a 



line on the lateral side ; with metallic lustre; 



,® ductal lines faintly white. Clitellum XIV— 



~ / XVI, without setae. Setae somewhat widely 



\ 1 separated from each other; in II there were 



-jg 20>ta>, inlll 32, in IV 34, in VII 44, in 



"j VIII 46, in XVIII 44. First dorsal pore in 



XIII/XIV. Spermathecal pores two pairs, 

 in VI/ VI J, VII/VIII ; one pair of genital 



XVIII f*...^-. . ...l 



papillae in front of the ductal line in VI, 

 VII, VIII. Sperm duct pores separated by 

 12 seta 1 ; two pairs of genital papillae directly inside the male pores, one on either 

 side of the chnetal line. 



Gizzard in IX — X; intestine begins in XV ; one pair of intestinal cœca in 

 XXVII, extending for two segments anteriorly. Thickened septa VI/VII — 



VI 



VIII 



