NEW OR IMPERFECTLY KNOWN SPECIES OF EARTHWORMS. 



15 



20. P. shimaënsis, n. sp. 

 One specimen preserved in formol. Length 205 mm., breadth 7 mm., of a dark 

 flesh color ; number of segments 163. Seta) very numerous, there being about 85 in the 

 genital segments. Clitellum XIV— XVI. Intersegmental lines very distinct and of 

 a darker color than the rest. Spermathecal pores four pairs, in V/VI, VI/VII, 

 VII/VIII, VIII/IX, about midway between the median line and the lateral margin ; 



no genital papilla) in this region. Male pores in 

 XVIII, separated by 13 seta). One pair of very large 

 circular genital papilla), with flat tops, of the diameter 

 of about 2.5 mm., in XIX, situated mainly behind the 

 chaital line and projecting into the next segment 

 (fig. 3). First dorsal pore in XII/XIIII. 



Gizzard in Vili, IX; intestine beginning in XV, 

 with a pair of coeca in XXVI, extending as far anteriorly as XX. Thickened septa 

 V/VI— VII/VIII and X/XI— XII/XIII ; septa VIII/IX and IX/X wanting. 

 Genital organs comparatively small. Spermathecœ four pairs, in VI, VII, VIII, IX, 

 with a winding appendage and a pyriform main sac. Sperm reservoirs in XI. 

 XII. Ovaries tolerably large; no ovisac. Prostate glands in XVII — XX. 

 Loc. — Shima ; collected by Mr. Iizuka. 



Fig. 



21. P. carnosa, n. sp. 

 Two specimens presenting a difference of some importance in the genital papilke 

 around the male pores. We shall base our description on the larger specimen, which 

 is also provided with more genital papilla). 



Length 153 mm., breadth 7 — 8 mm. , number of segments 106. Seta) about 55 

 iu the spermathecal region. Spermathecal pores three 



VII 



VIII 



xvi n 



XIX 



( ® 



<§>.. 







(8) 







INI 













1 - * 



Fig. 4. 



VIII, with a pair of genital papilla) near the median 

 line, in front of the choetel lines (fig. 4). Male pores 

 in XVIII, close to the lateral margin, separated by 

 14 setae, opening on low, large papilla) projecting out- 

 wards when seen from the ventral side. Segments 

 XVIII with two pairs of genital papilla), an inner 

 and outer ; the inner pair lying close to the median 

 line and in front of the chretal line, the outer close to 



