35 



The prostate-pores, situated upon segment XVII and XIX, are 

 connected on each side by a groove, resembling a brace, a character, 

 by which this species can be easily distinguished from other congeners 

 (PI. II. fig. 7). The oviducal pores lie together in a transverse, oval, 

 glandular area on segment XIV. 



The setae are arranged in four couples and have the ordinary 

 shape; the distance between a dorsal and ventral couple measures 

 three fourth of that between the two ventral couples. There are four 

 fascicles of penial setae, each of them containing two or three 

 setae. The largest seta, which is somewhat longer and stouter than 

 the others, has its distal extremity undulated, with a few thorny 

 processes and a small knob at the tip. The smallest seta is only 

 faintly undulated (PI. II. fig. 8). 



There are two pairs of spermathecae; each sperm atheca 

 (PI. II. fig. 9) is somewhat oblong, divided by a constriction in two 

 compartments, the superior of which is the longest, while the inferior 

 is globularly dilated; the superior compartment bears about in the 

 middle of its length a small diverticulum, filled with spermatozoa. 



There is a large gizzard, consisting of two divisions, separated by 

 a membranaceous interval. The tubular intestine possesses three pairs 

 of calciferous glands ; the carbonate of lime contained in them , is not a 

 milky fluid as that in the glands of Lumbricus a. o., but consists of 

 rhombohedral cristals of different seize. 



The nephridia consist of groups of delicate tubules, and are 

 arranged nearly in four longitudinal series on each side. 



3. Benhamia malayana n. sp. 



Flores: Bari, Maumeri, Kotting, Wukur. 



Sumatra: Singkarah. 



Celebes: Makassar. 

 The length of the largest specimen is 20 to 30 mm., the number 

 of its segments amounts to about 95. The body is discoloured ; however 

 its posterior region is usually blackish, owing to the visibility of the 

 intestinal canal through the transparent body-wall. The body tapers in 

 its anterior region; the anterior five segments have a greater lon- 

 gitudinal diameter than the succeeding ones. The cephalic lobe 

 impinges with a round prolongation into the buccal segment (PI. II. 

 fig. 10). 



