80 An7ials of the South African Museum. 



fig. 26) the papillae appear deeply retracted into the cavity of the 

 legs. 



In P. trinidadensis, according to Bouvier, the whole " papilla " {i.e., 

 ring-pad and central tubercle) is formed of a thin integument ree 

 from scales, resembling that of the coxal organs. In this latter 

 respect it would appear to differ from the condition in Opisthopatiis , 

 where the papilla and fold are both covered with scales. 



Peripatoides . — Crural glands opening at the apex of pale papillae 

 appear to occur in most or at least some of the legs in the Australian 

 and Tasmanian forms of P. leucharti (Sanger), (occidentalis and 

 onentalis, Fletcher, insignis and oviparus, Dendy, all of which, 

 according to Fletcher, are varieties of leucharti), and apparently also 

 in the recently discovered New Zealand form P. viridimaculatus 

 (Dendy) (1900). The white papillae are situated on the ventral side 

 of the legs. The glands of the legs of the genital segment will be 

 considered further on. 



According to Miss Sheldon (1889) crural glands are absent in the 

 male of P. novce-zealandicB. 



Paraperipatus novcB-hritannia possesses no crural glands (Willey, 

 1898). 



7. The female genital organs. 



The young ova in the ovaries are contained in follicles (fig. 17) as 

 in all the other genera except Periyatus. 



The ducts consist of two tubes, which unite at their entrance to the 

 ovaries and again just before the external opening (fig. 20). 



Beceptacidum seminis.-'' — Near the ovarial end of each duct a small 

 rounded lobe {r.s), less than the diameter of the duct in height, may 

 be observed, caused by a simple loop of the inner epithelial tube, 

 which here becomes somewhat attenuated (as is well shown in 

 fig. 17). At the place where the angles of the loop are in contact the 

 epithelial walls are very thin, and in a series of sections through the 

 original of fig. 17, cut parallel to the plane of the paper, I found a 

 small opening here (at /) allowing the lumina of the portions of the 

 duct on each side of the loop to directly communicate with each 

 other, independently of the longer channel of communication through 

 the lumen of the loop. I found this opening in only one section and 

 did not observe it in the loop of the other oviduct, so I am unable to 



* This organ had previously escaped notice, owing to the defective preserva- 

 tion of the original specimen I dissected. It w^as, therefore, erroneously stated 

 in my previous paper that there was no receptaculum in 0. cinctipes. 



