296 



Mr. H. A. Baylis on some 



ventral excretory olaiul has been discovered. In this con- 

 nection it is notewortiiy that, accordino- to de Man, this organ 

 does not exist in the type-species of the genus. 



Fijj. 4. 



cc-w^":' 



Dulickolaimm vaUentini. Posterior eud of male, lateral view, 

 highlj' magnified. 



A., anus; A.P., accessory piece ; C.G., caudal glands; P., preanal 

 papilla of riglit side; S., spicule of right side. 



The posterior end of tlie male is abundantly provided with 

 diagonal muscles. The spicules (fig. 4, S.) are lamellar, their 

 posterior edges having a rib-like thickening. There is also 



