424 On Cjlindroiulus (Leucoiulus) nitidus [Verhoeff). 



gonopod, curves round so that its tip appears in repose above 

 the delicate part of the posterior t^onopod behind the hooked 

 portion d. The actual breadth of the posterior gonopods at 

 L-L in the specimen figured is 0'210 ram.^, and that of the 

 whole organ (anterior and posterior gonopods of one side 

 together) is '4 mm. 



Fi?. 8. 



Anterior and posterior gonopods, internal profile. X 140. H. K. B. del. 



We are deeply indebted to Monsieur le Docteur Henr}'- W. 

 Brolemann for his very careful examination and report upon 

 our material. Drawings of the gonopods which he furnished 

 have been invaluable in the preparation of the illustrations 

 which accompany this paper. 



We must also express our best thanks to Miss Simpson^ of 

 Darwen, for her assistance in translation. 



The Victoria University of Manchester, 



* Dr. Brolemann'a measurement. 



