520 



MR. T. H. BUBLEND ON THE UBOGENITAL 



Text-fig. 46. 

 lu. 



[Mar. 1, 



par. 



ax. 



Cm. 



Transverse section of sperm-vesicle in region IV of text-fig. 41. 



ax., main channel of the sperm-duct much divided up ; cm., circular layer of 

 muscle-fibres ; lu., cavities between the partitions, containing widely separated 

 spermatozoa in a pale green fluid ; m.s.' ', the last five ducts passing from 

 Leydig's gland to sperm-vesicle ; par., partitions projecting from the vesicle- 

 wall in this region. 



Text-fig. 47. 



b.v. 



s P : 



c.f. 



Transverse section of sperm-vesicle in region V of text-fig. 41. 



ax., main channel of the sperm-duct much divided up ; b.v., blood-vessel ; c.t., con- 

 nective tissue; m.s.', ducts passing from Leydig's gland to sperm-vesicle; 

 sp.", diverticula filled with free spermatozoa mixed with a large amount of the 

 secretion from Leydig's gland. 



