490 



ME. J. GRAHAM KERB, ON 



[Nov. 19, 



testis, to arch outwards and sink into the kidney-tissue, to approach 

 the kidney-duet and run back parallel to it on its inner side for a 



Text-fig. 52. 



Transverse section throiigli the genito-urinary complex of left side of a 

 breeding male Lepidosiren, 



A.V. Afferent vein of kidney. 

 E.V. Efferent vein. 

 Kj. Kidney (mesonephros) with black pigment in its cortical layer. 

 T,. Vesicular region of testis. 

 V.E. Vas effei'ens. 

 W.D. Wolffian duct. 



The kidney and testis are seen to be imbedded in fatty tissue. The peculiar 

 fibrous appearance of the contents of the large veins is due to the presence of 

 crystals of haamatein. 



