1906.] 



SYSTEM OF CERTAIN SPECIES OF AXURA. 



1023 



close to it, as in the first pair in R. hexadactyla. In cases noted 

 the gonads were supplied as follows, the number of urogenital 

 arteries present in each case being placed in brackets : — 



(1) Testes :— 



R. ter)iporaria, one specimen (10 pairs) : genital arteries from 



the first four on each side. 

 B. mauritanicus (3| pairs) : from the first two on each side. 

 R. cateshiana (6 pairs) : mainly from the first artery on 



each side, but also partly from the second and third. 

 R. tigrina (8 pairs) : from the first artery on each side. 



(2) Ovaries: — 



B. horeas (5 pairs) : fi-om the first four on each side and also 



on one side from the fifth. 

 R. hexadactyla (41 pairs) : from the first two on each side. 

 R. clamata (4| pairs) : from the first three on each side. 



Text-fig. 149. 



^;0CL. 



^ana hexadactyla, ? (X 2). 



Ventral view of Aa. urogenitales, &c. 



(For explanation of tlie lettering, see p. 1033.) 



In the three individuals in which they were examined, the 

 oviducts were supplied by separate branches from the Aa. renales, 



