38 



MR. F. E. BEBDARD ON THE 



[Jan. 16, 



are three. This reduction is in consonance with the generally 

 received opinion as to the much modified character of the Yiperidse 

 as compared with other Serpents. 



Text-fig. 9. 



Text-fiff. 10. 



l.i/.l/ 



:\ 



Text-fig. 9. — Veins of neck of newly-born Bitis nasicornis. 

 Az. Azygosvein; JET. Heart; H.V.V., L.V.V. Riglit and left vertebral veins. 



Text-fig. 10. — Veins in region of kidney of newly-born JBitis nasicornis. 



a. Anterior termination of testis in a fibrous band; L.'K. Left kidney. Sr.v. 

 Suprarenal portal vein ; Sr. Suprarenal body ; T. Testis ; V.H.aff. Afferent 

 renal ; V.B.eff. Efferent renal. 



