/// /: M A LE c, i: \ I r n. 1:< . . i \ > . 



857 



In all sjx'cit-:, the descent of tho testicle nmiiiieuces before birth : in the 

 Bovidie it is even achieved in tho early months of intra-uterino existence. 

 In Solipeds, however, tho testicle most frequently remains in the inguinal 

 canal until tho animal is from six to ten months old. 



399. 



mi: INII.KNAI. QEN1TO-URI5 -\\ \rn. i.ivi:i:, AND si: 



is Tin: i a H M:I:. 



R, Left kiliifv; V, Bladder; T, ! . Si>-riiiati.- artery; O, Gubernaculum 



: i', K|>ididyiiius tin- Irtti-r is j.lairl in tin- i-i-ntri- "('the serous l.-iyi-r which 

 >II-|M : ,-le and >]Tin:itii Vfs-.-U t'n.in tin- Mildiiintiar r-i;ii>n, and after 



th.- il.-Mcnt i.f tin- '.'hind, forms the tYii-niim tftwi-t-u thi- two layers in the \ 



; i . Stuin i-h : i, l.iv.;r;/, Ix)l)Mn Sjii^-lii; I 1 , Vena portv ; c\ t'mhilioal 

 ', ['inl.iiir.il v.-in ; o', Intrahejmtic course of that v.-m. indicated by a double 

 dotted liiii-. 



FUNCTION. Tho testicles secrete tho spermatic (or seminal) fluid. Pure 

 semen, such as is derived from these glands, is a white, viscid, odorless, 



