ulon.- ti\Q axis o the olf fieri .uct i:; tp assaina1 aside reg on. 
In the froe—auriin the openi t f ti e a -cts nt- tns sinus is 
sor.et- '3 direct, tu. i t. a ils, .me :• distil. : t t; v. va,;ins first, 
as ir. the fer al®, .hi.. t..-ar; r r: i<i 4 iDi. * t< e ctat® of* ether orgars 
in refer® - c® to tr.e decree o infiu :-rco of * he rials horcon®. It is 
3ore lik tho rul.• ??: or® V.e other part, are ,.cro affected. 
Ii.o free- art !u ciffian .net derivatives j»o® pro, roorive modi¬ 
fication o- a feral- ; rly oi ’ fsrantiaiio toward a c^ie later dif¬ 
ferentiation, under t 5 inf. icnce of a ;i ie ho men®. ire a te ree of 
this odi icati ■*. *p- : ears to dmpG’.d on the tir e of inception of' the 
horr.0- o and tr.e time • i la o.- r. * at inception to tfe sts o s*u::ied. 
, c ulloriiuj . acts ..i.- .‘heir derivative . 
T-. tho indifferent sta^ ;- tr.e Siberian jueio fc .n to devalo? 
at stout ." c • an a . li-r.t thick®r;i\ c of *i e co^lon ® ithelium on 
t e v^ntro- adial surface of the Wolffian duct ri(do t one- 
luarter cf the ;ji + a c tack frois the .t-orior an: o ‘.he mesonephros• 
but no inva inati r. i tc fe<. -n. , t !•* cm. the or- ties* tuba® at- 
jo* 1 ; .ir at;.: ir.t r.or and : f th-. tube haVv ee fc u •. t- f.rn. .ho tube 
develops by a. infoldin* of tr.o ccaicv:. vail on trie v tro-lot ral 
surface of tho mo aphres ju t re .trui to the olffiau. iuct. i’roc 
the first i 4 lini- di f f sr.* fr the ccelc e ithallus ar.i from that 
of the o.-tiun, Ih. e iti. ilii. is colu-’.ar, but not n thick a that 
of the ortiur, h.r o tiu li n .tout one-.carter of the sesoaephros 
lar.i tt back fr its ant rior end as : ®r ; schickir (*1 ) finds in his 
1.: cm. e tryo. at 1. on. the loot appear at it pe terior end as 
an infold ir., or thickening of tr. e: * ei.xl trail of tr.e olffion 
duet, an.; >:* in-.h; for ar 1 bo ter® -n thi fall and tho cooloa & itfeeiiua 
as a distinct cord of a diff® ant *.Itheliu , more eolu nar than eifcho 
of the oth re. It ha#: no or ; . anissd lum* 
in i v . po t-r-or ... n ■ cn the 
