but the cranial grup retain th ir cennedtion to ti e rote and Wolffian 
duct as in sales* llomjrull arc present in both gr-ups of tubules au 
in the aoraaia of both soiob, Thi.. free-nartin resembles the salo in 
longer Btesonephroo and conaction of the onnial tubuios to the ret# 
of the gonad* It roe. nbleo the female in baring the re to lio'ced to hho 
ostiue* but less defi itely so than in the feralc. Ifc© rote is not y«t 
organized into dvfirite tubules* 
The 9*0 oss. fres-rartin £o* 2 (Fig* 21) has ei cre reduced cranial 
tubules but a total length greater than Id feralec* The o&ud I group 
of tub los 1c not so shrunken a In ;,o*l, lb?? connection of rets 
and cosloe it enall rr t;. |jb the feoalo, but ilia ret;? is c msocted 
t the clffiun duct by the cranial group of tubules and glomeruli 
are preaent. 
The 11.75 on. free-®artir. (Fig* £g) haa a sari?oa c n triction 
of the scaonophroa between the cranial and caudal groups of tutu los. 
In one place there in but a single tubule in crone-taction between 
tber. Ib© cranial tub Ira per at without any connection to a 
Volff i ri duct, which ia wanting in t i - re ion of t‘is free- martin* 
The ductuli effarentee a a ; rm t *nd h rate is ccnnectt i t the 
hydatid of Korgagni or osti -a rornant, and only to th« posterior fee 
tubules of the cranial group* Though iso olffian duct co id be dia- 
t ogulched from tna tub les, it probably ©si ts coiled upanong thee* 
Posterior to the gonad* tubules are acre numerous and a fe» degenera¬ 
ting glomeruli ary to be found, but n~ « ! oiffiaa duct• ;he Wolffian 
body as a ml cle is almost as s all as that Of a 15.0 ©a, fermlo, 
but degenerate© in the solo runner, aft r losing its ducts ao such 
ac a 16*0 c~* feral© (fig* 9)* 
the C3. (Fig. fid) froo-sartin has a such shortened meso¬ 
nephros in which the cranial group of tubules sees® to be involved 
in the retreat of th© f pmad» for it« epididymis and th^ car al group 
appear dorsal to the era ial ones# be ret© har> lost its connection 
to the hydatid, but retains it to tho crauialgroup of tub los and 
thua to the Wolffian duct, Sloaoruli are ab.-ont* ther ia sore 
