Jourii, of Aiud, and Phijsiology, Jmi. 1901.] 



1 A 



[Plate .MIL 



\i.C' 



\lL." Jx 



PC. 



M S fl. 



S.C.I. 



Il.C. 



Flexor miiscles of the tail in a young kangaroo, seen from tlie front and slightly from the 

 left side, after wide separation of the symphysis. O.X., obturator nerve ; LA,, ex- 

 ternal iliac artery; P.P., psoas parvus; M.S.A., middle sacnil artery; lL.C.,"ilio- 

 coccygeus arising from ilio-pectineal line (upper division); S.C.L, sacrococcygeus 

 internus ; II C, ilii-coccygeus (middle division) ; Il.C"., ilio-coccygeus (lower divi- 

 sion) ; S.C.E., sacro-coccygeus e.xternus ; LC, coccygeus ; P.C., pubo-coecygeus. 



Di; P. Thompson. 



