Figures <to illustrate Muscles of Thigh. 



Outer view of right thigh of Common Fowl, partially dissected. (Copied from 

 Garrod's figure, P. Z. S. 1873, p. 627.) 

 ,^, sartorius ; ve, vastus exteruus ; bo and bi, biceps, origin and insertion ; f.f, tensor fascia 

 (gluteus primus) ; fc, femoro-caudal ; afc, accessory femoro-caudal ; si, semitendinosus ; asi, 

 accessory semitendinosus ; sm, semimembranosus ; Ad, adductor ; P, pubis ; B, rectrices. 



6. 



Thigh of Tonraco ( Corythaix) viewed from tlie inner side, to show the ambiens muscle, 

 arising from the prepubic side of the pelvis (P) and running along to blend with one 

 of the tendons of origin of the flexor perfor. digitorum (f.p.).—F, femur ; Ft, patella; 

 I.e., inner condyle of femur ; T, tibia ; b, biceps (cut short) ; s, sartorius (also cut) ; 

 e, e, extensor femoris ; S7n, semimembranosus ; add, adductores. 



N-B. — The surrounding parts have been somewhat distorted from their natural positions 

 to show better the course of the ambiens. (Copied from Forbes's figure, Ibis, 1881, p. 9.) 



