MR. ST. G. MIVART ON THE ANATOMY OF ECHIDNA HYSTRIX. 
Puare LIII. Muscles of the posterior limb of Echidna hystrix. 
Fig. 1. Inner surface of posterior limb. 
PS.P. Psoas parvus. 
I. Iliacus. 
S. Sartorius. 
P. Pectineus. 
R. Rectus femoris. 
V.I. Vastus internus. 
A.B. Adductor brevis. 
A.M. Adductor magnus. 
G. Gracilis. 
S.M. Semimembranosus. 
S.T. Semitendinosus. 
B. Biceps. 
G.MX. Gluteus maximus. 
T.A!, Tibialis anticus (inner portion). 
PLA. Plantaris. 
T.P. Tibialis posticus. 
G.O. Gastrocnemius. 
SO. Soleus. 
FL.D. Flexor longus digitorum. 
Fig. 2. Outer surface of posterior limb. 
G.MX. Gluteus maximus. 
G.MD. Gluteus medius. 
G.MI. Gluteus minimus. 
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R. Rectus parer 
V.E. Vastus externus, 
B. Biceps. 
T.A!. Tibialis anticus (inner portion). 
T.A2, Tibialis anticus (outer portion). 
E.L.H. Extensor longus hallucis. 
E.L.D. Extensor longus digitorum. 
Fig. 3. Deeper muscles of outer side of posterior 
limb. 
TT.A!, Tibialis anticus (inner portion). 
T.A2, Tibialis anticus (outer portion). 
E.L.H. Extensor longus hallucis. 
E.L.D. Extensor longus digitorum. 
P.L. Peronæus longus. 
B. Biceps. 
