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DR. P. CHALMERS MITCHELL ON THE 



Text-figure 1 

 FfM-mi 



Text-figure 2. 



Kuee-muscles of Hallus longirostris. Knee-muscles of Aramtis seolopaceus. 



Musculature of knee ; right leg, internal view. 



FJSM.-TIB.-I. Internal separate slip of femoro-tibialis (vastus internus). 



-IT. Ligament from femur to tibia. 

 F.I.F. Pub-ischio-femorales (adductors). 



C.I.L. Caud-ilio-flexorius. C. I.L.I. Femoral insertion of caud-ilio-flex- 

 orius (accessory semitendinosns). C.I.L. 2. Seniitendinosus. 



I.F. Ischio-flexorius (semimembranosus). 



A. 1. Anchor to tibia of C.I.L. 



A. 2. Anchor to tibia of I.F. 

 Gc. 1. External femoral division of gastrocnemius. 

 Oc. 2. Internal femoral divison of gastrocnemius. 

 Gc. 3. Tibial division of gastrocnemius. 

 SOL. Soleus. 



In text-figure 2 the caud-ilio-flexorius has had a piece removed to exhibit 

 the deeper lying Gc. 2. 



The tendinous areas are dotted. 



Text-figure 3 



Text-figure 4. 



Knee-muscles of Otis tarda. Knee-muscles of Seliornisfwlica. 



Description and lettering as in text-figures 1 & 2. 



