298 ov Royal Society :--= 
tendons unite into a common tendon halfway down the posterior 
side of the eanneon bone of the bird. 
The cross sections of these two muscles are shown in the 
annexed figures, taken as in the human subject (figs. 7 and 8). 
Pig 1 : “Fig. 2 
Fn) 
Biceps (long head). 
Fig. 3. Fig. 4. Fig. 7. : 
Flexor perforans. (Rhea.) 
Fietor hallucis. hea) o 
Fig. 6. } 
Senritendinosus. Semimembranocus. 
= 
Gracilis, Sartorius, ~"< == 
- The areas of these cross sections were found to be as 7 to 4 
160 ; or the less. was 65 stg cent. of the greater. LO) ie a 
