NO. 2 THORACIC MECHANISM OF A GRASSHOPPER SNODGRASS 63 



71b 



--Fm 



Fig. 36. — Leg musculature of Dissosteira. 



A, posterior view of muscles in proximal part of right fore leg, including coxa 

 (Cx), trochanter (Tr), and base of femur (Fm). 



B, anterior and ventral muscles of tibia arising in femur and trochanter of left 

 middle leg. 



C, cross-section near middle of second left tibia, proximal surface of distal half, 

 showing positions of tibial muscles. 



D, dorsal view of trochanter (7V) of left hind leg, showing anterior and pos- 

 terior coxo-trochanteral articulations (/, g), and levator muscles of trochanter 

 arising in coxa. 



E, dorsal view of femoro-tibial joint of left middle leg, showing anterior and 

 posterior articulations (/, in), and bases of levator muscles of tibia. 



F, corresponding view of femoro-tibial joint of left hind leg. 



