FIG. 17. _Tympanuchus pallidicinctus_ 2L. Lateral view of the muscles of the left leg. The following muscles, in addition to those listed for Fig. 16, have been removed: vastus lateralis pars postica, gluteus profundus, flexor cruris medialis (in part), caudofemoralis, flexor perforatus digiti IV, and tibialis anticus. × 1. 402 FIG. 18. _Tympanuchus pallidicinctus_ 2L. Lateral view of the muscles of the left leg. The following muscles, in addition to those listed for Fig. 17, have been removed: patellar tendon, iliacus, iliotrochantericus medius, flexor cruris lateralis, flexor cruris medialis, flexor ischiofemoralis, adductor superficialis, femorocruralis, gastrocnemius pars media, flexor perforatus digiti III, flexor perforatus digiti II, flexor hallucis longus, plantaris, flexor digitorum longus, popliteus, and extensor digitorum longus. × 1. 403 FIG. 19. _Tympanuchus pallidicinctus_ 2L. A. Posterior view of the muscles of the left shank. The following shank muscles, in addition to those listed for Fig. 17, have been removed: gastrocnemius pars media, flexor perforatus digiti III, and flexor perforatus digiti II. × 1. B. Posterior view of the proximal end of the shank, showing the most deeply situated muscle. × 1. C. Lateral view of the head of the left femur and the middle part of the pelvis, showing the deepest part of M. obturator. × 1. D. Medial view of the posteroventral part of the left side of the pelvis, showing the intrapelvic part of M. obturator. × 1. E. Anterior view of the left tarsometatarsus, showing the dorsal intrinsic muscles of the foot. × 1-1/2. F. Posterior view of the left tarsometatarsus, showing the ventral intrinsic muscles of the foot. × 1-1/2. 404