Fig. 10. A,B. Semidiagrammatic drawings of the peroneal nerve of Tympanuchus pallidicinctus 1L, showing the distribution of the branches. × 2. C. Semidiagrammatic drawing of the distal part of the peroneal nerve of Tympanuchus cupido attwateri 1R, showing the distribution of the branches. × 2. 1,2, M. tibialis anticus (tibial head); 3,4, M. tibialis anticus (femoral head); 5, M. extensor digitorum longus; 6, nonmuscular; 7,8, M. peroneus longus; 9, M. peroneus brevis; 10,11, M. extensor hallucis longus (proximal head); 12, M. extensor hallucis longus (distal head); 13-15, nonmuscular (to toes); 16, M. abductor digiti II; 17, M. extensor brevis digiti III; 18, M. extensor brevis digiti IV.
Fig. 11. A,B. Semidiagrammatic drawings of the tibial nerve (excluding the paraperoneal branch) of Tympanuchus pallidicinctus, showing the distribution of the branches. × 2. A. T.p. 1L. B. T.p. 3R. C. Semidiagrammatic drawing of the distal part of the paraperoneal branch of the tibial nerve of Pedioecetes phasianellus jamesi 2L, showing the distribution of the branches. × 2. 1, M. femorocruralis; 2, M. gastrocnemius pars media; 3, M. popliteus; 4, M. plantaris; 5, M. flexor digitorum longus; 6-8, nonmuscular; 9-11, M. gastrocnemius pars interna; 12,13, M. flexor hallucis longus; 14-16, M. flexor perforatus digiti IV (medial head); 17, M. flexor perforatus digiti III (medial head); 18-20, M. flexor perforatus digiti II; 21, M. flexor perforatus digiti IV (lateral head); 22-24, M. flexor perforatus digiti IV (anterolateral head); 25, M. flexor perforatus digiti III (anterolateral head); 26, M. flexor perforans et perforatus digiti III; 27,28, M. flexor perforans et perforatus digiti II; 29, M. gastrocnemius pars externa; 30,31, M. abductor digiti IV; 32,33, M. flexor hallucis brevis; 34,35, nonmuscular (to toes).
[MUSCLES]
In the accounts of the muscles the name used by Hudson, et al. (1959) for each muscle is given in parentheses after the name used by me if the two differ.