MYOLOGY OF OPISTHOCOMUS CRISTATUS. 369 
Fig. 2. Muscles of flexor aspect of left wing (full size). Quills numbered and drawn 
full size - 
. Biceps. 
. Triceps. 
. Extensor plice alaris. 
. Extensor carpi radialis longior. 
. Extensor carpi radialis brevior. 
. Pronator radii longus. 
. Flexor carpi radialis. 
BRwnwme S&S Sa 
5. Flexor sublimis digitorum. 
6. Flexor carpi ulnaris. 
7, 8. Elastic bands connecting the cu- 
bital feathers. 
9. Flexor metacarpi pollicis. 
10. Flexor profundus digitorum. Pal- 
maris tendon has been removed. 
Fig. 3. Muscles of breast and wing (nat. size). 
pt. Pectoralis magnus. Right side 
sectioned. 
pt. Pectoralis secundus. 
pt'. Pectoralis tertius. 
1. Fureulum. 
2. Coracoid. 
3, 3’. Humerus. 
4. Sternum. 
5. Sternal tubercle. 
Sc. th. Scalenus thoracis. 
a, b,c, d. Factors of the extensor plice 
alaris. 
gl. Gullet (sectioned). 
tr. Trachea. 
PLATE LXV. 
Fig. 1. Muscles of foot, ventral aspect (full size). 
. Gastrocnemius. 
. Flexor perforatus of 2nd digit. 
. Flexor longus hallucis. 
. Flexor perforans of 2nd, 3rd, and 
4th digits. 
. Peronzi. 
. Tibialis anticus. 
. Extensor longus digitorum. 
mo be 
“Io or 
8 Flexor perforatus of 5rd and 4th 
digits. 
9. Additional tendon grooved for per- 
foratus tendon of 2nd digit to pass 
through. 
10. Extensor longus hallucis. 
A, B,C, D. 1st, 2nd, 3rd, and 4th digits. 
Fig. 2. Muscles of foot (left). Dorsal aspect. 
. Extensor brevis hallucis. 
. Extensor longus hallucis. 
Gastrocnemius. 
. Flexor perforatus of 2nd digit. 
. Flexor longus hallucis. 
> or oo be 
. Flexor perforans of 2nd, 3rd, and 
Ath digits. 
VOL. IX.—PART vI. December, 1875. 
7. Peronzeus. 
8. Tibialis anticus. 
9. Extensor longus digitorum. 
10. Flexor perforatus of 3rd and 4th 
digits. 
11,12. Extensor brevis digitorum (outer 
and inner portions). 
2 
2D 
