244 PEOF. W. K. PAEKEE OjM THE GALLINACE.dE. 



Fig. 6. Part of same object. Magii. 40 diams. 



7. Phasianus versicolor, embryo % ripe ( = 3rd stage of Common Chick); five anterior vertebrae, 



lower view. Magn. 20 diams. 



8. Same object, upper view. Magn. 20 diams. 



9. Common Chick, 3rd stage (10 days' incubation); pelvis and caudal vertebras, lower view. Magn. 



10 diams. 



Plate XXIV. 



Fig. 1. Common Chick, 1st stage; left leg, oblique inner view. Magn. 15 diams. 



2. The same, 2nd stage ; left leg, front view. Magn. 15 diams. 



3. The same, 3rd stage; tibio-tarsus, front view of lower end. Magn. 15 diams. 



4. The same (Dorking variety) ; tarsus and foot, front view. Magn. 10 diams. 



5. Part of same object, back view. Magn. 15 diams. 



6. Common Chick, 4th stage (12 days) ; ankle-joint, front view. Magn. 10 diams. 



7. Same object, back view of upper part. Magn. 20 diams. 



8. Common Chick, 5th stage (14 or 15 days) ; tibio-tarsus, lower end, front view. Magn. 15 diams. 



9. The same; shank, upper view. Magn. 15 diams. 



10. The same, 6th stage (Chicken 2 or 3 days old) ; ankle-joint, inner view. Magn. 8 diams. 



11. The same object, back view. Magn. 8 diams. 



12. The same, front view. Magn. 8 diams. 



13. Common Chick, 7th stage (33 days old) ; ankle-joint, front view. Magn. 8 diams. 



14. The same object, side view of inner face. Magn. 8 diams. 



15. Common Chicken (8th stage), f year old; tibia and patella, inner view. Nat. size. 



16. The same ; ankle-joint, inner view. Nat. size. 



17. The same (9th stage), old Fowl; top of shank with " centrale." Magn. 2 diams. 



18. The same, old Fowl; first metatarsal and spur. Magn. 2 diams. 



19. The same, old Fowl; tibio-tarsus and spur. Nat. size. • 



20. Euplocamus Horsefieldii ; near time of hatching ; first metatarsal and spur. Magn. 10 diams. 



21. ? The same ; lower part of tibio-tarsus. Magn. 8 diams. 



Plate XXV. 



Fig. 1. Meleagris gallopavo, <$ ; upper xiphoid. Nat. size. 

 la. Tetrao urogallus, $ ; end of sternum. Nat. size. 



2. Common Chick, 1st stage ; sternum, &c. Magn. 20 diams. 



3. The same, 2nd stage ; hip-plate. Magn. 20 diams. 



4. Coturnix communis (ripe) ; pelvis, lower view. Magn. 10 diams. 



5. Turnix rostrata (juv.) ; pelvis, lower view. Magn. 10 diams. 



6. The same ; femur, front view. Magn. 8 diams. 



7. The same ; tibio-tarsus, front view. Magn. 8 diams. 



8. The same ; tarso-metatarsus, front view. Magn. 8 diams. 



9. 9a. The same ; 1st and 2nd metacarpals. Magn. 8 diams. 



10. The same ; lower end of tarso-metatarsus, hind view. Magn. 8 diams. 



11. The same; 1st metatarsal, hind view. Magn. 32 diams. 



12. Common Fowl, 1st summer; part of hip-plate, inner new. Nat. size. 



