530 AITKNDJX. 



Wings {Cotilinued). 



95. Edge of the ^7lng {Camptcrimn ; Margo carpi). The smnll feathers covering the an- 



terior cilgu of the wing, both along the forearm and the hand or lirst joint, inehidiiig 

 tiie bead of the wing. 



G. The Legs {Pedes). 



96. Legs {Pities). The posterior pair of limbs inserted in the pelvis, and used in walking or 



running. 



97. Tbigh (Femur). The basal joint of the leg, its head artienlating with the pelvis. This 



is generally ini'iedded in the llesh, and covered by the skin so as not to be appreci- 

 able, es])eeially i.i the prepared speeiniun. 



98. Shin (Tibia), Tl.;i second or middle joint of tlic leg, nrtienlutcd above to the thigh, 



below to the tarsus. 'I'he upper part, soniri .os the whole, is envelojx'd in flesh, 

 and covered by skiu and feathers ; sometimes the lower extremity is covered by lioriiy 

 plates, ilio 



99. (Cuemidium), 



100. Foot joint ( I'oeldrllmim). The junction of the tarsus below with the foot. 



101. Podotheca (Pwlollimt). The horny or skinny covering of lower tibia, tarsus, and feet. 



102. Knee ( Gmu). The junction of the thigh with the leg, usually concealed by the skin. 



103. Heel joint (Siiffhiyo). The junction of the leg with the tarsus. 



103i. Tarsus ( 'J'arsus). The third joint of the leg and next to the tibia ; covered generally 

 with horn, sometimes with naked skin or feathers, never with tlesh ; the toes are ar- 

 ticulated to its lower extremity. Tlii-* joint corresponds to the ankle joint of the human 

 body. 



104. Instep, or Front of tarsus (Armlar.iiiim). The anterior face of the tarsus, 



usually covered by small jilaics, which in the higher groups are united into one; 

 sometinu's covered by skin. 



105. Side of tarsus (fum'um'uni) ■ 



106. Back of tarsus {Phinta larni). Ilomologieally the Sole (PItmta). 



107. B.ee\ (Oi/iannia: Talus). The upper [wsiirior extremity of the tarsus. 



108. Spur (Culrnr). Any bony sharp process or 8i)ine implanted on the tarsus, as 



in the rooster. 



109. Scutellae (Srntelln). The succession of small, tisually rectangular plates, applied 



against the anterior face of the tarsus, and the upper surfnce of toes. These 

 sometimes encircle the tarsus coin|iletely, meeting on the inner side ; sometimes 

 reach half round with similar half rings on tlie buck side of the tarsus ; are some- 

 times divided into polygonal plates; arc .sometimes fused into a continuous plate, 

 either anteriorly or laterally. Modifications of structure in this resi)eet indicate 

 diflcrcnces in rank ami systematic ]iositi(m of the highest v.iUie. 



110. Scutellate tarsus. When the tarsus is covered with transverse or polygonal 



scales, as de-eribed above. 



111. Booted tarsus. Where the anterior face is covered with a continuous liorny 



plate not divided into .scntella'. 



112. Foot (Pes). The toes aiul tarsus taken together. 



113. Top of foot {A<Ti)po(liii)ii). The entire upper surface of the foot. 



114. The track (/Vhhi). The entire lower surface of the foot. 



115. Heel pad (P/cnidi Tuber). The posterior portion of the ;ie/ma, immediately under 



the joint of the foot, and frequently prominent. 



