66 ELEMENTS OF MAMMALIAN ANATOMY. 
The femur, or thigh-bone, may be recognized by its 
spherical head with a pit for the attachment of the liga- 
Fic. 40. Caupat ASPECT OF Fic. 41. ANTERIOR OR 
Femur. CRANIAL ASPECT OF 
ex. tub, External tuberosity ; int. Ricur Trista, ig 
tub, internal tuberosity; cx. at, Articulatory sur- 
end, external condyle; int. face for the astrag- 
cnd, internal condyle; 7. cnd. alus; cr, crest; et, 
t, intercondylar notch or external tuberosity ; 
fossa; intch. yr, intertro- fc, facet for articu- 
chanteric ridge; g. trch, lation with the fib- 
greater trochanter; hd, head; ula; im, internal 
lin. as, linea aspera; 1. trch, malleolus; it, inter- 
lesser trochanter; nk, neck; nal tuberosity; lg, 
pit, pit for the ligamentum ligament of the 
teres; tr. fos, trochanteric patella cut off; tb, 
fossa or digital fossa. tubercle. 
mentum teres which aids in holding the head in the ace- 
tabulum. 
