MAN'S NEAR RELATIVES (MAMMALS). 
219 
The Fore Limbs. The bones of the fore quarter of 
a sheep fastened to a board in their proper positions 
serve well as the objects of this study. 
Do you find humerus, radius, ulna, carpal bones, 
metacarpal bones, and phalanges ? 
B 
Fig. 177.—First and Second Vertebrae of Man. A, axis; B , atlas; 6,6, 
sockets for condyles. 
Do you find the same number of carpal and meta¬ 
carpal bones as in man ? 
How many fingers do you find ? How do they 
compare in position and length with those of man ? 
What difference in use corresponds to the differ¬ 
ence in structure of hand and wrist in the sheep and 
man ? 
In the pectoral girdle do you find shoulder-blade 
(scapula) and collar-bone (clavicle) as in man ? How 
do you account for the difference ? 
Drawing. Sketch of the fore leg of the sheep, 
naming the parts. 
The Hind Limbs. Do you find femur, tibia, fibula, 
tarsal bones, metatarsal bones, and phalanges ? 
Do you find the same number of tarsal and meta¬ 
tarsal bones as in man ? (See Fig. 174.) 
How many toes do you find ? How does their 
number compare with those in man ? In the cat ? In 
the horse ? In the frog ? In the turtle ? 
