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 ? 
Fie. 177.—First and Second Vertebre of Man. A, axis; 8, 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 asin man? (See Fig. 174.) 
How many toes do you find? How does their 
number compare with those in man? Inthe cat? In 
the horse? Inthe frog? In the turtle? 
