FEET OF DOMESTIC DOGS. 481 
second and fifth to the outer proximal angles of the third and 
fourth. The edges of the web are thick and elastic, and the 
elasticity keeps the toes in a compact mass when the foot is slack, 
but permits their separation under the weight of the standing 
Text-figure 1. 
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A. Left fore paw of Clumber Spaniel, from below. 
c., carpal pad; p., plantar pad; d2, 13, d4, @5, digital pads of second 
third, fourth, and fifth digits; 2w., web. 
B. The same, from above. 
gl., glandular pocket at base of digits. 
C. Piece of integument of the interdigital web, showing tufted growth of 
hair (diagrammatic, the hairs cut quite short). 
animal and particularly under the pressure of running. The dog 
eannot voluntarily expand its toes by overcoming this elasticity 
when the foot is lifted and, as Mr. Sidney Turner pointed out to 
me, pressure against the water in swimming 1s insufficient for the 
