u 
NORTH AMERICAN BA TRAC III A AND REPTILIA. 
23. O. getulus , var. sayi , (Holb.) Cope. King Snake. 
Above black, with a yellow spot in the center of each scale; 
these spots sometimes form interrupted transverse lines across 
the back; the scales between with indistinct or obsolete spots; 
abdomen yellowish white with black blotches; G. 210-225. 
From Alleghany to Rocky Mountains, north to Illinois; Wis- 
consin (Hoy.) 
b. Predominating color not black. 
24. 0. doliatus , subsp. doliatus , (Linn.) Cope. Corn 
Snake. Color red (in alcohol, yellowish); back crossed by 
pairs of narrow T black lines, between which are yellow ones; the 
lines of each pair separate on sides and become confluent with 
the nearest one of the adjacent pair; abdomen varied irregu- 
larly with black; G. 190-215. Maryland to Kansas; Illinois, 
Arkansas, Louisiana, and Texas. 
25. 0. doliatus , subsp. coccineus , (Schl.) Cope. Red Snake. 
The same as last, except that the black lines are not confluent 
with those adjacent, but form black rings extending around the 
body, the ends of which sometimes meet oh the abdomen and 
sometimes not; G. 180-210. Florida to Hew Mexico ; Kansas; 
Illinois. 
26. 0. doliatus , subsp. triangulus, (Boie.) Cope. Milk 
Snake. Color above grayish ash, with a dorsal series of about 
fifty chocolate blotches and two other series on each side. The 
dorsal ones about four scales long and 12-15 wide, separated by 
intervals of one and one-half to two scales; beneath yellowish- 
white, with Square black blotches; G. 200-215. Virginia to 
Canada; Iowa and Wisconsin. 
27. O. rhombomac/ulatus , Holb. Color above light chest- 
nut, with a dorsal and two lateral series of darker rliomboidal 
blotches; the dorsal ones, about fifty in number, one and one- 
half to two and one-half scales long, six or seven wide, and 
separated by intervals of about three scales; beneath reddish- 
yellow, obscurely blotched with light brown ; G. 200-205. 
North Carolina, Georgia, Illinois. 
B. Dorsal rows 25. 
28. O. calligaster , Say. Above light olivaceous brown or 
gray, with a dorsal series of about 60 subquadrangular, emargi- 
nate, dark chestnut-brown blotches from head to tip of tail ; two 
smaller lateral series on each side. Illinois to Kansas and 
Arkansas. 
