AMPHIBIANS AND REPTILES. 171 
parietal shields to end of tail. Gastrosteges 203 to vent. ‘Tail 
about 7°/, in body, robust, tapering rapidly to horny tip. Color 
in alcohol light yellowish-brown above, base of each scale dusky 
so that outline of each is emphasized in pale color. About 34 
dusky-brown or blackish saddles over back, at first obsolete and 
scarcely defined till about after first half in length of body after 
which they are very sharply defined against pale color of upper 
surface. ‘This anterior more or less dusky uniform ground-color 
CSA 
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Pine Snake. Pituophis melanoleucus (Daudin). 
due to fact that each blotch is marked with a splash of brownish 
on each side on posterior saddles, but progressing anteriorly they 
become more or less yellowish-brown, and pale interspaces are 
but slightly larger. Sides also in this region more or less speckled 
with yellowish-brown. Below in same region on sides, and 
alternating -with blotches of back, are smaller and similar-color 
blotches which disappear posteriorly. Below and also alternating 
are a series of jet-black blotches on each lateral portion of I to 
