1014 The American Naturalist. 
BATRACHIA SALIENTIA: 
Bufo alvarius Grd. 
Hyla arenicolor Cope. 
SAURIA: 
Ctenosaura multispinis 
Cope. 
Crotaphytus reticulatus Bd. 
Callisaurus notatus Bd. 
Callisaurus rufopunctatus 
ope. 
Callisaurus inornatus Cope. 
Callisaurus scoparius Cope. 
Uta symmetrica Bd. 
Uta bicarinata Dum. 
Uta graciosa Hallow. 
Sceloporus clarkii B. & G. 
Sceloporus couchii B. & G. 
Sceloporus jarrovii Cope. 
Sceloporus ornatus B. & G. 
Phrynosoma solare Gray. 
Anota modesta Gir. 
Anota maccallii Hallow. 
Heloderma ctum Cope. 
Gerrhonotus multifasciatus 
Cnemidophorus tessellatus 
ay. 
Cnemidophorus inornatus B. 
& T. 
Cnemidophorus octolineatus — 
B.& S 
Cnemidophorus guttatus B. 
& G. 
Eumeces guttulatus Hallow. 
OPHIDIA: 
Glauconia dissecta Cope. 
Glauconia dulcis B. & G. 
[December, 
Glauconia humilis B. & G. 
Lichanura roseofusca Cope. 
Diadophis regalis regalis B. 
&G 
Heterodon nasicus kenner- 
lyi Kenn. 
Zamenis semilineatus Cope. 
Coluber emoryi B. & G. 
Rhinechis elegans Kenn. 
Pityophis sayi sayi Schl. 
Epiglottophis pleurostictus 
D. & 
Ophibolus getulus splendidus 
B.& G 
Chionactis occipitalis Hal- 
low. 
Chilomeniseus  ephippicus 
Cope. 
Gyalopium canum Cope. 
Eutænia megalops Kenn. 
Eutænia elegans marciana 
Eutænia elegans dorsalis B. 
Eutænia augustirostris Kenn. — 
Eutænia nigrilatus Brown. 
Eutænia rufopunctata Cope. 
Eutænia multimaculata 
Cope. : 
Trimorphodon upsilon Cope. — 
Trimorphodon lambda Cope. 
Trimorphodon wilkinson 
Cope. 
Scolecophis emulus Cope. 
Elaps ewryzxanthus Kenn. — 
Crotalus molossus B. & G: 
Crotalus scutulatus Kenn. 
Crotalus lepidus Kenn. — 
Crotalus cerastes Hallow. 
