AMPHIBIANS AND REPTILES OF BEXAR COUNTY 27 



68. Thamnophis marcianus Baird and Girard. 



Marcy's Garter Snake 

 Eutainia marciana Baird and Girard, Cat. N. Am. Rept., 



Pt. i, 1853, p. 36. 

 This is one of the most abundant snakes in Bexar County 

 and is usually known as the "speckled mouse snake". 



69. Thamnophis proximus (Say) Long's Garter Snake 



Coluber proximus Say, Long's Exped. Rocky Mts., Vol. 



1, 1823, p. 187. 

 Common throughout Bexar County. 



70. Thamnophis sirtalis sirtalis (Linne) ' Common Garter 



Snake 

 Coluber sirtalis Linne, Syst. Nat,. Ed. 10, Vol. 1, 1758, 



p. 222. 

 A specimen in the Scientific Society collection from He- 

 lotes, G. W. Marnock, collector, is of the spotted form somewhat 

 resembling eqnes but without the black nuchal spots and char- 

 acteristic head markings of that species. 



71. Tantilla gracilis Baird and Girard Graceful Tantilla 



Tantilla gracilis Baird and Girard, Cat. N. Am. Rept., 



Pt. 1, 1853, p. 132. 

 Common throughout the county. I found specimens under 

 stones on rocky hillsides and under logs and strips of bark in 

 woods near streams. 



72. Tantilla planiceps (Blainville) Blainville's Tantilla 



Coluber planiceps Blainville, Nouv. Ann. Mus. Hist. Nat. 

 Paris, Vol. 4, 1835, p. 294, pi. 27, figs. 3-3^ 



Mr. Garni in his notes refers to a specimen, probably from 

 San Antonio, in the St. Louis College Museum. Cope mentions 

 one collected near San Antonio by a Mr. Kallteyer and the Na- 

 tional Museum has one from San Antonio received from Messrs. 

 H. H. and C. S. Brimley. This is the snake formerly known as 

 Tantilla nigriceps Kennicott. I found no specimens in Mr. Mar- 

 nock's Helotes collection. 



73. Micrurus fulvius (Linne) Harlequin Snake: 



Coral Snake 

 Coluber fulvius Linne, Syst. Nat., Ed. 12, Vol. 1, 1766, 



p. 381. 

 Elaps fulvius Linne (Cope) 



Marnock obtained many specimens of this beautiful ser- 

 pent at Helotes. It has also been collected at San Antonio. 



