BRANSON : SNAKES OF KANSAS. 



395 



tirely terrestrial in its habits. Smith (21. 097) states that it is 

 aquatic. All the specimens in the Kansas University museum 

 were taken either iu water or in the vicinity of water. Hay (16. 

 497 ) states that it is ovoviparous, but the evidence that he gives 

 is not conclusive. 



OPHIBOLUS Baird and GiRAnn. 

 Lnmpropellin Fitzinger, Syat. Kept., 184.3, p. 25. 

 OiMboluf: Baird and Girard, Cat. N. Amer. Rep., Pt. I, Serp., 1853, p. 82. 



Scales in 19-25 rows, smooth with two apical pits. Loreal 

 present. One preocular. Two nasals. Anal entire. Maxil- 

 lary teeth slightly longer posteriorly. Head little distinct. 



KET TO KANSAS SPECIES. 



I. — Scales in 25 rows; color brown; a median dorsal and two lateral rows of 

 spots O. calligasler. 



II. — Scales in 21-23 rows: color black, with small white or yellow blotch in the 

 center of each scale O. gefulus. 



III. — Scales in 21 rows; rings around the body, or body spotted with brown. 



O. doliatiia. 



Ophibolus calligaster Say. 



Evans's Kiug Suakp. 



Coluber caUignster Say, Harlan's Med. and Phys. Res., 1835, p. 122. 

 Coluber fpiltcUus Schlegel, Ess. Phys. Serp., II, 1837, p. 1G8. 

 Ophibolus evnnsli Kennicott, Proc. Acad. Nat. Sci. Phila., 1859, p. 99. 

 jMrnpropelHs calligaster Cope, Proc. .■Xcad. Nat. Sci. Phila., 1860, p. 225. 

 ' Ophibolus caUigasier Cope, Check-list N. Amer. Batr. Rept. , 1875, p. 37. 

 Cornelia calligaster Boulenger, Cat. Snakes Brit. Mus., II, 1894, p. 198. 



Fio. 21. 

 Ophibolus callifjaster Say. 



Dorsal scales smooth, thin, in twenty-four rows. Outer row 

 widest. Frontal as long as rest of muzzle. Two nasals. Loreal 

 quadrate. Oculars 1-2. Temporals 2-, 2-3. Upper labials 



