CR0C0DILIAN8, LIZARDS, AND SNAKES. 



1023 



and notched at the tip; those of the first row distinctly wider than the 

 others, and very indistinctly or not notched at the apex, although 

 strongly keeled. 



Deep brown to black above and on the sides; beneath greenish white. 

 Dorsal stripe on one and two half row's of scales, ochraceous yellow, 

 lateral stripe on tiie third 

 and fourth row of scales, 

 greenish yellow or white, 

 markedly different in tint 

 from the dorsal. Sides of ab- 

 dominal scntelhe and first 

 and second dorsal series of 

 the same color as the back. 

 On stretching the skin 

 numerous short white lines 

 are visible. Occipital plates 

 with two small approxi- 

 mated spots on the line of 

 junction. Orbitals whitish. The 

 becomes more yellow anteriorly. 



Baird and Girard give the following numbers of scuta and scutell?e 

 and leii"r!is of tail and total in inches: 



Fig. 277. 



Eut;enia pkoxima Say. 



— 1. 



Between Pecos aud Rio Grande, Texas. 



Cat. No. 7J'>, L'.S.X.M. 



greenish white of the abdomen 



Gastrosteges. 

 178. 

 174. 

 168. 

 170. 

 171. 

 170. 

 178. 

 169. 



T'rosteges 

 115. 

 114. 



Scales T.eugtb. 



100. 



100. 

 105. 

 108. 

 105. 



19. 

 19. 

 19. 

 19. 

 19. 

 19. 

 19. 

 19. 



30i. 



26J. 



29. 



33. 



25^. 



15|. 



19. 



14. 



Tail. 

 10. 



8. 



9. 



7i. 



5|. 

 4. 



Locality. 



Prairie Mer Rouge, Louisiana 



Do 



Do 



Red River 



New Braunfels, Texas 



Near Indianola 



Do 



San Pedro, Texas 



The relative lengths of the tail to the total in seventeen specimens 

 are as follows: Cat. No. 761, three aud five-sevenths; Cat. No. 742, three 

 and four-iifths; Cat. No. 5488, three and one-half; Cat. No. 5180. three 

 and two-fifths; Cat. No. 5487, three and three-fifths; Cat. No. 757, 

 three and one-seventh; Cat. No. 759, three and one-seventh; Cat. No. 

 741, three and one-fourth ; Cat. No. 5484, three and one-third; Cat. No. 

 755, three and one-half; Cat. No. 753, three and two-fifths; Cat. No. 12036, 

 three and one-sixth ; Cat. No. 12110, three and one fifth ; Cat. No. 10726, 

 two and two-fifths; Cat. No. 12900, three and one-third; Cat. No. 

 13010, three and two-fifths; Cat. No. 13011, three and one half. 



In thirty-eight specimens the labials are constantly eight above; in 

 one specimen (Cat. No. 13051) they are eight on one side and seven on 

 the other, and in one (Cat. No. 13050) they are seven on both sides. 



A young specimen of 300 mm. is unspotted. 



The EuUvnia proxima ranges throughout the Mississii)pi Valley to 

 the mouth of the Mississippi Kiver, throughout Texas from Dallas to 



