CROCODILIANS, LTZAWDS, AND SNAKES. 1163 



The top of tlie head is light brown, with occasional lihujk scales, A 

 dull yellowish streak starts at the posterior edge of the superciliary 

 plate, and passing obliquely backward, through two rows of scales, 

 extends to the angle of the mouth. A second band starts on the plate 

 in advance of the superciliary, and crossing the anterior orbitals, 

 expands till it involves the seventh, eighth, and ninth upper labials. 

 Interval l)etween the first two stripes dark brown. There are also 

 indications of a second vertical light bar in front of the nostril, and 

 two below the ]>it. Kostral dark yellowish, lighten- in the margin. 



Cat. Nos. Scales. IJppor liibhils. Gastrostegca. ITrostogoa. Length. Tail. Rattle. 



mm. tniii. mm. 



250 28. 15. 168. 31. 1208. 145. 44. 



252 27. 11-5. 176. 16. 



4393 28. 15. 178. 26. 



14139 29. 15. 179. 22. 



The largest specimeu now in the U. S. National Museum is 6 feet in 

 length, or 2.025 mm.; the tail measures 235 mm., of whi(;h the rat- 

 tle is 70 mm. The latter, though broken, has twelve joints and a but- 

 ton. The rhombs on the posterior part of the body are very obscure, 

 and the tail bands are not so black as in younger specimens. Professor 

 Holbrook mentions specimens of 8 feet in length and Admiral E. Y. 

 McOauley, U. S. N., assures me that he has seen specimens of that size 

 on the island off Pensacola, Florida. This is, then, the most bulky of 

 the venomous snakes. The Najid Ophiophagus hnmjarus exceeds it in 

 length, but is a slender snake. 



Crotalus adamanteus adamantetis Beauvois. 



Catalogue 

 No. 



250 

 270 

 252 



4203 

 10550 



4393 



9501 

 9625 

 9208 

 14139 

 10067 

 10821 

 10820 

 10818 

 10542 

 10825 

 10826 

 12082 

 14792 

 14819 

 14825 

 14841 



Number 

 of speci- 

 mens. 



Locality. 



Charlo.stOTi, South Carolina 

 Saint Au"'iiatiiie, Florida 

 Jacksou, North Carolina. 



Arkausas 



Gainosxillc, Florida 



Arkansas 



Charleston, South Carolina 



San ford, Florida 



Sauford, Florida 



15rookhavon, Mississippi 



I'ilot Town, Florida 



Gulf naniinock, Florida. 



Gainesville, Florida 



do 



do 



When 

 collected. 



Apr. 18,1881 



-, 1879 



Apr. —,1879 

 Mar. —,1881 

 .... do 



From whom received. 



Dr. S. B. Barker . 

 J.C. n. Snell.... 

 Fitzgerald 



James Hell 



Colonel Kearney . . .. 

 Dr. G. E. Manigault . 



.do 

 -do 

 .do 



(?) : 



Gainesville, Florida I 



Fort Wingate.New Me.xico 



Gainesville, Florida 



do 



D. S.Way 



T. J. Keenan ... 

 C.C. Nutting... 

 AV. J. Cameron , 



James Bell 



do 



James Bell 



Dr. K. W. Shufeldt . 



James Bell 



do 



Nature of 

 si)ecimen. 



Alcoholic. 



do. 



do. 



do. 



do. 



do. 

 Skeleton. 

 Skin. 

 Casts. 

 Alcoholic. 



do. 



do. 



do. 



do. 



do. 



do. 



do. 



do. 



do. 



do. 



do. 



do. 



do. 



