454- MOURNING SNAKE. 



hardly be admitted that all the figures quoted by 

 Mr. Merreni, in his Bey t rage zur Naturgeschichte, 

 can properly be referred to tliis species. Among 

 the most remarkable are the following, viz. 



1. Serpen.s e.v Lybia. Seb. %. t. 15. This is en- 



tirely white, with a very few small jet-black 

 oblong spots, very distantly scattered over 

 the upper parts, and some narrow black 

 streaks on the fore part of the abdomen. 



2. Serpens Americana elegantissima, rnaculis ni- 



grls notata. Seb. 2. t. 22. It is milk-white, 

 the scales, for about a third part of the 

 whole length, being edged with black ; 

 thus constituting elegant black reticula- 

 tions on that part of the animal : a very 

 few small square black spots are also dis- 

 tantly scattered over the remainder of the 

 body, and on the abdomen are a few dusky 

 markings. 



3. Serpens Mcdock. Seb. 2. t. 4$. Milk-white, 



with reticular transverse black bars on the 

 anterior part of the body, while the hind 

 part is almost entire!} 7 of a dusky brown 

 colour : the lips as in almost all the varie- 

 ties, barred with black and white. 



4. Tojuqua. Seb. 2. t. 105. A large snake ; 



the fore parts variegated with black and 

 white; the hind part black, with transverse 

 bauds of numerous small white spots. 



5. Serpent JEtCulapitM Oriental'^ maximus. Seb. 



2. t. 86. Of a cinereous yellow, with broad 

 deep-brown zones or surrounding bands. 



