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smaller and more delicate than the Scincus Bojerii, very dis- 

 tinct in all respects, and far rarer, he having only during many 

 years met with two specimens in a fiield near Flaeq ; neither 

 of the latter species indeed are to be found in the Museum. 



All three appeared very abundant on Eound Island, darting 

 about in all directions as we walked along. With regard to the 

 fourth Lizard brought from thence, I am unable to offer an 

 opinion as it does not resemble any species about which I can 

 obtain information, and ia probably new. 



The Ophidians of Eound Island seem as numerous in species, 

 if not in the number of individuals, as the Saurians. Four 

 very distinct varieties of Serpent were killed during the 

 course of our rambles extending over but a few hours. 



I purpose sending specimens of each variety to Dr. Giinther 

 of the British Museum whereever I can get a good opportu- 

 nity. None of them so far as I can ascertain have ever yet 

 been described, and in the absence of works of reference, it is 

 scarcely possible even to guess at the genera to which they 

 belong. Indeed in face of Colonel Pike's declining to say 

 more than that all are Colubri, and therefore harmless, not- 

 withstanding the ugly flatheaded look of two of the lot, it 

 would be presumption on my part to discuss the matter on 

 the imperfect data before me. I may mention hotvever that 

 a Snake not unlike the largest Round Island species, exists in 

 our Museum, ticketed as having been found at Pointe aux 

 Piments on the coast of Mauritius. The label further gives 

 it the name of " Herpetodryas Beriiieru," but Mr. Bouton 

 does not remember whence the name was derived. It may 

 be conjectured from Eeunion. as Dr. Bernier still I believe 

 resides in that colony and takes a warm interest in science. 

 In all probability at any rate the generic name is correct 

 however obtained, for I perceive from Mr. Pollen's •' Enu- 

 meration des Aniraaux vertebres de Madagascar " that two 

 species of this Genus, Herpetodryas Goudotii and Bhodogaster, 

 are found in the great African Isle. 



The Museum likewise contains a Snake from the Coin de 

 Mire, presented by the late Mr. Corby, but it does not appear 

 to agree with any of our Eound Island specimens. 



