96 



Totai length, 21 inches ; bill, i; wing, 1| ; tail, IJ. 



Remark. — Nearly allied to Lophornis Regulus and ornatus. but 

 diifering from the former in having the crest-feathers broader and 

 the green spots on the tips much larger. It is a very beautiful spe- 

 cies. 



Trochilus (Glaucis ?) ciERULEOGASTER. Troch. vertice, nucM, 



uropygio, et tectricibus caudce superioribus, ceneo-viridibus ; mento, 



colti lateribus, et dorso viridibus ; gula, et abdomine, cyaneis ; 



tectricibus caudm inferioribus magnis, alhis ; caudd nigrd pallidk 



cyaneo nitente. 



Crown of the head and back of the neck dull bronzy green ; back 



green, passing into bronzy green on the rump and upper tail-coverts ; 



chin and sides of the neck green, gradually passing into the beautiful 



blue of the throat and abdomen ; under tail-coverts largely developed 



and of a pure white ; tail black, \vith steel-blue reflexions ; wings 



purplish brown ; bill black; feet brown. 



Totai length, 4| inches; bill, 1^ ; wing, 2| ; tail, 2. 

 Remark. — About the šame size as, and similar in every respect to, 

 T. Buffonii, Lesson, but differs from it in the throat and abdomen 

 being beautiful blue instead of green. 



June 22, 1847. 

 Harpur Gamble, Esq., M.D., in the Chair. 



The follovving Communications were read : — 



1. Description of a New Lizard discovered by Mr. Dyson in 

 Venezuela. By J. E. Gray. Esa., F.R.S., F.Z.S. 



In the ' Annals and Magazine of Natūrai History' I described a 

 lizard, from Columbia, which Mr. Brandt sent me under the name of 

 Argalia marmorata, and considered it as the type of a peculiar family. 

 In Mr. Dyson's coUection, just received at the Museum, there is a 

 second species of this genus from Venezuela, differing from the former 

 not only in the colouring, but in the size of the head and the com- 

 parative length of the tail. 



This genus has much the appearance of the Barisia, but is at 

 once known from them and other New World Zonurida by having 

 femoral pores, by the position of the nostrils, and by the scales on 

 the side of the body not being granular, though rather smaller than 

 those of the back. 



