442 Mr. A. Essex's Account of the '' 



Typiis Choreim inepttis. <? . ? . 



Nigro-aeneus ; antennis piceo-rufis, basi apiceque nigris ; pedibus piceis ; 

 tibiarum apice tarsisque riifis. 



Chore'm nigro-isnea. Westw. loc. cit. 



Encyrtus ineptus. Dalm. Esenb. Hym. Mon. 2. 255. 



Sjjhenolepis inepta. Esenb. loc. cit. p. 258. 



Obs. 1 . Genus Sphenolepis Esenbeckii, omnino distinctum nee ad siib- 

 familiam Encyrtides pertinet. 



Obs. 2. Individua nonnulla foeminea cum speciminibus apteris cepi, alas 

 qnatuor perfectas nigricantes possidentia. Haec pro specie diversa non 

 considero; sed potius individua evolutionem perfectiorem gaudentia; spe- 

 ciminibus alatis VelicB currentis analoga. Nihil inter insecta Hymenoptera 

 huic simile adhuc observatum est. 



Agonioneurus albidus, Westw. 



Totus pallid^ flavescenti-albidus; oculis obscuris; alis immaculatis albidis, 

 longe ciliatis, callositate stigmaticali magis conspicua quam in Ag. basalii, 

 angulum parvum cum margine alarum formanti, antennarum articulo 5to 

 prsecedenti multo majori. — Long. corp. ^ lin. Expans. alar. | lin. 



Habitat — ? In mus. nostr. 



Agonioneurus subflavescens, Westw. 



Totus pallidissime flavescens ; oculis ocellisque paulo obscurioribus; alis 

 subhyalinis, flavido vix tinctis callositate stigmaticali quam in Jg. albido 

 minus distincta, antennarum articulo 3, 4 et 5 aequalibus. 



Obs. Insectum vix conspicuum. — Long. corp. \- lin. Expans. alar. 1 lin. 

 In mus. nostr. 



Habitat in sepibus apud Sylvam Coombe, aestate 1835. 



LXXXV. Some Account of the Art of Painting in Enamel, 



By Mr. Alfred Essex.* 

 T^HE perusal of the excellent paper on Glass-painting wiiich 

 appeared in the Philosophical Magazine for December 

 1S36, having revived an idea which I had formerly entertained 

 of drawing up for publication a brief view of the allied art of 

 Painting in Enamel, I have now endeavoured to bring my 

 intention into effect. This art is mentioned in some former 

 papers in the Magazine, but as it is usually introduced merely 

 incidentally, some further account may not be unacceptable to 

 the present readers of this work. 



Before proceeding to my more immediate subject, allow me 

 to make a remark or two on that of painting on glass. 



Mr. J. T. Cooper observes, in a paper on " the Composi- 

 tion of the Ancient Ruby Glass f," that " the chief difference 



between the ancient and modern ruby glass consists in the 



hardness, or infusibility of the basis on which it is flashed, that 

 which is now manufactured being of flint, while the former is 



• Communicated by the Author. 



t Annals of Philosophy, Second Series, vol. vii. p. 105. 



