Analytical Notices of Books. 115 



unattended by Ants; in such cases the mellitiuous drops every moment 

 produced fall on the upper surface of the leaf beneath, and which is 

 soon covered with a shining surface, sweet and slightly bitter to the taste, 

 and the exact resemblance of what is known in England under the 

 name of Honey Dew. In mountainous parts of the country the abund- 

 ance of this honey-like secretion, on the leaves of various trees, is very 

 remarkable ; and when dry on the leaves, it is collected and sold in the 

 country bazaars as a sweet-meat. For more particulars of this substance, 

 see Vol. XIV: of the Asiatic Researches of Calcutta, page 182. 



THOS. HARDWICKE. 

 Thurlow House, 



Clapham, 31st May, 1828. 



Since writing the above, I have for the first time opened a box con- 

 taining a specimen of the sugar described in my paper as above referred 

 to : it has been in this tin box upwards of eight years ; it was filled with 

 some of the coarsest of the specimens I had, and by time has become a 

 little darker, but to the taste I am not aware of any change. 



T.H. 



Art. XIII. Ana-ytical Notices of Books. 



A Descriptive Catalogue of the Lepidopterous Insects^ con- 

 tained in the Museum of the Honourable East India 

 Company, illustrated hy coloured figures of new Species and 

 <f the Metamorphosis (f Indian Lepidoptera ; with intro- 

 ductory Observations on a general Arrangement of this 

 order of Insects. By Thomas Horsfield, M.D., F.R.S.^ 

 S)C. 4to. pp. 80. Plates iv. 



The differences between a natural and an artificial system, no less in 

 the objects aimed at than in the means employed, have been repeatedly 

 pointed out, and have received, of late especially, the most admirable 



h2 



