(aed) 
the earlier stages the larval surface is densely covered with 
minute black specks, rendering it almost black in appearance, 
with a continuous black dorsal line. By way of illustration 
Mr. White showed some preserved specimens of the larva in 
the second stage, which are not often to be seen in this 
state, together with a fully-matured specimen. 
Mr. White also exhibited two preserved larve of the ‘‘ Essex 
Emerald Moth,” Phorodesma smaragdaria. He had recently, 
in company with Messrs. Fitch, Harwood, and others, 
succeeded in obtaining several of these curious larve near 
Brightlingsea on the Essex coast. The larval form of this 
insect had only lately become fully known, and it was well to 
preserve it with care, as otherwise collectors would soon exter- 
minate it. Mr. G. Elisha had exhibited living examples of 
it at a meeting of the Society two years ago, when he first pub- 
lished many interesting particulars of its life-history (Trans. 
Ent. Soc. Lond., 1886, pp. 465-468), and Mr, William Cole had 
recently drawn up a full historical account of the species as 
known in England, which appeared in ‘ The Essex Naturalist’ 
for June, 1887. Mr. White wished to correct two errors 
which had been made in descriptions of the larva which had 
been given in various text-books. It had been wrongly 
described as living in a case formed from its food-plant, 
whereas its habit is to cover itself with pieces of its food by 
a special means, the particles being bitten off apparently in 
order to enable it completely to resemble its food-plant. It 
was quite true that these particles adhere to the surface of 
the larva by means of a sticky exudation, as stated by 
Mr. Elisha, but the end is attained by the highly special 
method of actual excretory glands, which are developed 
irregularly upon various segments of the body. These 
glands are seen, by means of a good lens, to be prominent 
elongate processes, of an almost pure white colour, each 
bearing at the top a single, rather long, stiff hair, which 
doubtless serves to spike the fleshy substance of the Artemisia: 
sketches were shown in illustration of this point. Although no 
result could be produced artificially by applying gentle pres- 
sure externally to a gland, there could be no doubt that they 
possess the functional value claimed for them, as evidenced 
