Entomological Society. 61 



figures of new species of Char axes from his own collection. Like- 

 wise a number of specimens of Scolopendra of small size, which he 

 had found in myriads infesting diseased potatoes at Southend, which 

 he was thence induced to consider as the chief cause of the evil ; an 

 opinion which was however opposed by several of the members, Mr. 

 Edward Doubleday detailing the results of microscopical observa- 

 tions made in this country and abroad, proving the growth of a mi- 

 nute parasitical fungus within the diseased part of the tubers. 



Captain Parry exhibited two cases of insects from Caifraria, in- 

 cluding Manticora latipennis, Waterh., and other new and rare Co- 

 leapt era. 



Mr. W. W. Saunders exhibited a box of exotic insects, including 

 a new and most brilliant species of Morpho, from South America, 

 several species of Thynnidce taken in copuld, and several species of 

 ZeuzercB and other case-making Lepidoptera from New Holland. 



Mr. Evans exhibited a specimen of Sphinx Atropos, taken on the 

 rigging of a ship forty miles from land, off Cape Clear island, and 

 one of Porthesia auriflua, taken 250 miles from land in the Bay of 

 Biscay. 



Mr. F. Smith exhibited specimens of Nomada pacata, one of 

 which was gynandromorphous. 



Mr. Edward Doubleday stated that the British Museum had re- 

 cently acquired a collection of Lepidoptera from the north of Bengal, 

 containing a new species of Papilio and many other new species, and 

 that a collection from Honduras, formed by Mr. Dyson, had also 

 been recently received by the Museum. 



The following memoirs were read : — 



The continuation of Mr. Saunders's Descriptions of New Holland 

 Cryptocephalidce. 



Sp. 4. Pleomorpha concolor, W.W.S. Entirely dark blue green^ 

 except underside of 1st Joint of antenna, which is rufous; elytra 

 shining punctate-striate, the lateral stria more deeply. Length 

 •J^ths of an inch. — Inhabits Australia. In Mus. Parry. 



Sp. 5. Pleomorpha atra, W.W.S. Entirely black, except under- 

 side of first two joints of the antenna, which is rufous, and the 

 club, vnhich is pitchy brown ; mandibles strongly projecting ,• ely- 

 tra punctate-striate. Length y'^ths of an inch. — Inhabits West- 

 ern Australia. In Mus. Hope. 



A letter from John Hogg, Esq., F.L.S., addressed to Mr. West- 

 wood, on the alleged habits of Crabro cephalotes, dated Norton, 

 July 19, 1845:— 



" On my return home on the 28th of June, I observed a couple 

 of the handsome Crabro cephalotes about my hot-house, and I found 

 that they had nearly constructed a somewhat curious nest, or de- 

 posit for their eggs. It is composed of fine gravel or sand, strongly 

 agglutinated together with clay, and contains four cylindrical cells, 

 which are quite closed up at the top. I watched one of the insects 

 sitting, most likely the female depositing her eggs, in the last cell, 



