267 
. Pascoe exhibited NepMris alata, of Castelnan, from King George's Sound, 
mrked that it was identical with the recently described (Tr. Ent. Soc. N. 
is) Hiketes thoracicus of King. 
Jiscussion took place on a question of nomenclature, raised by Mr. Pascoe. 
ared that Dejean, in 1834, proposed the generic term Diurus, hut gave no 
bion This genus had been generally adopted, and even figured by Westwood, 
description had actually been published until 1862, and then by Mr. Pascoe 
• But in 1852, Motschulsky had described another genus under the hybrid 
Hi^us, 'recently corrected to JDiurus by Gemminger and von Harold. Mr. 
therefore enquired whether it would not be better to impose a new name in 
Dejean's. The opinion of the meeting seemed to be that, having regard to 
niliar circumstances, it would be inadvisable to adopt that course, 
r. Butler read a paper " on some Butterflies recently received by Mr. Swanzy 
?"est Africa." 
h March, 1870. F. P. Pascoe, Esq., P.L.S., Yice-President, in the Chair. 
ae Rev. R. P. Murray, of the Isle of Man, and M. J. C. Puis, of Ghent, were 
I Members. , tt„,^^ 
rofessor Westwood exhibited a series of specimens of Locusts from the Hope 
m in connection with the question raised at previous meetings as to which 
.e real ^nigratoria of Linn^. It appeared that there were two closely allied 
ean species, differing in the form of the pronotum. These had been de- 
d and fi^^ured by Fischer (Orthop. Europ.) as nngratoria., L., and nnerascens, 
with which latter Cliristii of Curtis was identical). The specimens bearmg 
'^memigratoriaiu his possession were n.ostly very old, one, perhaps, having 
.ed to Donovan; they seemed to be Fischer's civerascens, but Professor 
vood thought that these should really bear Linne's name - certainty being 
ainable, tradition should supply its want. 
Av Smith held the opposite view, and had communicated with Professor Stal, 
ockholm who informed him that Fischer's migratoria was the only species 
1, to hil knowledge, had been taken in Sweden (Neither of these must be 
u'nded with the recently exhibited peregrinum.—Evs.). 
Mr Stainton exhibited a bred specimen of Cosrnopteryx LienigieUa from larv^ 
.ed from the Island of Oesel. He had also bred a British example from a larva 
I near Cambridge. , i. o • 
The Rev. H. S. Gorham exhibited (through Mr. Janson) an example of Sumus 
■dun, a species new to Britain. 
Mr. Mixller exhibited a large gall, like an acorn or ohve, on the leaves of a 
ies of Gnetiim from India. 
^r Janson exhibited a collection of Butterflies sent by his son from Nicaragua. 
Dr.' Wallace exhibited Herrninia derivalis and a variety o? Mehta'a Athaha 
ured by Mr. Harwood, of Colchester. ^ „ ; . 
Dr Wallace also exhibited a collection of ^ilk-produc.ng SaturmcB and their 
ons with specimens of manufactured silk; and urged upon the meeting the 
:Sy of extending this branch of industry in this country. He 1-d o d 
Wnyi $ S united, and had also found $ Perny^ ^n copula with ? Cecrop^a, 
,p.lus, and Yama-mai. Eggs produced from the union of Ferny^ and Yan.a 
had proved fertile; the cocoons and larva, were more like those of the <? 
ent than of the ? . • -. r. ? i, -j^ 
Professor Westwood read " Descriptions of new species of Pselaph^d^. 
