xviii 
existences, and to comprehend the series of actions and reactions by which they have — 
most probably been brought about. 
Prof. Westwood reiterated, with further illustrations, some of the objections to the — 
theory stated by him at the previous Meeting, and the discussion was brought to a close 
by a few remarks from the President. 
Paper read. 
Mr. M‘Lachlan read a paper entitled “ A new Genus of Hemerobide, and a new © 
Genus of Perlide.” The former was described under the name of Rapisma, and the 
type was the Hemerobius viridipennis of Walker; the latter under the name of 
Stenoperla, and the type was the Chloroperla prasina of Newman. 
January 7, 1867. 
Sir Joun Lusgocg, Bart., President, in the chair. 
Additions to the Library. 
The following donations were announced, and thanks voted to the donors:— 
* Mémoires de la Société de Physique et d’ Histoire Naturelle de Genéve,’ Vol. xviii, 
pt. 25 presented by the Society. ‘ Exotic Butterflies,’ Part 61 ; by W. W. Saunders, Esq. 
* Notes on the Zygenide of Cuba,’ by Augustus Radcliffe Grote; by the Author, 
* Lepidopterological Contributions,’ by Aug. R. Grote and Coleman T. Robinson ; by the 
Authors. ‘Note on the Japan Silkworm, by Captain Thomas Hutton; by the Author. | 
‘De Tunnelgravende Biller Bledius, Heterocerus, Dyschirius og deres Danske Arter, 
‘Danmarks Cerambyces, ‘Danmarks Buprestes og Elateres, ‘ Krebsdyrenes Suge- 
mund, I. Cymothow,’ ‘ Phthiriasis og Mundens Bygning hos Pediculus,’ by J. C. 
Schiodte; by the Author. ‘Danmarks Geophiler, by Bergsoe and Meinert; by the 
Authors. ‘Om Slaegten Stalita,’ by the Editor of ‘ Naturhistorisk Tidsskrift. ‘The 
Entomologist’s Annual ;’ by H. T. Stainton, Esq. ‘The Zoologist’ for January; by | 
the Editor. ‘The Entomologist’s Monthly Magazine’ for January ; by the Editors. 
The following addition by purchase was also announced :—Bericht wber die Wissen- 
schaftlichen Leistungen im Gebiete der Entomologie wahrend der Jahre 1863 und 
1864, von Dr. A. Gerstaecker; Erste Halfte. 
Election of Subscriber. 
Samuel Alfred Davis, Esq., of 4, Durham-place West, Holloway, was ballotted 
for, and elected an Annual Subscriber. 
Exhibitions, Sc. 
Prof. Westwood exhibited a number of butterflies, chiefly Heliconiide, collected by 
Dr. Burchell in Central South America, and observed that the Burchell collection was 
peculiarly interesting, from the fact that each specimen bore a ticket giving the date 
