11 
Rule V.—After “Members of the Society” add “and shall main¬ 
tain the Society’s Obligation Book.” 
Rule IX.— Additional paragraph. —“ Every member when elected 
shall sign the Obligation Book, binding himself to abide by the Rules 
and Regulations of the Society.” 
Rule XIX. — New rule. —“ Any alteration of these rules shall only 
be made at a Special General Meeting, to be convened as provided in 
Rule XV. In no case shall any of the Rules be altered or expunged, 
or any addition made thereto, unless such alteration, deletion, or 
addition be approved by not less than two thirds of the members 
present at the meeting to which it is submitted.” 
Rule XX. — New rule. —“ A copy of these Rules shall be sent by 
the Secretary to each member on his election.” 
November 4th, 1908. —Triph/Ena subsequa (comes) ab.— -Mr. R. G. 
Benton, a specimen from Folkestone, July, 1908, with hindwings 
suffused with black. 
PlERIS RAPAE.-TEMPERATURE EXPERIMENT.-Dl’. G. G. C. HodgSOn 
exhibited a long series bred from Red hi 11 larvae, the pupae having 
been subjected to alternative spells of high and low temperatures ; the 
imagines showed an intensification of the yellow colouration on under¬ 
sides, approximating to the Scotch form. 
Smerinthus ocellatus x populi hybrids. —Mr. L. W. Newman, a 
long series bred from pairing of Smerinthus ocellatus $ and Amorpha 
populi J , showing considerable variation as to the predominance of 
the characteristics of one or the other species; the percentage of $’s 
was very small. Rev. C. R. N. Burrows reported that a microscopical 
examination of the genitalia proved that while the $ ’s were fully 
developed the $>’s were gynandromorphous. 
Pieris brassicjE. ab.— Mr. A. E. Tonge, a specimen with a partial 
narrow black border on hindwings. 
Exchange Night. —The usual practice of devoting the first evening 
in November to the exhibition and exchange of duplicates was main¬ 
tained. 
November 18th, 1908. —Nonagria neurica (hbn). —Mr. H. M. 
Edelsten, specimens from Sussex—the first recorded captures in Great 
Britain—also N. dissoluta and var. arundineti, from various localities 
for comparison, 
Thyatira batis, ab.-— Mr. G. H. Heath, a specimen with the usual 
pale spots, tinged with brown instead of pink. 
Oligia strigilis, ab.— Specimens from Ashford, Kent, June, 1908, 
with red central fascia and white marginal band.—Ibid. 
Zygaenid^:— Dr G. G. C. Hodgson, numerous Zygaenidae, mainly 
Anthrocera trifolii and A. hippocrepidis, including several melanic 
specimens of the former, two apparent trifolii with a sixth spot, and 
an apparent hippocrepidis with right-hand wings resembling A. viinos; 
all were from one Surrey locality. 
Melanic Aplecta nebulosa.— Mr. A. W. Mera, dark specimens 
bred from Delamere Forest. 
Polygonia c-album.— Mr. L. W. Newman, an extensive series, 
showing little variation—other than var. hutckinsoni —except with 
xviii. 
