{ cvii ) 
GENERAL INDEX. 
The Arabic figures refer to the pages of the ^Transactions'; the Roman 
numerals to the pages of the ‘ Proceedings’ 
The President’s Address is not separately indexed. 
GENERAL SUBJECTS. 
Aberrant Lepidoptera, exhibited, Ixiv, Ixviii. 
Abruzzi, butterflies from the, exhibited, xlv. 
Abyssinian beetle, life tenacity of, exhibited, xliv. 
Acraea It/coa, and A. johnstoni, on the specific distinctions between, xlii. 
Africa, book on Lycaenidae from South, exhibited, xxiii; descriptions of 
some hitherto unknown, or little-known larvae and pupae of Rhopa- 
locera from South, Hi; revision of species of genus Lycaenesthes 
from, 1. 
Agriades coridon, double-brooded, exhibited, xxxvii; southern forms of, 
exhibited, xlvii. 
Agriades thetis {hellargus) and A. coridon, discussion of the affinities of, vi. 
Algeria, descriptions of new Hymenoptera-Aculeata (Sphegidae) from, xvii, 
Ixiv, 517 ; summer butterflies from, exhibited, liii. 
America, mimics and models from South, exhibited, liv, Ixviii; beetles from 
North, exhibited, Ixxi. 
Anthrocerids, British, exhibited, Ivii. 
Ants, association of, exhibited, xiii; and mimic beetle, exhibited, xx; and 
their nests, living, exhibited, xliv, Ixvii; host and guest, exhibited, lx ; 
brachyterous, exhibited, Ixxii; further observations on temporary social 
parasitism, and slavery in, Ixxiii; nests, some experiments with, 142. 
Apaturopsis cleocharis, exhibited, xvii. 
Argentine Republic, on the Geometridae of the, xxx, 204. 
Argynuid forms, Lycaenid and, exhibited, xii. 
Asilid (Promachus sp.), the oothecae of an, xxvii; and prey, exhibited, lx. 
Auditors for 1910-11, appointed, Ixv. 
Australia, new fossorial Hymenoptera from, xli, 407. 
Beetle, male with female antennae, exhibited, xiii; teratological example of, 
exhibited, xiii; ant and mimic, exhibited, xx; rare British, exhibited, 
xxviii, XXXV, xliii, Iviii, Ixvi; parasite on, exhibited, xxx; new, exhibited, 
xxxi, Iviii; from crop of pheasant, exhibited, xxxvii; life tenacity of 
Abyssinian, exhibited, xliv; abnormal, exhibited, liii; collection of 
North American, exhibited, Ixxi. 
Bignell, George Carter, notice of death of, xi. 
