TITLES. 
Ins. 3 
INTRODUCTION. 
The amount of entomological work recorded in the present volume is 
apparently greater than that of any previous year, the titles numbering 
1173 against 1069 last year. We have, however, to record but little 
extensive systematic work on any group of Insects. Handlirsch’s (405) 
monograph of the Hymenopterous genus Bembex being, perhaps, the most 
important work dealing with Insects of all the world. Brauer & Ber- 
genktamm’S tables of some divisions of Calyptrate Muscidce have been 
completed . A large number of new species have been described in faunistic 
works ; Godman & Salvin’s (377) great work on Central- America con- 
tinues to occupy a predominant position in this respect. Berthoumieu 
has commenced a work (76) on the Ichneumonidce of Europe, a subject 
that has been treated hitherto in a very piece-meal style. Three volumes 
of Dalla Torre’s Catalogue of Hymenopiera (217) have appeared; as well 
as a second volume of the general Catalogue of Hemiptera (639). We are 
glad to find that M. Severin announces his intention of continuing this 
work, notwithstanding the lamented decease of his co-labourer 1VL 
Lethierry. A great deal of work has been expended on Hamilton’s 
Catalogue (398) of the Coleoptera common to Europe, Northern Asia and 
North America : it is accompanied by tables intended to elucidate the 
origin of these widely distributed forms, and will be of considerable 
assistance to those studying geographical distribution in the region it 
deals with. Leech’s work (633) on the butterflies of China and Japan 
has been completed. 
The series of papers by Fox, TJhler, Ashmead, Pergande & Horn 
—that of the latter being a memoir of considerable extent (442)— make a 
very large addition to our knowledge of the entomology of Lower 
California, a region that hits been heretofore much neglected by entomo- 
logists, though of considerable importance. The series of faunistic 
papers resulting from the work of the W. India Committee has received 
a remarkable addition in the memoir of Riley, Asiimead & Howard 
(926), in which no less than 340 species of parasitic Hymenopiera are 
recorded from the Island of St. Vincent. Large as it may appear, this is 
far from being the total number to be found there, as certain of the sub- 
families still remain to be worked out. It is remarkable that only 6 new 
genera have been proposed, although 299 new species are described in the 
paper. In Lepidoptera , on the other hand, the number of new generic 
names is very large, 170 having been proposed in one paper, by Warren 
(1124). 
Hubbard’s sketch (460) of the Insects inhabiting the burrows of a tor- 
toise, points out a new field of observation ; Wachtl’s (1113) paper on 
the larva of “ the nun,” suggests an important function discharged by 
some of the hairs ; while Blanc (97) has given an elaborate study of the 
head of a lepidopterous larva, conveying much anatomical and physio- 
logical information. This paper was published in 1891, in a periodical 
devoted to technical rather than to scientific matters, and has only 
