DEPARTMENT OF ZOOLOGY. 109 



The revision and expansion of the collection of Gryllidce 

 has been commenced, and is proceeding pari passu with the 

 preparation of the MS. Catalogue for press. A considerable 

 number of accessions of all families of Oj'thoptera have also 

 been determined and incorporated. 



A large number of Neuroptera, chiefly belonging to the 

 Odonata and Planipennia, have been incorporated and 

 determined. 



In the Rhynchota the family Capsida^ has been completed, 

 and the Water-bugs comprised in the division Cryptocerata 

 have been studied and re-arranged. A new arrangement of 

 the Homoptera has been commenced with the family 

 Cicadidai. 



The arrangement of the collection of Ants has been nearly 

 completed, two genera only {Camponotus and Polyrrhachis) 

 remaining undealt with. 



The additions to the collection of Vesp>idcB have been 

 preliminarily examined and partly arranged previous to 

 incorporation in the General Collection. 



The re-arrangement of the Muscid Diptera has been 

 brought down to the end of the Tachinince. 



A considerable number of Culicidce (Mosquitoes) forwarded 

 for identification from various parts of the world have been 

 determined and incorporated. 



Reports, chiefly upon Blood-sucking and other Diptei'a 

 suspected of conveying pathogenic organisms m various 

 parts of the Empire, have been drawn up. Coloured 

 drawings of British Blood-sucking Flies in course of prepara- 

 tion by Mr. A. J. Engel Terzi have been supervised and 

 corrected. 



An Index has been prepared to Dr. G. H. F. Nuttall's 

 memoir " On the role of Insects, Arachnids, and Myriopods 

 as carriers in the spread of Bacterial and Parasitic Diseases 

 of Man and Animals." 



Crustacea. — The whole of the spirit collection has been 

 removed from the spirit building, and arranged in the cup- 

 boards in the new Crustacea room. A manuscript index to 

 this collection is in course of preparation. The bottles have 

 been cleaned and re-filled with spirit. Of the dried collection, 

 the Brachyura and a part of the Anomura have been trans- 

 ferred to the new cabinets in the Crustacea room. Steps 

 have been taken to get together a series to illustrate the dis- 

 tribution of Crayfishes in the various river systems of Europe. 

 Work on the Cumacea has been continued, in preparation for 

 a catalogue of that group. Reports on the collections sent 

 by the Department of -Agriculture for Ireland, and by the 



