DEPARTMENT OF ENTOMOLOGY. 195 



Royal Army Medical Corps ; and an exhibit illustrating the 

 report was placed on view in the Central Hall of the Museum 

 from the ] 5th of August until the 12th of November. 



By direction of the Trustees, a comprehensive Exhibit of 

 " Insects in Relation to Disease," illustrated by large- and 

 small-scale maps, large-scale models and photographs, and 

 provided with a series of explanatory labels in French and 

 English, was prepared and installed in the Tropical Diseases 

 Gallery of the British Section at the Ghent International 

 Exhibition, where it formed part of the British Government 

 exhibit. 



The meetings of the Departmental Committee of the Colonial 

 Office on Sleeping Sickness were, b}^ special leave of the 

 Trustees, attended by Mr. E. E, Austen, Assistant in the 

 Department, and a series of questions relating to the bionomics 

 of Tsetse flies were put by him to witnesses. 



Inquiries on matters of economic interest have continued 

 to come in from various parts of the world. Amongst the 

 objects on which information or advice have been sought, and 

 as far as possible given, the following may be mentioned : — 



DiPTERA (Flies). 



(1) Plague of " large and small flies," usually in September 

 and October, in one room of a country house near Edinburgh. — 

 Measures for treating possible breeding-places suggested. 



(2) Inquiry as to best means of getting rid of flies col- 

 lecting in May on the ceiling of one of the rooms of a house 

 in Yorkshire. 



(3) Inquiry as to the identity of a Tsetse-fly found at Dares- 

 Salam, German East Africa. 



(4) Species of Sirmdiurii found at Lymington, Hants, and 

 possibly connected with a case of pellagra in the vicinity. 



(5) Plague of Mosquitoes and Midges at Blackmoor, Liss, 

 Hants. — Information supplied as to best method of dealing 

 with same. 



(6) Simulium reptans, Linn., and S. nigrum, Mg., " a terrible 

 pest to man, dogs and cattle " at Bassenthwaite Lake, Cumber- 

 land, in May 1913. The flies were stated to have become 

 troublesome " only within the last three years." — Identifications 

 and other information supplied. 



(7) Inquiry as to best means of preventing House-flies from 

 breeding. — Information supplied. 



(8) Two species of Muscidse {Philceriiato'inyia crassirostris, 

 Stein, and Lyperosia exigua, de Meijere) possibly concerned 

 in disseminating Surra disease among domestic animals in 

 the Philippine Islands. (Inquiry from Veterinary Research 

 Laboratory, Alabang, Rizal, Philippine Islands.) 



(9) Bot-fly (Oestris ovis, L.) larvae in nostrils and crania of 

 sheep slaughtered in Valparaiso, Chili. 



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