CONTENTS. 



An Apparatus for fumigating with Sulphurous Anhydride . . 



Ticks and Piroplasmosis of Cattle in Switzerland 



Trypanosomiasis among Horses in Morocco . . 



Trypanosomiasis of Camels and Blood-sucking Flies in Eritrea 



Ticks and Piroplasmosis of Cattle in Italy 



The Use of Hydrocyanic Acid against Mosquito Larvae 



Mosquitos and other Blood-sucking Insects in the Panama Canal 

 Zone . . 



Notes on the Genus Demodex . . 



Notes on the Tabanidae of the District of Columbia, U.S.A. 



Notes on the Eodent Bot-fly in U.S.A. 



The Eelation of Biting-flies to Anthrax in U.S.A. . . 



Blood- sucking Parasites from British Guiana 



Notes on Oriental Diptera . . 



The Management and Construction of Dipping Tanks for Cattl 



in Rhodesia . . 

 Hibernation of Anopheles larvae in U.S.A. . . 

 Spirillosis of Fowls in Serbia . . 

 iKodes ricinus and Piroplasmosis in Cattle in Holland 

 Trypanosomiasis in Camels in Eritrea. . 

 Mange in Horses in Italy 



The Value of Anti-malarial Measures on the Island of Brioni, Tstria 

 Biting Insects in the Amazon Region, Brazil 

 Anti-malarial Measures in England 

 Measures against Bed-bugs, etc., in Minnesota 

 New Blood Parasites of a Snake in the Gold Coast . . 

 The Genital Armature of Female Tsetse-flies . . 

 Typhus amqng iI|Jative8 in South Africa 

 Measures against Mosquitos in 1918 in Connecticut 

 Note on the Oviposition of GastropMlus nasalis in Canada 

 Mosquitos and Disease in British Guiana 

 Parasites of Poultry, in Mauritius 

 Treatment of -Tiyp^n'osomiasis in Dogs in Morocco . . 

 The Breeding of Mosquitos in Solutions of Picric Acid in France 

 Breeding Places of Glossina in the Belgian Congo . . 

 The Treatment of Mange in Horses in Belgium 



PAOE- 



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