CONTENTS. V 



Page. 



A bacterial epizootic among locusts in Mexico, D'Herelle . 246 



Destruction of the locust, Guelfreire - 247 



Combating locust invasion in the Karst plateau region, Gvozdenovi6 247 



Studies of the parthenogenetic cycle of Heliothrips hxmorrhoidalis, Buff a 247 



The hawthorn aphis {Aphis cratxgi) as an enemy of apple trees, Liistner 247 



Organized efforts as a factor in the control of the citrus white fly, Morrill 247 



The cotton white scale ("piojo bianco ") in Peru, Townsend 247 



A contribution to the knowledge of the Coccidse of Argentina, Leonardi 247 



Diaspis pentagona, Gastine 247 



Plants attacked by Diaspis pentagona 247 



A note on the lac insect ( Tachardia lacca), Stebbing 248 



A newly imported scale pest on Japanese hemlock, Marlatt 248 



The fig moth, Chittenden 248 



Report on the fig moth in Smyrna, Smyth 249 



The Hawaiian beet webworm {Hymenia fascialis), Marsh. 249 



The southern beet webworm (Pachyzancla hipunctalis) , Chittenden 250 



Grapevine pests: The grapevine sphinx, Feytaud _. 250 



Concerning bacterial diseases of the bee moth (Galleria melonella), Metalnikov. . 250 



The reduction of domestic mosquitoes, Ross 251 



On the varieties of Bacillus coli associated with the house fly, Nicoll 251 



The survival of specific micro-organisms in Musca domestica, Ledingham 251 



An egg parasite of the codling moth belonging to the family Mymaridae, Girault. 252 



Observations on mites infesting the horn fly, Hsematobia serrata, Hadwen 252 



Another account of the food habits of the olive fly, Martelli 252 



Experiments in 1910 against the olive fly, Berlese 252 



The photography of Diptera, Graham 252 



Ceratophyllus silantiewi, Wagner; a plague flea, Rothschild 252 



An epidemic of fungus diseases among soldier beetles, Popenoe and Smyth 252 



The potato stalk borer, McSparran 253 



The preservation of aphis-eating lady beetles. A new application of cold 253 



The orange-yellow coffee borer, Nitocris usambicus, Morstatt 253 



Some undescribed Scolytidae of economic importance, II, Stebbing 253 



Some factors influencing the development of the boll weevil, Pierce 253 



A handbook of bee keeping. Zander 253 



Apiculture in Tunis, Georges 253 



The chalcidoid parasites of the coccid Kermes pubescens, Girault 254 



Notes on the breeding of Tropidopria conica, Sanders 254 



Field work in the control of the Argentine ant, Nickels 254 



Notes on a sawfly injurious to ash, Sasscer 254 



A new enemy of the mulberry tree 254 



The Rocky Mountain spotted-fever tick. Hunter and Bishopp 254 



The life history of a parasitic nematode {Ilabronema muscas), Ransom 255 



Vaporite as a means of destroying subterranean insects, von Feilitzen 256 



The adhesion of insecticide mixtures of lead arsenate, Astruc et al 256 



Leakage of fumigation tents, Woodworth 256 



Pure insecticides, Woodworth 256 



Legislation in Canada in reference to injurious insects and diseases, Hewitt 256 



[Establishment of a plant inspection service in France] 256 



FOODS — HUMAN NUTRITION. 



Influence of saccharin on the nutrition and health of man 257 



Edible fats and oils, Simmons and Mitchell 258 



Inquiries in China and Siberia respecting pork and bacon exported, Hamill .. . 258 



Adulterated truffle sausages, Mezger and Miiller 258 



The chemistry of hen's egg, Kojo 258 



The fat content of sardellea and sardines, Rohrig 258 



The nutritive value of fish and its physiological importance, Cronheim 259 



Nutritive value of bread from different vai'ieties of wheat flour, Hamill 259 



The nutritive value of flours. Flack and Hill 260 



[Phosphorus in flour], Rengniez 260 



Many ways of cooking bananas 260 



Banana flour, Kappeller and Gottfried 260 



Kra-kie and banana bread, Mansfield 260 



Origin and history of our garden vegetables and their dietetic value, Henslow . 260 



Servian plum jam, Brunetti 261 



