148 EXPERIMENT STATION RECORD. 



being worst affected. The results of efforts with the different insecticides are men- 

 tioned. Si^rajing the trees with Bordeaux mixture and whale-oil soap and water, 

 in addition to the winter resin wash and treatment with hydrocyanic acid gas, are 

 recommended. 



The San Jose scale in Missouri, J. M. Stedman (Missouri Sta. Circular of Infor- 

 mation 3, pp. 10, figs. 3). — A brief popular account of the life history of JspidioUis 

 perniciosus and the best treatment, with a discussion of its distribution in the United 

 States and its occurrence in Missouri. So far as is known, but one orchard in the 

 State has been infested with the scale, and in that the diseased trees have been dug 

 np and burned, so that it is ho])ed the spread of the pest is checked. Directions 

 are given for preventing the entrance of the insect by careful inspection of imjiorted 

 nursery stock, and whale-oil soap wash is recommended for treatment. 



A parasite of plants, Aspidiotus vastatri:^ or perniciosus (Eer. Scient., scr. 4, 6 

 (1896), No. 4, pp. 124, 135). 



Combating Ocneria dispar in the United States, E. Henry (Ann. Sci. Aaron., 

 ser. 3, 1 (1896), pp. 376-290). 



The ■weevil Hypera uiuriiia as an injurious insect to alfalfa (Dent, landw. 

 Presse, 33 (1896), No. 71, pp. 630, 631, fig. 1). 



Revision of the Nematinae of North America, C. L. Marlatt ( U. S. Dept. Agr., 

 Division of -Entomology Tech. Bui. 3, pp. 135, pi. 1, figs. 10). — This bulletin is a tech- 

 nical monograph of this group, containing general notes on the geographical distri- 

 bution, food plants, life history, and anatomy of these sawfiies as a whole, with 

 scientific descriptions and notes on 19 genera and 217 siiecies occurring in America. 

 Two genera and 90 species are described as new. 



The grass and grain joiut-'worm fiies and their allies, L. 0. Howard ( U. S. 

 Dept. Agr., Division of Entomology Tech. Bui. 3, pp. 34, figs. 10). — This bnllotiu com- 

 prises a technical discussion and synoptical keys for a number of American phyto- 

 phagic Eurytominfe feeding in the stems of grasses and small grain and in the seed 

 of grapes. The five genera Isosoma, Isosomorpha, Decatomidea, Eurytomocharis, and 

 Evoxysoma, comprising 19 species, are included, 14 species being described as new. 



Grain insects, P. Lesnes (Jour. Agr. Prat., 60 (1896), II, No. 33, pp. 197-302, figs. 

 27). 



Injurious insects and fungi (Jour. \^Britisli'\ Bd. Agr., 1896, No. 2, pp. 153-166, 

 figs. 4). — Descriptions, life history, and suggested remedies for the prevention of the 

 cherry moth, onion lly, Carpocapsa pomonella in walnuts, hop bug, surface cater- 

 pillars (Jj/roiis spp.), and a tomato disease due to Cladosporium Igcopersici, are given. 

 The tomato disease must not be confounded with Macrosporium solani. Spraying 

 with Bordeaux mixture or a solution of copper sulphcite is recommended as preventive 

 treatment. 



Notes on insect friends and foes, C. Fuller (Agl. Gaz. N. S. Wales, 7 (1396), No. 

 6, pp. 398-403). 



A list of the insectivorous birds of New South Wales, A. J. North (Agl. Gaz. 

 N. S. Wales, 7 (1896), No. 6, pp. 380-397, pis. 10). 



Legislation and jurisprudence relating to insects useful and injurious to 

 agriculture and insectivorous birds, G. Viret (Legislation et jurisprudence conccr- 

 nant les inscctes utiles et nuisibles a V agriculture ct les oiseawx insecfivorcs. Paris : Berger- 

 Levrault et Cie., 1S9G, pp. 365). 



Calcium carbid as an insecticide, E. Chuard (Jour. Agr. Prat., 60 (1896), I, No. 

 22, pp. 795-797). 



Composition of Paris green, C. A. Goessmann (Massachusetts Hatch Sta. Bui. 38, 

 pp. 11-13). — Analyses of 8 samples of Paris green are reported. When 1 part of Paris 

 green was treated with 100 parts of cold water the resulting solution contained about 

 3.5 per cent of arsenious acid. The hot water (SC- C.) extract of 3 samples contained 

 15.67, 15.92, and 21.12 per cent, respectively. When the first solution was cooled, it 

 showed only 3.39 per cent of arsenious acid. 



