ECONOMIC ZOOLOGY ENTOMOLOGY. 157 



pose of assisting field agents and otliei-s in jn-oparing satisfactory slcins for sliip- 

 nient to tlie' Bureau, directions are given regarding measuring, slcinning, drying, 

 and otherwise preserving tlie slvins of niamnials of all sizes. Suggestions are 

 also made regarding labeling, ]iMcking. and shipping of sucli specimens. 



ImiDortation of snakes into Hawaii, J. Wilson (f. .S'. f)ci)t. A{ji\, lilol. Sur- 

 vey Cirv. Ji8, p. 1). — Notice is given that on ;uid after August 1, l()Or», no permits 

 shall he issued for the introduction of snakes of any kind into any part of the 

 llawaiiau Islands. 



Directory of State officials and organizations concerned with the protec- 

 tion of birds and game, 1905, T. S. Palmer {('. »S'. Dcpt. A(/r.. liiol. Siirrci/ 

 Circ. oO, pp. 16). — This directory, which has been published since I'.XX), has been 

 revised in the present issue to August 15, 1905. In summarizing the contents of 

 the circular it is shown that in 3G States the enforcement of tlie game laws is 

 entrusted to State officers, in G States to county officers, aiul in Virginia to city 

 or district wardens. 



List of publications of the Biological Survey, Department of Agriculture 

 (f". )S'. Dcpt. A</r., Biol. Survey Circ. ol, pp. 6). — A list is given of the Imlletins, 

 North American fauna, circulars, farmers' bulletins, and reprints of Yearbook 

 articles furnished by the members of the Rureau. 



The monthly bulletin of the division of zoology, II. A. Surface (Pcnn. 

 J)ept. Ayr., Mo. Biil. Dir. Zool, 3 (1906), Ao. 10, pp. 303-332, pis. .)).— The life 

 history, food plants, distribution, and injurious attacks of the San Jose scale 

 are outlined and notes are given on the inspection service and treatment under- 

 taken for the purpose of suppressing this pest. A lime-sulphur-salt wash is 

 used according to the formula 22-17-10-50, boiled by the aid of artificial heat. 

 The author recommends boiling for 1 hour. Notes are also given on the self- 

 boiled lime-sulphur-soda wash, whale-oil soap, oil emulsions, and other remedies. 



Twentieth report of the State entomologist on injurious and other insects 

 of the State of New York, 1904, E. P. Felt (X. Y. State Mils. Bill. 97. pp. 

 3.59-391. pis. 19, flys. 24). — During the year under report an unusually small 

 amount of injury to agricultural crops was caused by insect pests. 



An investigation vA'as made of methods for combating the grape rootworm. 

 It was found that this insect deposits 45 per cent of its eggs within the first 2 

 weeks of the period of egg laying and 73 per cent during the month of July. 

 The most successful means of combating this insect was found in beetle catchers, 

 which have proved very satisfactory throughout the extensive tests of the past 3 

 years. On an experimental area of 5 acres over 1.50,000 beetles were captured 

 in this manner, the number of the pest being reduced about 98 per cent. 



Further experiments were made with arsenical poisons, but the results 

 obtained from this method are difficult of estimation on account of the great 

 activity of the beetles. Aiijiarently al)0ut 50 to GO per cent of the beetles may 

 be destroyed by keeping the grapevines covered with an arsenical solution. 

 Some of the pupae may be destroyed by a thorough cultivation. It is therefore 

 recommended that a ridge of earth be thrown upon the base of the vines in the 

 fall or early spring and removed during the first half of June. 



A long series of tests was made with various forms of lime-sulphur wash in 

 combating the San Jose scale. In preliminary laboratory experiments ordinary 

 washing soda appeared to give much l)etter success in obtaining a combination 

 of lime and sulphur than when caustic soda was employed. Washing soda has 

 the advantage over caustic soda that it may be purchased almost anywhere and 

 requires no special care in handling. A great variet.v of formidas were tested 

 in the preparation of lime-sulphur wash with or without caustic soda or washing 

 soda. 



8989— Xo. 2—06 5 



