56 EXPERIMENT STATION RECORD. 



they may be washed down into wounds by the rain and may thus cause 

 infections." 



A list of the literature cited is appended. 



A synopsis of economic entomology, W. Lociihead (Macdonald College, 

 Canada [191Jf], pp. 113). — This is a work prepared and printed by the author 

 for use in his classes at Macdonald College, and is divided into four parts. 

 Part 1 (pp. 3-15) deals with the structure, development, etc.. of insects in the 

 wide sense; part 2 (pp. 16-32) consists of a field key for the identification of 

 the common insect pests; part 3 (pp. 33-103) gives a concise description of the 

 insects mentioned in part 2, arranged according to their orders; and part 4 

 (pp. 104-113) deals with the control of insects. 



A bibliography of the writings of Professor Mark Vernon Slingerland, 

 M. D. Leonard {^^ew York Cornell Sta. Bui. 3^8 (1914), pp. 6.2.3-6.51. pi. l).—ln 

 an introduction to this bulletin J. H. Comstock briefly describes the entomologi- 

 cal work of the late Prof. Slingerland, wliich conmieuced in 1890. Attention is 

 called to his monographic work on a few important insects and the excellence 

 of the illustrations used as a result of his skill in photographing entomological 

 subjects. It is stated tliat he was the first to make use of the spray calendar. 



Popular and technical articles to the number of 755 are listed chronologically 

 beginning with the year 1890. 



[Report of studies on entomological problems in South. Africa], D. 

 d'Emmerez de Charmoy (Reduit, Mauritius: Govt. Ent., 1914, pp. 12). — This is 

 a report of studies made during a visit to South Africa, covering a period of 

 3J months following November 2, 1913. 



Sugar cane pests in the Leeward Islands, H. A. Ballou (Imp. Dept. Agr. 

 West Indies Pamphlet 15 {1914), PP- 8+45, pi. 1, figs. 20; abs. in Agr. News 

 [Barbados^, 13 {1914), No. 821, pp. 266, 267).— This paper deals briefly with the 

 important insect enemies of sugar cane. 



Citrus fruit insects in Mediterranean countries, H. J. Quayx,e {U. S. Dept. 

 Agr. Bui. 134 (1914), pp. 35, pis. 10, figs. 2).— This is a report of observations 

 made during the summer of 1913 while engaged in a survey of citrus and other 

 fruit insects in Mediterranean cotmtries. Because of the important bearing on 

 the possibility of the entrance of the fruit fly with ^Mediterranean fruit, the 

 paper includes a report on harvesting and marketing conditions of citrus fruit, 

 more particularly as to methods of picking, sorting, curing, and shipping. The 

 observations indicate that there is little danger of fruit fly introduction from 

 the lemon, which is the main citrus importation from Mediterranean countries, 

 but that there is some danger from oranges and certain other fruits at particu- 

 larly favorable seasons of the year. 



The species discussed are the Mediterranean fruit fly {Ceratitis capltata), 

 black scale, Chrysonvphalus dictyospermi, purple scale, the long scale, Parlatoria 

 zisyphiis, the oleander scale {Aspidiotus liedera;), cottony cushion scale, citrus 

 mealy bug. Prays citri, red spiders, thrips, and the olive fly {Dacus olece). 



Combating insects injurious to orchards and vineyards by means of sea- 

 weed mucilage, Jssleib {Ztschr. Pflanzenkrank., 24 {1914), ^o. 2, pp. 78, 79). — 

 The author believes the employment of seaweed mucilage, prepared by boiling 

 4 lbs. of Irish moss or Iceland moss in 20 gal. of water for one hour, to be a 

 new and promising method for controlling many fruit pests. 



The insecticidal value of fluid extract of larkspur seed, J. B. Williams 

 (Amer. Jour. Pharm., 86 {1914), No. 9, pp. 4i4-4i6). — ^A number of fluid ex- 

 tracts were prepared, using various menstrua, with a view to determining the 

 constituent of larkspur seed {Delphinium ajacis) to which it owes its insecti- 

 cidal properties, and the best means of extracting the same. The resulting fluid 



