1919] FOODS HUMAN NUTRITION. 459 



Notes on and descriptions of some sawfiies from the Australian region, 

 S. A. Rohweb (Ann. and Mag. Nat. Hist., 9. ser., 2 (1918), No. 11, pp. 433-440). 



An entomogenous fungus growing from the cocoon of a braconid, G. T. 

 Lyle (Entomologist, 51 (1918), No. 665, pp. 227-229, fig. 1).— This note relates 

 to Isaria arachnophila, found growing in cocoons of Braconidaj of the aphldl- 

 vorous genus Praon, undoubtedly P. volitate. 



A contribution to the biology of fruit-fly parasites in Hawaii, C. E. Pkm- 

 herton and H. F. Willard (Jour. Agr. Research [U. &'.], 15 (1918), A'o. 8, pp. 

 .'if 9-465, pi. 1, figs. 41). — This report of investigations by the Bureau of Ento- 

 mology of the U. S. Department of Agriculture deals particularly with the 

 hymenopterous parasites, Diachasma tryoni, Opiut humilis, D. fuUuwayi, and 

 Tetrastichus giffardianus. A discussion of the parasitism of the melon fly by 

 fruit-fly parasites, relation of the introduced pupal parasites to the established 

 larval parasites of the fruit fly, Pachycrepoideus dubkis, occasionally reared 

 from fruit fly puparia, and Pheidole megacephala as a predacious enemy of the 

 fruit fly, follows. 



A list of seven references to the literature cited is included. 



Note on the adult habits of some hymenopterous egg parasites of Orthop- 

 tera and Mantoidea, C. T. Brues (Psyche, 24 (1917), No. 6, pp. 195, 196, fig. 1).— 

 This paper, which supplements that previously noted (E. S. R., 38, p. 63), calls 

 attention to the fact that the phenomenon of phoresy appears in members of 

 both the Chalcidoidea and Serphoidea. A drawing is given of Lepidoscelio 

 viatrix, a scelionid which attaches itself to the locust Dichromorpha riridis. 



[Leaf gall on Americana plums], D. B. Swingle and H. E. Morris (Mon- 

 tana Sta. Bui. 123 (1918), pp. 173, 180, 181, fig. 1; abs. in Circ. 77 (1918), pp. 

 158, 163, fig. 1). — The authors find that Eriophyes pruni on plum is easily con- 

 trolled by spraying with dilute lime-sulphur while the trees are still dormant, 

 and in some seasons when the buds are in the pink, but after the petals fall it 

 is too late to get the best results. 



The common cattle tick in Argentina, V. J. Jasschke (An. Soc. Ritrnl 

 Argentina, 52 (1918), No. 6, pp. 346-358). — This account relates to Margaropus 

 mivruplus. 



FOODS— HUMAN NUTRITION. 



Foods and their adulteration, H. W. Wiley (Philadelphia: P. Blakiston's 

 Son & Co., 1917, 8. ed., pp. XIV +646, pis. 11, figs. 87).— This is a third and 

 revised edition of the work previously listed (E. S. R., 25, p. 263). 



Results and expectations of research on fishery problems, P. H. Mitchell 

 (Sci. Mo., 6 (1918), No. 1, pp. 76-83).— The author suggests that research along 

 this line may be of great value in increasing the food supply. He believes that 

 general biological surveys serve to locate and protect fishing grounds, as has 

 been demonstrated in the case of tile fish. Studies on the life history of various 

 species make possible the development of modern methods of culture, as in 

 the case of oysters and lobsters. The need of further study of fish pathology 

 and the general nutritional value and limitations of fish and shell fish is 

 emphasized. 



A study of some of the chemical changes which occur in oysters during 

 their preparation for the market, E. E. Smith (U. S. Dept. Agr. Bui. 740 

 (1919), pp. 24). — An investigation was conducted during the fall and winter of 

 1914-15 in certain representative oyster houses in Connecticut to determine 

 the amounts of ammoniacal nitrogen, amino acid nitrogen, moisture, total solids, 

 ash, and sodium chlorid present in oysters under the various conditions through 



