154 EXPEKIMENT STATION EECOED. 



a resume is given of investigations carried on at tlie viticultural station at 

 Yillefranclie during tlie past tliree years on insecticides, fungicides, adtiesives, 

 etc. Most of tlie articles referred to have been noted previously. 



ECONOMIC ZOOLOGY— ENTOMOLOGY. 



Comparative physiology of invertebrates, H. Jordan {Vergleichende Phy- 

 siologie Wirhelloser Tiere. Jena, 1913, vol. 1-, pp. XXII+738, figs. 277; rev. in 

 Science, n. ser., 38 {1913), No. 971, pp. 197-199) .—This first volume deals with 

 nutrition. 



The common mole of the eastern United States, T. H. Scheffer (U. S. 

 Dept. Agr.. Farmers' Bid. 583 (1914), PP- 10. figs. .)). — This is a popular account 

 of the common mole, its habits, nature of its injury, control measures, etc. A 

 report of the author's studies of the common mole has been noted (E. S. R., 23, 

 p. 752). 



This mole (Scalopus aquaticiis) is found almost everywhere south of the New 

 England States, New York, Michigan, and central Wisconsin, except in the 

 mountain regions. In the latter districts and in the greater part of Pennsyl- 

 vania, New York, and New England the common mole is replaced by the star-' 

 nosed mole (Condiylura cristata) and Brewer's mole (Parascalops breiceri). 



Work of California gray squirrel on conifer seed in the southern Sierras, 

 S. Berry (Proc. 8oc. Amer. Foresters, 9 (1914), ^o. 1, pp. 95-97).— The Cali- 

 fornia gray squirrel {Sciitrns griseus) is said to be very numerous throughout 

 the yellow and sugar pine regions of the southern Sierras during the summer 

 months, and apparently devotes a large portion of its time to cutting pine cones. 

 During the summer of 1010 it was observed in the act of cutting sugar pine 

 cones over widely distributed areas within the Sierra and Sequoia National 

 Forests during the first days of June. The squirrels are continuously at work 

 destroying seed for a period of 3 months prior to September 1, and any seed 

 dropped or scattered during this period is yet immature and will not germinate. 

 Thus it appears that in the destruction of so large an amount of seed the Cali- 

 fornia gray squirrel is not only a serious menace to reproduction and hinders 

 the forestation of idle land, but its work caiises the reproduction to consist 

 mostly of the less valuable species, due to the fact that the seed of sugar pine 

 and yellow pine is the most frequently eaten, while seed of inferior species like 

 fir and cedar is not touched when the others can be found. It is, therefore, 

 thought desirable that the present game laws be so amended as to remove the 

 protection from the California gray squirrel, at least in counties where there is 

 coniferous timber. 



Squirrels and sugar pine reproduction, E. V. Jotter (Proc. 8oc. Amer. 

 Foresters, 9 (19U), No. 1, pp. 98-101).— This paper relates to the destruction 

 of sugar pine seed by squirrels, as noted above. 



[Habits of pheasants], G. W. Field, G. H. Graham, and W. C. Adams (Mass. 

 House Representatives Doc. 2049 (1914), pp. 14; abs. in Ank, 31 (1914), No. 2, 

 pp. 271. 272). — This special report of the Massachusetts Board of Commissioners 

 on Fisheries and Game relative to the habits of pheasants includes a summary 

 of the history of introduced pheasants within the State, value, methods adopted 

 in rearing, etc. 



The nutrition and habits of the angleworm in its relation to agriculture, 

 E. Keup (Mitt. Deut. Landw. Gesell, 28 (1913), Nos. 39, pp. 538-542; 40, pp. 

 552-555; 41, pp. 466-570).— A report of studies. 



Helminthological investigations, C. Gravier (Rev. G4n. Set., 25 (1914), No. 

 4. pp. 149-160). — This is a review of studies of plathelminths, nematodes, 

 Acanthocephala, etc., published during the j^ears 1900-1911, inclusive. 



