554 EXPEEIMENT STATION RECOKD. 



The present status of the white-pine blister rust, P. Spattldinq (U. 8. 

 Dept. Agr., Bur. Plant Indus. Circ. 129, pjh 9-20, figs. 6). — The author presents 

 new information concerning the blister rust of white pine and the fungus 

 causing it, supplementing a previous report (E. S. R., 25, p. 457). The infor- 

 mation includes additional field characters by which the disease may be recog- 

 nized. Notes on the origin of diseased stock, on the inefficiency of inspection 

 even when repeated, variations in the fruiting of the fungus, distance to which 

 its spores are distributed, and methods by which the fungus is carried from one 

 place to another, together with abstract of recent legislation regarding this 

 disease, are included. 



A new disease on the larch in Scotland, A. W. Borthwick and M. Wilson 

 (Notes Roy. Bot. Gard. Edinh., 8 (1913), No. 36, pp. 19-82, pi. 1; noted in Gard. 

 Chron., 3. ser., 53 (1913), No. 1378, p. 348).— A disease of larch due to Perider- 

 mium laricis is described, this fungus not having been hitherto reported in 

 Scotland. It is said to attack larch early in the season and is found fully 

 developed on leaves only three weeks old. Its presence resulted in the shed- 

 ding of the leaves as early as JiNie 30. The fungus is always found on the 

 upper side of the leaves and sometimes also on the lower side. It is distin- 

 guished from Cceoma laricis, which produces orange-colored spots on the leaves, 

 by its pseudoperidium. 



Merulius sclerotiorum, M. Mobius (Ber. Deut. Bot. Gesell., 31 (1913), No. 3, 

 pp. 147-150, pi. 1). — The author describes in some detail the fungus found on 

 structural timber of houses and supposed by him to belong to Merulius sclero- 

 tiorum already described by R. Falck (E. S. R., 28, p. 751). 



Spraying' mixtures, G. Chappaz (Prog. Agr. et Vit. [Ed. rEst-Centre], 34 

 (1913), No. 16, pp. ^87-^9i).— Continuing previous work (E. S. R., 27, p. 254), 

 the author gives additional formulas and directions for the preparation and use 

 of fungicides. 



Adherent spraying mixtures, H. Astruc (Prog. Agr. et Vit. [Ed. VEst- 

 Centre], 34 (1913), Nos. 24, pp. 746-753; 25, pp. 780-782).— This is a discussion 

 of the observed effects of several components, in varied proportions, of spraying 

 mixtures, with some recommendations as to the proportions considered safe and 

 effective. 



Action of silver on Aspergillus niger, H. Clement (Compt. Rend. Soc. Biol. 

 [Paris'i, 7// (1913), No. 13, pp. 749, 750). — It is here claimed as the result of 

 long experimentation that silver salts are not necessarily and in all concentra- 

 tions incompatible with the development of A. niger. 



ECONOMIC ZOOLOGY— ENTOMOLOGY. 



The birds of Virginia, H. H. Bailey (Lynchburg, Va., 1913, pp. XXIII+ 

 362^ pis. 15, figs. 108). — This work deals with those birds which are known to 

 breed within the limits of the State and is based upon studies commenced in 

 18S9. A hypothetical list is given of such birds as should breed within the 

 State, but of which the author has been unable to gain satisfactory evidence of 

 their doing so. 



The halftones are from photographs taken from nature by the author and 

 his ornithological friends. 



Proposed regulations for the protection of migratory birds (U. S. Dept. 

 Agr., Bur. Biol. Survey Circ. 92, pp. 6). — These regulations have been prepared, 

 pursuant to the provisions of the act of March 4. 1913 (E. S. R., 28, p. 302). to 

 become effective on or after October 1, 1913. The text of the provisions is 

 appended. 



