225 

 r.rr.LETiN xo. c. ocTor.En. i8S9. 



Gkf:eniioise iikatin(; — steam vehsus hot avateh, S. T. Maynard, 

 ]^. S. (])p. ?>-o). — This is a report on the continuation of an oxpori- 

 nicnt (Icscrilxnl in liiillctin X((. 4 of tiiis Station, and inclutlcs the rec- 

 ord of the two systems of heatinj:' a'reenhouses for March and A[)ril, 

 18S1). The resuhs ai>Tee with those of the two previous months. Dur- 

 ing the Foiu' months from Dccemher •J-'>. l.ssiS. to April 24, 1889, the 

 hot-water boik'r con-^umed 4 tons l,]5r) i)oun(ls of coal to maintain ari 

 averaoe temperature of 53.5° F. ; the steam boiler consumed 5 tons 

 1.2()1 pounds of coal to maintain an average temperature of 51.2° F. 



STRAwnERRip:s — test of VARiE'iTES, S. T. Mayxard. B. S. (pp. 0-8) . — • 

 A record of tests of seventy-seven varieties, with additional notes on 

 a few selected varieties. The old varieties which did the best in 1889 

 are Crescent, May King, Sharpless, Belmont, and Miner's Prolific; 

 of the varieties which have been tested here tAvo or three years, Jes- 

 >ie, Buback, and Gandy's Prize are especially commended. It is 

 stated that the market demands large berries even at the expense of 

 qualit}', and that many growers have not yet learned that such fruit 

 can be grown only with the highest cultivation. 



FiTXOOUS DISEASES (»F I'EAXTS, J. E. HUMPHREY, B. S. (pp. 9-19). 



This includes general explanatory statements regarding fungi and 

 the means for their destruction or prevention, and brief accounts of 

 the black ^-poi of rose le.ives (ArthioncNtc rosa-, Fr.). black knot of 

 the phnn { Pioi'-rH/litid moihoi^iu Sacc). and ])otat() blight and rot 

 {Phiifopltflioi (I iiifcstdiis. (k- liy.). with suggestions as to remedies. 



.MKTE<)i:()I,0(;iC.\L P.rr,t,E'! INS Xos. 1-T2, .JAXl'AUY-DECEMREK. JS80. 



These contain a record of the ol)servations made at the meteorolog- 

 ical observatory of the Station, in charge of C. D. Warner, including 

 daily observations of the barometer, sun thermometer, hygrometer, 

 thermometer, direction and velocity of the wind, cloudiness, rain, and 

 snow. A monthly summary of these observations is also given in 

 each bulletin. 



SPECIAL BULLETIN, NOVEMBER, 1S89. 



Tin: (JipsY .AU)iii (OcxERiA nispAR. L.), C H. P'erxaij). Ph. D. 

 (pp. 3-8). — This contains an illustrated descri])tion of this insect, 

 suggestions as to its destruction, a list of trees and plants on Avhich it 

 feeds, an account of its introduction into this country, and statements 

 which indicate the danger of its spreading widely here. This insect 

 was accidentally introduced into this country about twenty years ago, 

 and is noAV acclimatefl in Medford, Mass., where it has greatly dam- 

 aged the fruit crop and the foliage of the shade trees. It is abundant 

 in nearh' all parts of Europe, Northern and Western Asia, and even 

 as far east as Japan, AATien the long list of trees and plants on which 



