NEW YORK. 153 



Bulletin 191, pp. l$,pls. 5, map 1 {Popular edition, pp. 11, pis. 3. — 

 A Fruit Disease Survey of Western New York in 1900. — Notes on 

 different diseases of orchard and small fruits occurring in 18 counties 

 in the western part of New York, the data being obtained from per- 

 sonal observations and from replies to circulars of inquiry sent to 

 fruit growers. 



Bulletin 192, pp. 18, pis. 6. — The Substitution of Soda for Potash 

 in Plant Growth. — The results of previous investigations on this sub- 

 ject are briefly reviewed and an account is given of pot experiments 

 carried on in a forcing house at the station during two winters. 



Bulletin 193, pp. 18, pis. 6. — San Jose Scale Investigations. I, The 

 Development of the Female. — Investigations here reported included 

 experiments to determine the duration of the period of activity, rate 

 of travel and mortality of larvae, duration of the period of growth, 

 and the effect of temperature on the development of larvae. The 

 different stages in the life history of the insect and means of distri- 

 bution and control were studied. 



Bulletin 19Jf,, pp. 16 {Popular edition, pp. 11, pis. 2). — San Jose 

 Scale Investigations. II, Spraying Experiments with Kerosene Oil; 

 Methods of Combating the San Jose Scale. — Experiments reported in 

 detail in this bulletin were undertaken for the purpose of determin- 

 ing the effects of winter applications of kerosene oil on nursery trees 

 and bearing trees, the percentage of oil necessary to kill scales in 

 winter, and the effect of summer application on healthy trees. Brief 

 notes are also given on the method of fumigation by hydrocyanic-acid 

 gas and spraying with crude petroleum and whale-oil soap. The pop- 

 ular edition summarizes this bulletin with the preceding. 



Bulletin 195, pp. lJf. — Director's Report for 1900. — A review of the 

 different lines of station work with results obtained, including also 

 notes on the station staff, institute and inspection work, cooperative 

 experiments, etc., and a subject list of bulletins published in 1900. 



Bulletin 196, pp. 62, pis. 3, figs. 6 {Popular edition, pp. 15, pi. 1, 

 figs. 5). — Spraying in Bloom. — Extensive field experiments as regards 

 the effect of spraying fruit trees when in full bloom upon the yield 

 conducted at the Cornell Station and at the State Station are reported, 

 as is also a laboratory study of the effect of spray mixtures upon the 

 germination of pollen and the growth of pollen tubes made at the State 

 Station. Observations made at the State Station on the effect of spray 

 mixtures on individual blossoms are reported and a description is given 

 of the structure of an apple blossom and the process of setting fruit. 



Annual Report, 1899, pp. 503, pis. 35. — This contains the organi- 

 zation list of the station, a financial statement for the year ended 

 September 30, 1899, a meteorological record, and reprints of Bulletins 

 158-173 of the station. 



