492 



Louisiana Stations, Third Annual Keport, 1890 (pp. 14). 



A brief outline of tlie work of the three stations in Louisiana during 

 1890, together with a subjeet list of all the bulletins thus far issued by 

 these stations. 



Massachusetts Hatch Station, Meteorological Bulletin No. 25, January, 1891 



(pp. 4). 



A daily and monthly sunuuary for January, 1891, and an annual sum- 

 mary for 1890, of observations made at the meteorologieal observatory 

 of the station, in charge of C. D. Warner, B. S. 



The annual summary for 1890 is as follows: Pressure (in inches). — 

 Actual ma.xiinum reading 30.64, January 1, 1 a. m.; actual minimum 

 reading 29.01*5, October 27, 2 p. m. ; mean reduced to sea level 30.03; 

 annual range 1.G15. Air temperatm'e (in degrees Fah.). — Highest 92, 

 July 8; lowest 2, March 7; mean 47.7; annual range 90; highest mean 

 daily 80, July 31 ; lowest mean daily 84, December 30; mean maximum 

 51.3 ; mean minimum 37.4 ; mean daily range IG.S ; greatest daily range 

 38, April 13; least daily range 2, February 28, 5.5 April 27. Humid- 

 itxj, — Mean dew-point 40.6 ; mean force of vapor 4,378; mean relative 

 humidity 71.1. Viind (prevailing direction). — North 15 per cent; South 

 11 per cent; Northwest 11 per cent; South Southwest 10 per cent; 

 total movement 54,648 miles ; greatest daily movement 410 miles, April 

 5 ; least daily movement 18 miles, February 25; mean daily movement 

 149.6 miles; mean hourly velocity 6.2 miles; maximum pressure per 

 square foot 27.75 pounds=74 miles per hour, January 8, 3 a. m. Prcdpi- 

 tation. — Total rainfall or melted snow 39.48 inches; number of days 

 on which .01 of rain or melted snow fell 141; total snow-fall in inches 

 42.5. Tfea/Zier.— Mean cloudiness observed 57 per cent; total cloudi- 

 ness recorded by the sun thermometer 2,279 hours, or 51 per cent; 

 number of clear days 137 ; number of fair days 105; number of cloudy 

 days 123. Bright sunshine. — Number of hours recorded 2,194; mean 

 ozone 38 percent. Dates of frosts. — Last, May 12; first, September 25. 

 Dates of snoic. — Last, April 8; first, October 19. Twenty-two halos 

 were observed; 70 ]ier cent were accompanied by storm within 24 

 hours, and 61 per cent within 48 hours after the occurrence of the halo. 



Michigan Station, Second Annual Report, 1889 (pp. 298). 



Eeport of director, O. Clute, M. S. (pp. 11,12).— A brief state- 

 ment of the way in which the work of the station is conducted. 



Keport of agricultuhist, S. Johnson, M. S. (pp. 15, 16). — A 

 brief outline of the work in this division of the station. 



Keport of horticultitrist, L. K. Taft, M. S. (pp. 17-21). — A brief 

 account of experiments with seeds, and with numerous varieties of fruits 

 and vegetables. 



Seed testing. — Germination tests of seeds from more than a dozen 



