720 EXPERIMENT STATION RECORD. 



infection, while the author found it impossible to transmit the disease experimentally 

 to field mice. Rats fed on cultures of the organism failed to develop the disease. 

 Guinea pigs, rabbits, pigeons, and chickens were found to be completely immune to 

 hypodermic, intraperitoneal, or intravenous inoculations of large doses of pure culture. 

 A bibhography of this subject is appended to the article. 



Zoological Record, D. Sharp {Zool. Rec, 87 {1900), pp. ii77).— This volume, as 

 usual, contains bi]>lingraphical references to literature on general zoology, mammals, 

 birds, reptiles, batrachians, fishes, tunicates, mollusks, brachiopods, bryozoans, crusta- 

 ceans, arachnids, myriopods, insects, echinoderms, worms, coelenterates, sponges, and 

 protozoans. A list is given of the titles of journals, transactions, etc., which contain 

 zoological papers which are noted in the volume, and an index of new genera and 

 subgenera menti(jned in the volume is given by the editor. In each subdivision of 

 the volume the literature is arranged alphabetically according to authors and system- 

 atically according to subjects. 



Laws for the protection of birds and game in the District of Columbia, 

 T. S. Palmer {J\ S. Dept. Agr., Division of Biological Stirvey Circ. 34, pp- S) . — Three 

 laws are in force in the District of Columbia for the protection of game — the District 

 game law of March 3, 1899; an act amending that law, approved March 3, 1901; and 

 the Lacey Act. The objects of these laws are to preserve birds which naturally occur 

 in the District, and to prevent the development of a market in the District of Colum- 

 bia for birds and game illegally killed in the various States. 



METEOROLOGY— CLIMATOLOGY. 



Meteorological observations, J. E. Ostrander and H. L. Bodfish {Massachu- 

 setts Sta. Met. Bills. 154, 155, 156, pp. 4 each). — Summaries of observations on pres- 

 sure, temperature, humidity, precipitation, wind, sunshine, cloudiness, and casual 

 phenomena during October, November, and December, 1901. The general character 

 of the weather of each month is briefly discussed, and the December bulletin gives a 

 summary for the year. The principal data in this summary are as follows: 



Pressure^ (inches). — Maximum, 30.69, January 3, January 20; minimum, 29.01, 

 January 28; mean, 29.955. Air temperature'^ (degrees F.). — Maximum, 100.5, July 2; 

 minimum, —10.5, December?; mean, 46.9; mean sensible (wet bulb) , 43.4; maximum 

 daily range, 50, April 29; minimum daily range, 3.5, March 12; mean daily range, 

 20.5. Humidity. — Meandewpoint, 37.6; mean relative humidity, 71. Precipitation. — 

 Total rainfall or melted snow, 49.72 in.; number of days on which 0.01 in. or more 

 rain or melted snow fell, 135; total snow fall, 52.3 in. Weather.— Toi&X cloudiness 

 recorded by sun thermometer, 2,590 hours, or 58 per cent; number of clear days, 81; 

 number of fair days, 105; number of cloudy days, 179. Bright sunshine. — Number of 

 hours recorded, 1,866, or 42 per cent. Wind. — Prevailing direction, W.; total move- 

 ment, 50,353 miles; maximum daily movement, 520 miles, December 15; minimum 

 daily movement, 3 miles, December 19; mean daily movement, 138 miles; maximum 

 pressure per square foot, 24 lbs., September 11, S. Dates of frost. — Last, May 6; first, 

 September 26. Dates of snow. — Last, April 3; first, November 11. 



Meteorology, W. Frear and C. W. Norris {Peniisylvania Sta. Rpt. 1900, pp. 

 388-427). — "The work of the past year has been chiefly a continuation of the work 

 of the preceding years [E. S. R., 12, p. 618], including observations of the kind 

 usually made by the United States Weather Bureau upon atmospheric phenomena 

 and upon the amount of sunshine." Monthly summaries of observations are given 



^ Reduced to freezing and sea level. 



''■ In ground shelter, 51 ft. below level of other instruments. 



