6 



correspondence. Report has therefore been made exclu- 

 sively on those respecting which inquiry has l^een made, 

 namely : — 



1. The buffalo carpet beetle. (Bulletin No. 5.) 



2. The pitchy carpet beetle. (Bulletin No. 5.) 



3. The larder or bacon beetle. (Bulletin No. 5.) 



4. Clothes moths. (Bulletin No. 5.) 



5. Ants. (Bulletin No. 5.) 



6. The gypsy moth. (Special Bulletin, and No. 7.) 



7. Tuberculosis in the domestic animals. (Bulletin 

 No. 3.) 



Division of Meteorology. 



The observatory is equipped with the following instruments : 

 Draper's self-recording barometer, Draper's self-recording 

 anemometer. Draper's self-recording anemoscope. Draper's 

 self-recording force of wind, Draper's self-recording sun ther- 

 mometer. Draper's self-recording wet and dry thermometer, 

 Draper's self-recording thermograph, Draper's self-recording 

 rain gauo-e, two sets of common thermometers, maximum and 

 minimum thermometers, hygrometers, ozometer, and a few 

 other instruments of minor importance. 



The work in this department comprises thus far investi- 

 gations in atmospheric pressure ; temperature at different 

 heights ; precipitation and relative humidity at different ele- 

 vations ; direction, velocity and pressure of wind ; percentage 

 of cloudiness ; various systems of clouds, their movement 

 and direction ; amount of sunshine and temperature in sun. 

 There is kept a full i-ecord of heavy and light dews, hard 

 and light frosts, halos, coronte, storms, and all natural phe- 

 nomena. In short, a full and careful history of each day is 

 written down and placed in the observatory for future ref- 

 erence, in order that data may be collected for determining 

 the general character of climate, and the periodic recurrences 

 of certain natural phenomena in the vicinity of the station. 

 In addition to this, monthly bulletins are issued, recording 

 for each day the meteorological phenomena observed. In 

 the recent division of the country into districts, to promote 

 the efficiency of the United States Signal Service in making 

 local weather predictions, this station has been selected to 

 co-operate in the work of the New England division, and 

 furnish data to Lieut. John P. Finley, the officer in charge. 



