496 



KANSAS CITY REVIEW OF SCIENCE. 



the fatal dart to seize its victim. As soon as the Arachnid finds itself discovered 

 it stops, trembles and prepares for defence by rearing on its hind feet. The con- 

 test is short but sharp and ends in the spider's receiving a paralyzing thrust from, 

 the sting of its mortal foe, and it is soon put away, not exactly as canned meat,, 

 but as preserved food for use in a future time of need. 

 Hutchinson, Kanass, Nov. t2, i88i. 



ASTRONOMY. 



ASTRONOMICAL NOTES FOR DECEMBER, li 



BY W. W. ALEXANDER, KANSAS CITY, MO. 



The most favorable time for making telescopic observations will be from the 

 nth to the 15th and from 25th to the 29th. 



