METEOROLOGICAL REPORT, 1871. 445 



Fig. H. Foot of first pair, x 250. 



Fig. 15. ,, fifth pair, female, x 250. 



Fig. 1G. ,, ,, male, X 250. 



Fig. 17. Caudal segment of female, x 250. 



XX. — Meteorological Report for 1871. Edited by the Rev. R. F. 

 Wheelee, M.A., and Rev. R. E. Hooppell, LL.D. 



NOTES ON THE MONTHS. 

 January. — 



" When Candlemas day is come and gone 

 The snow lies on a hot stone." 



— Old Proverb. 



Greenwich. — The very cold weather which occurred at the 

 close of 1870 continued until January the 5th, then somewhat 

 moderated, but continued cold until the 13th. A few days of 

 temperature above the average followed. On the 19th the cold 

 weather returned and continued until February the 2nd. 



The mean temperature of January was 33*2°, being 3*1° lower 

 than the average of 100 years, and lower than any year back to 

 1842, when 32.9° was recorded. The mean high day tempera- 

 tures of January were 5*8° lower than the average. The mean 

 low night temperatures of January were 4*2° lower than the 

 average. 



The fall of rain was 0'2 inch in excess. 



The mean readings of the barometer oscillated above and 

 below the average several times during the first few days of 

 January, but on the 13th a rapid fall commenced, and reached 

 its minimum, 28"73°, on the 16th ; a steady increase was re- 

 corded after this, and, with few exceptions, continued until the 

 end of the month. The range of reading for January was 1*36 

 inches. 



North Sunderland. — The storm which began on December 

 the 20th continued all through January, except on the 14th and 



