(W. B. [publication] 123.) 10c single copy, $1.00 a yr
Notes:
Contents:
Aurora australis of Apr. 20; by M. W. Campbell-Hepworth.
Climate and crop service. Climatology of month.
Clothing and temperature; by W. F. R. Phillips.
Coordinate axes for magnetic and meteorological observations and computations, Standard system of; by F. H. Bigelow.
Meteorological tables.
Notes by editor. Publications, Recent; by H. W. Smith.
River and flood service.
Wind-barometer table; by E. B. Harriott.