Science, New Series, Vol. 42, No. 1078 (Aug. 27, 1915), pp. 284-286 (3 pages) 1. Ten per cent. hay infusion proved to be the most favorable medium for the development of large numbers of small ...

I WAS interested in Mr. T. Goodey's letter under the above heading in NATURE of March 13, but should like to make a few remarks thereon. Hay infusion, which Mr. Goodey states caused the excystation of ...