RT Journal T1 MAlaria in the netherlands JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1939 FD April 22 VO 112 IS 16 SP 1631 OP 1632 DO 10.1001/jama.1939.02800160095036 UL http://dx.doi.org/10.1001/jama.1939.02800160095036 AB The authors, both from the Institute of Tropical Hygiene of Amsterdam, have presented an interesting book on an old but ever changing and expanding theme. One might think that such a subject would be dry and uninteresting, but this book is presented in such a way that it easily holds the attention. The authors have done a perfectly tremendous amount of careful and continued investigation, and one must be impressed by the enormous amount of difficult work involved in gathering the data presented.It is something of a surprise to know that the Netherlands presents such a serious malarial problem. It lies far to the north and even though it is low and full of canals, one would naturally think of malaria as only an occasional importation as it is in most of our northern latitudes. But the authors show that special development and adaptation of a short-winged anopheles mosquito