Show FREAKS F and ODDITIES IN SCIENCE CE NEWS WS Houseflies usually regarded as pests to beU be U swatted or sprayed ed out of existence as quickly as possible are purposely raised In large numbers and Improvements in the technique o of their rearing rearing rear rear- ing jug are matters of real scientific and commercial concern Flies are desired by manufacturers of fly killing sprays who test the deadliness of their products on them Henry H. H Richardson of the U. U S. S department of agriculture has developed a medium for feeding the young youn or larval stage of files rues which Is state stated to be an improvement over the hitherto universally universal unIversal- ly employed stable waste The latter is disagreeable disagreeable disagreeable disagree disagree- able to handle sometimes unobtainable and often harbors parasitic red mites which attack flies files and andrender andrender andrender render them unsuitable for experimental purposes Mr Richardsons Richardson's medium consists of wheat bran alfalfa meal wat water r yeast and a commercial commercial commer commer- cial product containing a large percentage of af malt sugar The research on the new raising fly-raising food was conducted at Iowa State college at Ames as a crop protection Institute project backed by funds from a prominent oil oU refining company S 9 S 9 S Tumors are an affliction that visit small as well H U as great Even tiny insects may have them Professor Mary B. B Stark of the New v York Homeopathic Medical college and Flower hospital recently told of her studies on two types of tumors that appear in size gnat insect famous for tor its use in many genetic experiments though more familiar to moose of us as a L around fruit stands One of the tumor types Professor Stark said Is invariably fatal It attacks the grub or larval stage of the Insect and brings about death before It can become an adult It attacks only males The other type of tumor appears In both males and females and is quite benign never causing cousing death The insects do not even appear to be serIously seriously se so- Inconvenienced |