. Science-gossip. ill be ?.loured blue. V ver ivenient and useful method for the pri Ilium an staining and examination ol an lion, is in it, when fii. .1. in ,, drop of r s methylene blue and remove all surplus stain by gently pressing a piei e ol blotting papi 1 upon the 11 ? Mil robes, cell nuclei, etc., lake up the dye very readily, and show up well although m in the (lye itself, which in such a thin film appears almost white by contrast. Bakers No. i Microscope. In ani the parasite, we gave a des-cription of th imalltravelling microscope which , linke
. Science-gossip. ill be ?.loured blue. V ver ivenient and useful method for the pri Ilium an staining and examination ol an lion, is in it, when fii. .1. in ,, drop of r s methylene blue and remove all surplus stain by gently pressing a piei e ol blotting papi 1 upon the 11 ? Mil robes, cell nuclei, etc., lake up the dye very readily, and show up well although m in the (lye itself, which in such a thin film appears almost white by contrast. Bakers No. i Microscope. In ani the parasite, we gave a des-cription of th imalltravelling microscope which , linker originally made for Major Ross, andwith which the latter carried out his the co ol thi ami maker, we are now able 10 illustrate one of twelve microscopes supplied by him to the London School ol tropical Medicine,which instrument has recently been submitted to usfor inspection. The illustration explains itself, but we may call attention to the fact that inMr. Baker has adopted the lever form. at, which, originally so adversely imw justified its existence as being one of themosl delicate, ycl steady and reliable adjustmentsmade. The form of tripod foot is steady and givesmore room than usual for the adjustment of the understage arrangements. The microscope is fitted withthe usual focussing and centering substage, swingingtail-rod for mirrors, draw-tube, etc. and with theaddition of the excellent mechanical stage shown inthe illustration costs /.It. Without this last, butwith the Nelson type of horse-shoe stage, fitted withsliding bar, the microscope costs £S 8s. Thisment can he strongly recommended both foimanship and design, for all purposes of originalresearch. 248 SCIENCE-GOSSIP. Mr. R. G. Masons Catalogue.—Mr. R. , of 69, Clapham Park Road, sends us aninteresting list, which contains several novelties,amongst which we may mention a convertible lanternand table microscope. Most of the microscopesappear to be of good design, and ther
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