The Comstock Publishing Company Cornell Heights, Ithaca, N. Y. =================================================================== Choice Mineral Specimens It affords this establishment pleasure to state that though we are over fifty years old we are still seeking with youthful energy new finds of choice mineral specimens. A few of our recent additions will show from what widely distributed areas we draw: =Japan=: =Chalcopyrite= in groups of sharp crystals, some of them beautifully iridescent. =Stibnite=, brilliant crystals, 5 to 8 inches long. =Hokutolite=, a new radio-active barium-lead silicate. =Reinite=, in large, sharp crystals. =Quartz Twins=, fine, large crystals. =Rhodesia=: =Malachite=, beautiful polished specimens showing concentric banding. =Hopeite=, in small groups of excellent crystals. =Madagascar=: =Betafite=, a new uranium niobate, in good crystals. =Euxenite=, good crystals. =Beryl=, in large brown crystals with pyramidal faces. =California=: =Tourmaline=, polished transverse sections of large crystals of rich red and green colors. =Kunzite=, superb gem crystals. =Benitoite= and =Neptunite= in fine crystals and groups. =Greenockite= on =Magnetite=, uncommonly good. =Utah=: =Willemite=, drusy masses of colorless and red crystals. =Aurichalcite=, singularly beautiful robin's-egg blue, crystallized coatings. =Nova Scotia=: =Magnesite= in groups of small distinct hexagonal crystals. New lots of fine specimens are constantly arriving. Ask for price-list No. 160. Cheap minerals are described in No. 158. Circular No. 170 enumerates all of our many catalogues and price-lists. Ward's Natural Science Establishment 84-102 College Avenue Rochester, N. Y. =================================================================== Entomological News A forty-eight page illustrated magazine, published monthly except August and September, devoted to the study of INSECT LIFE. It contains a list of the titles of the current Entomological Literature, and also articles by the leading Entomologists in the United States and Canada. Valuable information for the beginner, the economic entomologist and the systematist. To new subscribers, $1.90; Renewals, $2.00; payable in advance. Single copies 25 cents. Address ENTOMOLOGICAL NEWS 1900 Race Street, Philadelphia, Pa.