Journal of Entomology and Zoology — Advertising Section 



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: 



Rhodesia: 



Madagascar: 



California : 



Chalcopyrite in groups of sharp crystals, some of them beau- 

 tifully iridescent. 

 Stibnite, brilliant crystals, 5 to 8 inches long. 

 HokutoHte, a new radio — active barium — lead silicate. 

 Reinite, in large, sharp crystals. 

 Quartz Twins, fine, large crystals. 



Malachite, beautiful polished specimens showing concentric 



banding. 

 Hopeite, in small groups of excellent crystals. 



BetaBte, a new uranium niobate, in good crystals. 



Euxenite, gOod crystals. 



Beryl, in large brown crystals with pyramidal faces. 



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. 



Willemite, drusy masses of colorless and red crystals. 

 Aurichalcite, singularly beautiful robin's-egg blue, crystallized 

 coatings. 



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 cata- 

 logues and price-lists. 



Ward's Natural Science Establishment 



84- 1 02 College Avenue 

 Rochester, N. Y. 



