RANDOM NOTES ON NATURAL HISTORY. 



XXXV 



DESIRABLE GOODS 



To be found at the 

 OF 



SOUTHWICK & JENCKS, 



PROVIDENCE, R. I. 

 BIRD ECCS. 



407a European Hawk Owl $2 00 



Waxwing 2 50 



Purple Sandpiper 1 00 



European Swan 1 50 



Harlequin Duck 1 50 



King Eider 2 50 



Buffou's Jaeger 1 50 



412a Iceland Gyr Falcon 6 00 



669 King-billed Gull 1 00 



674 Franklin's Rosy Gull 3 00 



150 

 530 

 586 

 622 

 629 

 699 



MICA SAND. 



Of fine quality, price per lb $0 15 



81bs. for 1 00 



251bs. for 2 50 



Second quality, price per lb 08 



Slbs. for 50 



201bs. for 1 00 



If desired by mail, add 20c. per pound for 

 postage and packing. 



ARTIFICIAL LEAVES. 



A large assortment now on hand, including 

 green, frosted, and autumn, in a variety of 

 shapes and sizes. 



Prices of standard stock per gross: 



Large (with stems) $0 60 



Medium " 50 



Small " 40 



Extra large " 75 and upward. 



Ferns 1 00 



Artificial Grass, per gross of spiays, long 

 50c., short 40c. Especial shapes, colors, and 

 qualities made to order. 



THE FOLLOWING MINERALS IN EXCHANGE, OR AT REASONABLE RATES FOR CASH 



Magnetite, large crystals. 



Black Tourmaline, long crystals in white quartz. 



Tourmaline crystals, in colors. 



Rutile crystals. 



Spodumene crystals. 



Vesuvianite crystals. 



Cyanite, deep color. 



Zincite, deep color. 



Lepidolite, deep color. 



Tremolite crystals. 



Calcite (blue). 



Smoky quartz, crystals. 



Basanite. 



Brookite. 



Goethite. 



Pyrophyllite. 



Wad. 



Cinnabar. 



PUBLICATIONS OF THE 



CONCHOLOGICAL SECTION^ 



Academy of Natural Sciences, Philadelphia. 



AMERICAN JOURNAL OF CONCIIOLOGY, 1865-'71, 8vo., contains 2,500 pages, 

 illustrated by 150 plates, many of them colored, beside nearly 1,000 wood engravings, 

 with many valuable papers, including contributions from all the leading American con- 

 chologists. 



We have for Sale ONE DUPLICATE SET, bound in Three Vols., Half Calf. 

 Price, $50. 



