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The Diatomaceae of Philadelphia and Vicinity 



By CHARLES S. BOYER, A. M, F. R. M. S. 



The most recent book of the diatoms, and one that is serviceable over a far greater 

 area than is indicated by the title. A fascinating subject properly treated. More 

 than 700 illustrations, enlarged 800 diameters, from original drawings by the author, 

 adequately supplement the text. Methods of collecting, preparing, mounting and 

 examining diatomaceous material are given. The work contains 143 pages, 9 by 12 

 inches, not including the full-page plates, with complete index. Price, bound in art 

 vellum cloth, $5.00. 



The Book Department :: Aquatic Life 



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5000c* 



JULIUS RIEWE 



BREEDER AND FANCIER OF TROPICAL FISHES 



3519 Costello Avenue, Chicago, III. 



Fine stock of Danio malabaricus, D. alboline- 

 atus, D. rerio, Barbus conchonius, B. semifas- 

 ciolatus, B. ticto and many other kinds of 

 tropical fishes. None shipped. Telephone Bel- 

 mont 5092. 



New Aquarium Fish 



Channa fasciata, from Southern Asia. Same 

 general shape as "snakehead," but handsomely 

 marked with blotches of green, thickly dotted 

 with silver. Very unusual. Young ones, 

 about 2 inches, 4 for $10. 



WM. T. INNES, 1824 N. Park Avenue, Philadelphia, Pa 



"AQUARIA FISH" 



A practical work on care and breeding of 

 fish in the aquarium, greenhouse and out- 

 door ponds. Finely illustrated. 

 Everyone interested in keeping fish should 

 send for a copy of this book. Price, $1.00. 



F. L. TAPPAN, Route 2, Hopkins, Minn 



Tropical*. Sprinkle on iurUc4 

 r 5h«ker u thin h. 

 floM indefinitely. Tn« 



s. o. s. 



FISH FOOD 



MAHUFACTUREO BY 

 ^ROBERT J SCHAEFFER, 



PHILA. PA. 



Robert J. Schaeffer 



S, O. S. a new food for Gold- 

 fish and Tropicals. The un- 

 consumed food developing into 

 infusoria. 



S, O. S. 35c box; by mail 38c 

 Magic (Infusoria) 50c postpaid 

 Yogi Fishfood 15c; by mail 17c 

 Yogi by lb 75c; ad postage 

 Yogi 10 lb lots 65c; ad postage 



Circular on above products 



7421 Montour Street 

 Burholme, Philadelphia 



For Sale 



An aquarium manufacturing works, with fully 

 equipped goldfish and supply outfit. Has been 

 operated successfully for eighteen years. No 

 better or finer aquariums made. Must be sold 

 at once to permit the owner to give entire 

 attention to other important business. Write 

 for full particulars. 



Pioneer Aquarium Works. Racine, Wisconsin 



Sale or Exchange 



Surplus Stock of Rare and Fancy Fish 

 Plants of All Kinds 



G. Germann, 0. D. 3823 N. Richmond St. Chicago 



Phone: Monticello 6864. 



Mollienisia latipinna 



Mollienisia latipinna — Large size (tank raised). $4. mi per dozen. Cans, 50 cents. 



Jap Snails. ifl.Oi d $2.00 per dozen. 



1'LAXTS — Vallisneria (narrow leaf). 30 cents per dozen; Yallisneria (wide leaf), GO 

 cents per dozen: Sagittaria (broad leaf). 75 cents per dozen; Water Poppy, .$1.00 per dozen; 

 Cabomba, Giant Anacharis, Potomogeton and Myriophyllum Spicatum (milfoil), 75 cents per 

 dozen bunches. Egyptian Lotus (dormant tubers; best time to plant), 50 cents each. Red, 

 White and fellow Water Lilies (dormant tubers), 50 cents each. All plants sent postpaid. 



Twelve kinds of aquarium plants. $1.00, postpaid. 



The best fish food, dried fresh water shrimp (contains no other substances), per pound, 

 $1.10, postpaid. 



CRESCENT FISH FARM, 1624 Mandevilie Street, New Orleans, La. 



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