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§ 8 

 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 g 



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



8 adequately supplement the text. Methods of collecting, preparing, mounting and 8 



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 o 



vellum cloth, $5.00. 8 

 The Book Department :: Aquatic Life 



£300= 



pooch — kjock — >ooo( — >ooocrr>oooc 



3000^ 



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. 



THE FISH POND 



Lionnead Spawn. Also Young from tke 

 finest stock in the country 



SHAW, 1941 Morth 5th Street 

 Philadelphia 



"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 



YOGI 



FISH FOOD 



ROBT. J. SCHAEFFEft, 

 rua. ik 



Robert J. Schaeffer 



For best results use Yogi Fishfood 

 Thats what breeders say. Yogi 

 15c Box; by mail 17c 



Magic Infusoria 50c Postpaid 



I S. O. S. New Fishfood. The un- 

 consumed food developing infu- 

 soria. 35c; by mail 38c 



Ask your dealer or send for 

 them direct 



1818 Frankford Avenue 

 Philadelphia 



For Sale 



An aquarium manufacturing works, with fu _1 y 

 equipped goldfish and supply outfit. Has been 

 operated successfully for eighteen years. No 

 hotter or finer aquariums made. Must be sold 

 at once to permit the owner to give ent're 

 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. 



-innn t m mr 



Tropical Fishes Food and Snails 



Plants 



MEXICAN SWOBDTAIIiS (Xiphophorus helleri), 6 males and 6 females, the dozen, $7.00; 

 Ruby Moonlish (Platypoecilus rubra), 4 males and S females, the dozen, $7.00; Garnbusia 

 holbrooki, per dozen, in pairs, $4.00; Paradise fish and Notropis metallicus, per dozen, $4.00; 

 Danio rerio, per dozen, $8.00. (Shipping cans, 50c.) 



PLANTS PER DOZEN: Vallisneria (wide leaf), 00c; Vallisneria (narrow leaf, 30c; Frog 

 Bit, 50c; Hyacinths, 00c; Water Poppy, $l.oo; Anacharis and Cabomba, 75c per dozen 

 bunches. Twelve kinds of aquarium plants, a fine assortment, $1.00. 



AFTER JUNE 1ST: Red, white and yellow water lilies, blooming plants, 75c each; blue 

 water lilies, $1.25 each. (All plants sent postpaid.) 



1 



GROUND SHRIMP, the best dry fish food $1.10 per 

 per dozen; smaller. $1.00 per dozen. 



pound. Large Japanese snails $2.00 



CRESCENT FISH FARM, 1624 Mandeville Street, New Orleans, La, 



50C3C 



3C3O0 



