BIJLOW COLLECTION of RECENT SHELLS. 



Messrs. Sowerby & Fulton liave now on .Sale, in detail, the 

 magnificent collection formed by Herr Carl Billow, of Berlin. 



The collection contains about 20,000 species, represented by 

 very fine specimens, and includes many rarities. 



Further particulars may be had of 



SOWERBY & FULTON, 



RIVER SIDE, KEW, near LONDON. 

 WALTER F. WEBB, 



202 Westminster Rd., Rochester, N.Y., U.S.A., 



HAS ON SALE 



THE FINEST STOCK OF 



LAND & FRESHWATER SHELLS 



IN A.MEKICA, AS WEI.I, AS A 

 VERY GOOD ASSORTMENT OF MARINE. 



I can furnish Varieties common to eitlner Coast of America by the Dozen or Hundred. 



EXCHANGES desired with Collectors having Duplicates in Quantity 

 to dispose of, or will buy Entire Lots or Collections for Immediate Cash, 



WRITE ME AT ONCE WHAT YOU HAVE TO OFFER. 

 I particularly desire all kinds of Minute Shells in quantity, also Helicidae. 



R EF>I?1 1 N^ T S. 



AUTHORS of Papers receive 25 copies gratis ; those who wish additional copies 

 may have them on payment of tiie Printer's charges as below (such reprints to 

 be ordered when tlie MS. is forwarded for publication) : — 



25 copies, 4 pp., 3/6. 8 pp., 4/6. 12 pp., 8/-. 16 pp., 10/6. 



50 ,, ,, 4/6. ,, 6/6. ,, 10;-. ,, 12/6. 



100 ,, ,, 6/6. ,, 9/-. ,, 12/-. ,, 15/-. 



JLO^iTERTISEIVIEN^TS 



Will be inserted .it the following rates : — 



Wliole Page 20/-. Quarter Page ... .. 7/-. 



Half Page... ... ... 12/6. Six Lines or under 3/6. 



One-third Page ... ... 8/-. Every additional Line ... /d. 



SPECIAL REDUCTION FOR THE WHOLE YEAR. 



PRICES OF BACK VOLUMES OF 

 THE aOXJlEt^^AJ^ OJF" COI^CHLOILiOG^ir. 



Vol. I. (in the event of a sufficient number of ortleis being received to 



justify the reprinting of necessary parts) __ 21/- nett. 



Vols. II., III., IV., & VII XII. Each 



To the Public, 15,- ; to Members and to liie Trade, 11/3. 

 Vols, v., & VI (Out of Print). 



To be had only from Dui,AU & Co., Ltd., 37, SoHO S'IUAre, W. 



