The undersigned, contemplating expensive arrangements for 

 the enlargement of his collection, will supply suites of 



TERTIAEY AND CRETACEOUS FOSSILS, 



AND ALSO OF 

 LAND AND FRESH-WATER SHELLS 



Of Alabama and adjacent States, at the rate of 30 cents a species, 

 averaging six specimens to each species ; representing, when prac- 

 ticable, the different ages of the land and fresh-water shells. 



The more ponderous fossils will be represented by single speci- 

 mens, or by pairs. 



For further particulars communications are invited. 



E. E. SHOWALTER, 



UmONTOWN, ALABAMA. 



FOR SALE OR EXCHANGE. 



The following BOOKS, duplicates in my Library, are offered 

 Foe Sale at the annexed prices, or will be Exchanged for Con- 

 chological Works. GEORGE W. TRTON, Jr., 



No. 625 Market Street, Philadelphia. 



NATURAL HISTORY OP NEW YOT?K, 19 Vols., 4to., newly bound in half Morocco, with many 



hundred Colored Plates $12.) 00 



The following separate Volumes also for sale, in the same binding : 



MAMMALIA. By J. E DeKay. 33 colored plates 5 00 



ORNITHOLOQT. By J. E. DeKay. 380pp., 141 colored plates 20 00 



HERPETOI.OGY AND ICHTHYOLOGY. By J. E. DeKay. 2 Vols., 400|.p. text, 101 colored 



plates 1 8 00 



ENTOMOLOGY. Hy E. Emmons. 272pp., 47 colored plates 7 ."50 



AGRICULTURE. By E. Emmons. 3 Vols , 77npp., 140 colored plates of Fruits, Vegetables,&c. 26 00 



BOTANY. ByJ.Torrey. 2 Vols., 1000pp., 160 colored plates 25 00 



GEOLOGY. 4 Vols., IQOOpp , over 200 plates and maps 2S 00 



MINERALOGY. By L 0. Beck. 650pp 6 00 



CnVIER. REGNE ANIMAL. VoL T., MAMMALIA, AVKS. Svo , 500pp., 1817 1 .''.0 



CRUSTACEANS, INSECTS, &c - 84 'pp., 18 17 2 2.1 



LINN.ffi;US SYST. NAT. 13th Edit. MAMMALIA, AVES. Sfo., 1032pp , 1788 \ In 



AMPHIBIA, PISCES. 500pp., 1788 1 .TO 



INSBOTA. 2 Vols., 1.5011pp., 17SS 3i0 



MINERALS. 47.ipp> 171)3 1 00 



BROT CATALOGUE SYSTEMAT DB> MBLASIAN.'*. Svo . 72pp. Geneva, 18'i2 100 



COUTHUOY J P., DESCRIPTIONS OP NEW SPECIES OF SHELLS OF MASSACHUSETTS 



BAY, MO'^OGRAPHOF OSTEODESMACEA, &o 118pp., 8vo., 3 plates 1 7.'> 



MIGHELS,.! W., CATALOGUE OF THE SHELLS OF MAINE. 8vo., 40pp.. 1843 75 



ENCYCLOPBDIE METHODIQUB. Zoophytes. By Lamouroux, St. Vincent and Deslon- 



champs. 4to . 1824. 2 Vols., 800pp. text, 100 plates 15 00 



GRAY, LESSONS IN BOTANY 8vo., cloth. 18.W ... 50 



BOTANY OF NORTHERS UNITED STATES, including MOSSES, Ac. 8vo., half Mo- 



1..,,;.,. -'.,. ...,-. 150 



■ v. iiS'Jvjv -''.-, , ,, ,,. .' ':' l;-- -.'_■.•---'■; J.,r: . Svo , half Morocco 18.)8 100 



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