t.. 



^ 





■4 ' 



■» 



IT 



3 



r 



7\> Professors of Mineralogy^ Colleges and Scientifi 



Institutions, SfC. 



FOE SALE 



'-r 



A splendid collection of Minerals, comprising a specimen of 

 all the known Minerals in the world ; late the property of an 

 eminent European Professor of the Science. This collection is 

 believed to be the finest on this continent. It was collected and 

 arranged for the purpose of gi^^ing lectures on that interesting 

 and useful science. The Duplicate of this collection was sold in 

 Vienna for 6000 ducats. It is now offered for sale below its 

 value. For particulars, apply by letter to John BarlinG; Brook- 

 lyn, L. L, corner Clinton and Fulton Avenue, 



June, 1851, [It] 



CATALOGUE OF SHELLS. 



The subscriber has this day pubUshed the fourth edition of his 

 Catalogue, containing upwards of 11,000 species and varieties, 

 together with 6,000 synonyraes : to which are added their Au- 

 thorities, Locahties and References to where figured or described. 

 It is published on fine sized paper, 4to., and contains 460 pages 

 with a complete Index. Price f 3 in paper covers or sheets, and 

 $3,50 bound in muslin. 



JOHN C. JAY, 

 Rye, Westchester Co., New York. 



Dec. 1, 1850.-ly. 



GENERAL INDEX 



TO THE FIRST SERIES OF 



THE JOURNAL OF SCIENCE AND ARTS. 



IN OrsE VOLUME OF 348 PAGES, 8vo.— Price, $3. 



A PEW copies remain for sale in the hands of the PubUshers. 

 Enquire of Silliman & Dana. 



See farther, second page of Cover. 



r _ 



New HaTen, March 1, 1851. 



.-*. 



A4 



