224 [j ULY , 1847. 



41 specimens of Fusus, 11 of Pyrula, 8 of Fasciolaria, 26 of 

 Turbinella, and 56 of Pleurotoma. 



Mr. T. C. Percival presented several specimens of Minerals 

 from Montgomery County, Penn. Also, some very fine spe- 

 cimens of the fruit of Vanilla aromatica, both wild and culti- 

 vated, from Tamaulipas, Mexico. 



A specimen in skin, of Garrulus peruvianus, and one of 

 Icterus cucullatus, from Mexico. Presented by Major G. A. 

 McCall, U. S. A. 



Prof. Johnson announced that the collection of Chemical 



apparatus of Mr. Henry Seybert, together with his library of 



Chemical works, had been received, and were now on deposit 



in the Institution. The apparatus consists of 1500 pieces of 



the following descriptions : 



Among the articles of glass are large assortments of digesters, 

 phials, tincture bottles, jars, globular receivers, matrasses, tubes, 

 funnels, alembics, retorts, conical foot glasses, air pump receivers, 

 precipitating jars, syphons, eudiometers, alkalimeters, mercurial 

 bath receivers, adapters, areometers for all liquids, with 250 re- 

 agents and other preparations in jars and phials. The porcelain 

 ware includes capsules with sockets, evaporating dishes, mortars 

 and pestles, plain and branched tubes, calcining tests, funnels, 

 plates, retorts, cups, &c. The earthen ware embraces fire-clay 

 " tests," crucibles, retorts, crucible covers and stands, assay fur- 

 naces, chauffers, muffles, cupels, &c. The platina includes co- 

 vered crucibles, forceps, spatula, spoon, wire, plate, foil and grains 

 Among the miscellaneous articles are agate mortars, chemical 

 lamps, mouth and table blowpipes, portable forge, Papin's di- 

 gesters, leaden tubes, assayer's table, blowpipe table and bellows, a 

 work table, a variety of furnace implements, and other furniture 

 essential to an analytical laboratory. The scales and weights are 

 in six cases, and of sizes adapting them to different chemical re- 

 searches. 



The Library contains 259 volumes, by the following 

 authors : 



Thenard, Haiiy, Brard, Beudant, Orfila, Rickerand, Magendie, 

 (}ay Lussac, Bergmann, Murray, Fourcroy, Kapeler and Caventou, 

 Jourdan, Karsten, Ure, Thompson, Mirbel, Faraday, De Lisle, 

 Chaptal, Berthollet, Klaproth, Sage, Cramer, Priestly, Black, 

 Schmeiser, Kirwan, Brongniart, Berthier, Lucas, Humboldt, Park, 

 Jameson, Accum, Ingenhouz, Spallanzani, Chcvreul, Homassel, 

 Lavoisier, Bache, Lewis, Maquer, Henry, Payen and Chevallier, 



