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■A 



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Rucksicht aiifdie Lahyrinthodonteii des Ketipers^ by H. v. ^eyer 

 and Dr. Th, Pleininger. Imp. 4to, with 12 plates, — R. 6. 

 Polens PalcBoniologie^ by G. G. Pusch: in 4to, with 16 lith. 



plates. — R. 6, 20 sgr. 



Die Versteinerungen der hohmischen Kretdeformation^ by 



Dr. A. E. Reuss. 51 lith. plates, .in 4to. — R. 15. 



Der Aufbereitmigs-Prozess Gold- tmd Silber-haltiger Poch- 

 erze im Salzburgischen Montanhezirke^ by J. Russegger. 

 8vo, with an atlas of 30 plates in large folio.^ — R, 7, 15 sgr. 



Die Pseudomorphosen des Miner air eichs^ by Dr. J. R. Blum. 

 8vo, R. 2. — Supplement to the same. R. 1, 7^ sgr. 



Lehrhuch der Oryktognosie^ by Dr. J. R. Blum, — with 300 

 figures of crystals. 2nd edit. R. 3. 



July, 1851. [It] 



ANALYTICAL LABORATORY. 



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[Attached to the « Bejartment of ^PMlosopSs anti t!>e ^rts," in Yale College.] 



J. p. NORTON, 



Prqfessor of Scientific Agriculture, 



r /i- S 



The course of instruction in this Laboratory is now fully organized 

 and all practicable facilities are afforded to the students. The Sessions 

 correspond with those of the College, commencing in January, May and 

 October, and continuing about three months each. Instruction given m 

 Agricultural, and in general Analytical Chemistry, both Organic and 



Inorganic. 



Instruction is afforded as far as practicable in certain branches of Ap- 

 plied Chemistry, and particular attention given to fitting students as 

 teachers in the various aepartments of Chemistry. 



Students allowed to work during the whole day with use of balances, 

 reagents, glass, porcelain, alcohol, fires, &c., platinum only excepted. 

 The only extra charge is for breakage. Terms $5 per week or $C0 to 

 $70 per term of twelve or fourteen weeks. 



No previous chemical study required of those who enter this depart- 

 ment. 



Lectures on Scientific Agriculture, by Prof. Norton, during winter 

 term, commencing soon after the tniddle of January, , 



Lectures on Geology, Mineralogy, Elementary Chemistry and Natural 

 Philosophy, also accessible. 



Analyses and investigations of all kinds promptly attended to on rea- 

 sonable terms. . 



Yale CoUegSf New ffaren, August, 1850. 



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