ia ae 
AME RICA N JOURNAL 
OF 
ss, 
SCIENCE AND ARTS. 
CONDUCTED BY 
PROFESSOR SILLIMAN 
AND 
BENJAMIN SILLIMAN, Jn. 
VOL. XLIL—APRIL, 1842. 
(TO BE CONTINUED QUARTERLY.) — - 
NEW HAVEN: 
Sold by B. & W. NOYES.—Philadelphia, CAREY & HART, J.8. LITTELL 
and ORRIN ROGERS, No. 67 So. Second St.— Baltimore, Md., N. HICKMAN. 
—New York, CARVILL & Co., No. 108 Broadway, THEODORE FOSTER, 
corner of John St. and Bioadwey, and G. 8. SILLIMAN, No. 49 Wall St.— 
. Boston, C. C. LITTLE & Co.—London and New York, WILEY & PUTNAM, 
No. 35 Paternoster Row, London, and 161 Broadway, New York.—Paris, 
HECTOR BOSSANGE & Co., No. 11, Quay Voltaire.—Hamburgh, Messrs: 
NESTLER & MELLE. 
ee eam BY B. L. HAMLEN. 
| Mo. Bot. Garden, 
