LIII. Report made by M. Guyton upon a sculptured head in flint, with a covering of chalcedony. Read in the french institute on the 31st of March 1806
ARTICLE XVII. Astronomical Observations, made at several Places in the United States. By J. N. Nicollet. Read May 6, 1842
ARTICLE XIX. Observations of the Magnetic Dip, made in the United States, in 1841. By J. N. Nicollet. Read September 16, 1842
XLIII. Experiments made upon new ivory, fossil ivory, and the enamel of teeth, in order to ascertain if these substances contained fluoric acid. Read in the French Institute
XXXV. A new theory of galvanism, supported by some experiments and observations made by means of the Calorimotor, a new galvanic instrument; also, a new mode of decomposing potash extemporaneously. Read before the academy of Natural Sciences, Philadelphia
An account of several curious observations and experiments, concerning the growth of trees; made by Thomas Brotherton, of Hey, in the County of Lancaster, Esq. Brought in and read before the R. S. by R. H. Fellow of the said Society
ARTICLE XVII. Meteorological Observations, Napa-Keang, (Loo-Choo,) 1848-49. Made by Dr. Bettelheim. Read Jan. 1 Qth, 1852.
No. VIII. Experiments made on the Poison of the Rattlesnake; in which the Powers of the Hieraceum Venosum, as a Specific, were tested; together with some Anatomical Observations on this Animal. By Richard Harlan, M. D.—Read March 1th, 1828.
