BaP Miscellanies. 
17. 
18. 
19. 
20. 
Cale 
99. 
93. 
24. 
25, 
26. 
27, 
28. 
Monday Morning, May 29th. 
Observations on the Comet of February, 1843, made at the Observatory of the Gen- 
tral High School, with Results of the Computations relative to its Orbit, by Szars 
C. WaLKER, Esq. and Professor KenDALL, of the Central High School. 
Abstract of a Memoir on the Ethnography of the Ancient Egyptians, with specimens 
illustrative of its conclusions, by SamuEL GrorcE Morton, M. D. 
The Social and Intellectual state of the Colony of Pennsylvania, previous to the 
year 1743, by Jon R. Tyson, Esq. 
Measurements of the Foetal Cranium, by CHaries D. Metes, M. D., Professor in the 
Jefferson Medical College. 
On Hippuric Acid, by Professor James C. Booru and Martin Boys, Esq. 
Ona new method of determining the Velocity of a Projectile, by Professor JosrrH 
Henry, of New Jersey College, Princeton. 
Description of anew Thermometer of Contact, by Professor A. D. BAcHE, of the 
University of Pennsylvania. 
Descriptions of Water Spouts, by Captain Lavenper, of Princeton, N. J., and by 
R. C. Tayvior, Esq. 
Monday Evening. 
Transformation of the Series S=ar+bz2+4cx3, &c., by Professor TuHropoRE 
Strrone, of Rutgers College, Brunswick, N. J. 
An account of a Geographical Exploration of the Sources of the Mississippi, by J. N. 
Nicouuet, Esq. 
On the Pica Phenomena attending Solar Eclipses, by Professor StrPHEN ALEX- 
ANDER, of New Jersey College, Princeton. 
Tuesday Morning, May 30th. 
On the Instruments of the Astronomical Observatory of the United States Military 
Academy, West Point, and the Observations made upon the Comet of February, 
1843, by Professor Wm. H. C. Bartuert, of the United States Military Academy. 
. An outline of the Physical Geography and Geology of Maryland, in reference to its 
Agricultural Condition and Resources, by Junius T. DucaTEL, M. D. of Baltimore. 
. On the Geology of a Portion of the Island of Cuba, by R. C. Taytor, Esq. 
. On Coprolites, by Isaac Lea, Esq. 
. On the effects of Gloomy Seclusion upon the Health of Individuals of the African 
Race, by B. H. Coatzs, M. D. 
. Description of some new Fossil Shells from the Tertiary of Virginia, by Henry C. 
Lea, Esq. 
. Notice of the Meteorological Observations now making at the Military Posts of the 
United States, by T. G. Mower, M. D., Surgeon U.S. A. 
. On the law of Cooling of Atmospheric Air for various suddenly diminished pressures, 
by Jamss P. Espy, Esq. 
. Ona new form of Mountain or other Barometer, by J. H. ALEXANDER, Esq. of Baltimore. 
Tuesday Evening. 
. On some Fossil Ferns, of the Family of Sigillaria, in the Coal Strata of Pennsylvania, 
by R. C. Tayzor, Esq. 
. Comparison of the Dimensions of the Earth, obtained from Measurements made in the 
Survey of the State of Massachusetts, with Accredited Mean Determinations, by 
Simron Borpen, Esq. and R. T. Paine, Esq. of Boston. 
. On Impressions produced upon Sensitive Plates in the Dark, by P. B. Gopparp, 
M. D. and JosrpH Saxton, Esq. 
. Comparison of Magnetic Observations at Philadelphia, and Toronto, U. C., on the oc- 
casion. of an unusual disturbance of the magnetic elements, May 6th, 1843, by Pro- 
fessor A. D. Bacue, of the University of Pennsylvania. 
. Two Inedited Letters of Franklin upon Subjects of Science, communicated by Gzo. 
Bancrort, Esq. of Boston. 
. On the Theory of the Turbine Water Wheel, and the results of its practical applica- 
tion, by Etnwoop Morris, C. E. 
. On a Theory of Combinatorial Aggregation, by Professor SYLVESTER, F. R. S., late 
of University College, London. 
. Geological Notices, by Professor Henry D. RocErs, State Geologist. 
. On the Structure of the Fetal Heart, in reference to Cyanosis, by Cuarues D. 
Metres, M. D. 
* Not read. 
