CONTENTS. 
MISCELLANIES. 
Page. 
1. Notice of anew Tae of ene’ wood, - . 395 
2. Origin of Bituminous Coa - 397 
3, 4. Inhumed Wood—A village lighted by nataral gas, 398 
5. Sheet Caoutchouc - 399 
6, 7. Geology of the ‘Gold Region of N orth Carolina—German 
- 400 
Collections of patie fe —— 4 ae 
8. Baron Humboldt’s Expediti 
9. Information desired respecting Mineral Waters, 
10, 11. Diluvial Furrows and Scratch es—Economical Process 
or Chlorate of Potas 
12,13, Astronomical Observations, made at the Royal Obimers: 
at enwich, in the months of April, May and 
yn, 
NOTICES OF RECENT AND FORTH-COMING SCIENTIFIC WORKS. 
Foreign. 
1, Early Discovery of America by the Scandinavians, - 
2, 3, 4. Use of the Blowpipe in Chemistry and Mineralogy— 
Library of Useful Knowledge, published under the su- 
perintendence of the Society for the Promotion of Use- 
ful Knowledge—Library of Entertaining Knowledge, 
5. 6. Guy’s Pocket Cyclopedia or Epitome of Universal Knowl- 
edge, designed for Senior Scholars in Schools, and for 
young persons in dey ce) ance ee = His- 
torical Society, 
Domestic. 
a ——— Americana, a popular pictione, of Arts, Sci- 
es, Literature, History, Politics and Biography, 
Brought down to the present time, indladthy a ee 
Es. ea of Original Articles in American Biography ; 
n the basis of the seventh edition of the German Con- 
Caiteapickicet: 
2; 3. ioments of Physics or N anid Philosophy, general and 
Medical—F amiliar Introduction to the Study of Botany, 
4, 5, 6. Elements of Spherical Trigonometry ; designed as an 
In eis Se to the Study of Nautical Astronomy—Ly- 
.— sactions of the eae Institute for Dec. 
182 
4, 8.95 ee Sionicits of Geometry upon ‘the inductive aiethod ; 
which is added an my hone to Descriptive Geome- 
peeks American Almanac and Repository of Use- 
ful Knowledge, for the year 1830 ; comprising a Calen- 
dar for the year; Astronomical Information, Miscella- 
neous Directions, Hints and Remarks ; and Statistical 
and other particulars respecting foreign countries and 
the United States—A Map of the United States Lead 
Mines in the Upper Mississippi—New ‘Treatise on 
: . . : 4 
Mineralogy, - 
ri 
June, 1828—Register of the Thermometer at Brook- 
eS - - : < 4 
410 
4il 
412 
? 
