590 
Dusors, (W. E.) : Page. 
On a Quasi Coin reported found in a boring in Illinois....0......cc.sssssseecdee 224, 
Obituary Notice of J. R. Eckfeldt, Msq. 547 
Dourton, (C. E.) 
The Causes of Regional Elevations and Subsidences..........cccceessereeccnees 70 
EMERSON. 
On Lunar Influence upon the Conditions of Wet or Dry Weather.............. 17 
FrELD, (H. W.) 
Obituary N otiee Of Sit J..He We HOtsGhGl iis ous Goi ines vas a eeevGine sas ae cans eds © 217 
FRAZER, (P.) 
Spectroscopic Examination of the Aurora of April 10th, 72.....-...-.e+eseeeee 579 
TABB. 
Pables of Miocene Fossils in Santo DomIn GON. sscc sweet ee si ves iectecs es 571 
List of Fossils common to Panama and Santo Domingo...........cccec see cneees 572 
ITARTSHORNE, (H.) 
OpmuRrY NOtICe Or BE URNORGR, MOD Sais cece ype ci csa se cdcces ener Ssdcensess 171 
Oi Creal PHYSICE ieee ccs reese sesh eecesss pass csadSeeeceecesincracvticeuss 311 
Haver, (H.) 
Computation of the Wilect of GTCdionts. .. 06.6... c ss cee w ees secettctercenssescs 9 
Houston, (EH. J.) 
On a Waterfall Sensitive to the Human Voice........ cc ccescceeasescseescccees 515 
HELLER. 
A Heller and Brightley’s New Transit........ OES HASTE RCs INV cer eer aad. 115 
KrrKwoop, (D.) 
On the Formation and Primitive Structure of the Solar System................ 163 
On some Remarkable Relations between the Mean Motions of Jupiter, Saturn, 
Uranus, afd Neptune... cscs icees cesses sceesectseecenscevccceccesrscoucsscons 435 
Luster, (J. P.) 
On an Apparent Violation of the Law of regular progressive Debituminisa- 
tion of the American Coal Beds coming East. Somerset Co,, Pa 125 
On the Titaniferous Iron Ore Belt, near Greensboro, North Oarolin: 1389 
On a fine Upthrow Fault at Embreville Furnace in East Tennessee,....-...... 44d 
On the Geological Structure of Tazewell, Russell and Wise Counties in Vir- 
ZUMA. eee ccc nee e ene eee eee nese eta ce ees eee sees senses tteeeatenanesanenees 489 
Record of Fourteen Oil Wells at Brady’s Bend, Armstrong County, Penn- 
BYIVAMIA....ccecceesseseeeerescncsenrsssesecesees sUeeWees abe bel besideueeddes wees 004 
Marsg, (O. C.) 
Fossils of the Rocky Mountains found in 1870-2..........0..ccceeeeesseeeeee 576, 578 
PrprEr, (W.) 
A Case of Universal Hyperostosis, associated with Osteoporosis, with a de- 
scription of the Specimens... . 2.65. sce eeee ees e essen eee w eee r eer ee tense eeeeee 19 
Prick, (EH. K.) 
Nome euases oF Wlodern PRIORO POY isccveses Cees cctbabavecsescssubeeuass vevnes 289 
Another LE hase Of WOdEIN PUIOBODHS ics csevgtdcssassecvecesse debe cuiyecaeawes 361 
Rurp, (J. D.) 
Sketch and Description of a Carved Rock on the bank of the Monongahela 
11 
Roserts, (8. W.) 
Obituary Notice of Is, Miller, ©. Bu... ss ceclnsacedivcssesasevsesversess sesh evs 823 
WILcox. 
WLAQAG MATTOL. 66. ccc rectecc sens rtavnssesvarsreestenshecessssssengenesssreeectsers 576 
Woop, (G. B.) 
Mevivaror PROG TYCO; MO. iicc ce ius ce ee teen Vea src s debs been cueeW ous hauemN es 
Influence of Fresh Wood-ashes on the Growth of Wheat, Potatoes, &c 
