CONTENT=: 
JANUARY NUMBER. 
Epwarp Water CLaypote. [Portrait.] 
Le AMAT oo BS eed COMUSEDGH: vascic oer fste AE silk Khe age Bon) aps Ww toate ont EF 
Prof. George M. Richardson .........-.+-+++.- ad 
Dr. Norman Bridge So Mate het Ca aoe 
PEAS OD NG. ors Fionn oN ned Main oy Ca A Cte bie 
EvrtorIAL CoMMENT. 
Lake Superior Iron Ore Deposits ...........---.0eeeeeeees 
Review or RECENT GEOLOGICAL LITERATURE. 
The High Plains and their Utilization, Willard D. Johnson, 
52; A preliminary report on the roads and road-building ma- 
terial of Georgia, S. I”. McCallie, 56; Lessons in’ Physical 
Geography, Chas. R. Dryer, 57; Geology of Rand Hill and 
vicinity, H. P. Cushing, 58. 
MontuHiy AvutHor’s CATALOGUE OF RECENT GEOLOGICAL LITER- 
Oo TURE oe eee fy fein 5s tapes ite i 
PERSONAL AND SCIENTIFIC NEws. 
ceeiOnical Soctety Of HAMETICA. ale oes 1c ne ta kee wee ere 
OO OELTRSNS COUGAR Sr ae RIA, gy Ae I 2d ee 
FEBRUARY NUMBER. 
SKETCH OF THE Lire or ZApocK THompson. George H. Perkins. 
[TEGTHUE TRY ETA cole Peat re canoer eared fetes ©) al esa amt gr 
THe DuRATION OF THE ToRONTO INTERGLACIAL Pertop. A. P. C ole 
A ee 0 tonic hn ekg bk s Wale e o Ma clare ~'8id dv Pe edocs 
Notes oF A GEOLOGICAL RECONNOISSANCE IN EASTERN VALENCIA 
County, New Mexico. D. Wilson Johnson. [Plates II and 
TA Uigs Beds Seas ate EAP eGR pe eee ee OL 1 end a 
Tue Sacrep HEART GeySER Sprinc. C. P. Berkey ..........+... 
THE SIGNIFICANCE OF THE TERM SIERRAN. O. H. Hershey...... 
Tue AreAL GEOLOGY OF THE CASTLE Rock Recion, CoLorapo. 
Ne ees 7 REE, Wy Aaa pan viene why SNA RANIABN Gases 
Compete Renpu, VIII Concres GEoLoGIQuE INTERNATIONAL, 
eS Ts SN OE FORAGE iaipc 28 3235 obs ds 3% ols Ob van ose 
EprrortaL CoMMENT. 
The Question of the Unit of Geological Mapping ..... 
Review oF Recent GeovocicaL Literature. Die Geokraphineie 
Verbreitung und Entwickelung des Cambrian, Fritz Frech, 
56473 
59 
64 
