VI Contents. 
Monthly Author's Catalogue of American Geological Liier- 
ATURE 326 
Correspondence. 
A New Exposure of Serpentine at Syracuse, N. Y. E. M. 
Kraus 330 
Personal and Scientific News 332 
JUNE NUMBER. 
On the Lamphrophyres and Associated Igneous Rocks of the 
Rossland Mining District, British Columbia. IV. B. Bar- 
ber. [Plates XXIII-XXVIII] 333 
The Bragdon Formation in Northwestern California {Con- 
cluded) . O. H. Hershey 347 
Note on some Concretions in the Chemung of Southern New 
York. E. M. Kindle 360 
Nomenclature of the Gold-Bearing Metamorphic Series of 
Nova Scotia. /. Edmund Woodman 364 
Boulders Due to Rock Decay. Warren Upham 37 J 
The Clinoplains of the Rio Grande. C. L. Herrick 376 
Review of Recent Geological Literature. 
Field Operations of the Bureau of Soils, 1902, MUton Whit- 
ney, 381 ; Geologic Atlas of the United States. Olivet, Parker, 
Mitchell and Alexandria folios, South Dakota, /. E. Todd 
and C. M. Hall, 381 ; Geology, Vol. i, T. C. Chamberlin and 
R. D. Salisbury, 382 ; A monograph of Marcus island, an 
account of its physical features and geology, with descrip- 
tions of the fauna and flora, W. A. Bryan, 382 ; Eine neue 
Familie der Siphoneen aus dem Cambrium von Schantung, 
Th. Lorenz 38? 
Monthly Author''s Catalogue of American Geological Liter- 
ature 383 
Correspndence. 
Block mountains in New Mexico : A Correction, C. L. Her- 
rick, 393 ; The Loess, G. C. Broadhead , 393 ; Proposed exam- 
ination of the Arid Belts of South Africa and South Amer- 
ica, E. W. Hilgard 394 
Personal and Scientific News. . ■ i95 
