CONTENTS. 
JULY NUMBER. 
Clarence Luther Herrick. [Portrait]. W. G. Tight i 
The High Altitude Conoplain. [Plate II]. Ida H. Ogilvie.. 27 
Genetic and Structural Relations of the Igneous Rocks of 
the Lower Neponset Valley. [ Part I]. W. O. Crosby.... 34 
Editorial Comment. 
Another meteorite in the Supreme Court 47 
Review of Recent Geological Literature. 
Contributions to Devonian paleontology, 1903, H. S. Wil- 
liams and E. M. Kindle, 49. Bearing of some paleontological 
facts on nomenclature and classification of sedimentary for- 
mations, Henry Shaler Williams 49 
Monthly Author's Catalogue of American Geological Lit- 
erature. 53 
Correspondence. 
Estimation of the silica in the Bedford limestone, Nicholas 
Knight 57 
Personal and Scientific News. 
AUGUST NUMBER. 
Albert A. Wright, G. Frederick Wright. [Portrait, Plate III.] 65 
Genetic and structural relations of the igneous rocks of 
the Lower Neponset valley, Massachusetts, [II], W. O. 
Crosby 69 
Stratigraphy of the eastern outcrop of the Kansas Per- 
mian, /. H. Becde and E. H. Sellards, [Plates IV and V] . . 83 
The fundamental complex beyond the Southern end of the 
Rocky mountains, Chas. R. Keyes. .' 112 
Review of Recent Geological Literature. 
The Two Islands and what came of them, Tkos. Condon, 
122 ; Ice or Water : Another appeal to Induction from the 
scholastic methods of modern Geology, Sir Henry H. 
Howorth, 125; The rocks of Tristan d'Acunha brought back 
by H. M. S. Odin, 1904, with their bearing on the question 
of the permanence of ocean basins, E. H. L. Schwartz, 126; 
Geological Survey of New Jersey, Annual report for the year 
1904, Henry B. Kiimmcl, 126; The Geology of the Perry 
basin in southeastern Maine, Geo. 0. Smith, and David 
White, 127. 
Monthly Author's Catalogue of American Geological Lit- 
erature 53 
x, Personal and Scientific News 134 
93:213 
