weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1901 75 
666 Safford (J. M.). Horizons of phosphate rocks in Tennessee. 
Geol. Soc. Am., Bull., vol. 13, pp. 14-15, 1901. 
Describes the geologic relations of the various phosphate deposits. 
667 Salisbury (Rollin D.) [Reviews of u The Norwegian Polar Expe- 
dition, 1893 to 1896. Scientific Results, Vol. I," and "The 
Pleistocene geology of the South Central Sierra Nevada. 
with especial reference to the origin of the Yosemite Val- 
ley," by H. W. Turner.] 
Jour. Geol., vol 9, pp. 87-91, 1901. 
668 [Reviews of " Handbuch der Seenkunde, allgemeine Lim- 
nologie," by F. A. Forel: "A preliminary report on the 
Artesian basins of Wyoming," by Wilbur C. Knight; and 
u Die vierte Eiszeit im Bereiche der Alpen," by Albrecht 
Penek.] 
Jour. Geol., vol. 9, pp. 199-202, 1901. 
669 [Review of " Glacial sculpture of the Bighorn Mountains, 
Wyoming," by F. E. Matthes.] 
Jour. Geol., vol. 9, pp. 465-466, 1901. 
670 Glacial work in the Western mountains in 1901. 
Jour. Geol., vol. 9, pp. 718-731, 1901. 
Describes the results of the work of several parties of students in 
various parts of western United States. 
671 Sardeson (Frederick W.). Problem of the Monticuliporoidea. I. 
Jour. Geol., vol. 9, pp. 1-27, pi. A. and fig. 1, 1901. 
Describes the characters of various species of Trepostomata and dis- 
cusses their affinities. 
672 Problem of the Monticuliporidea. II. 
Jour. Geol., vol. 9, pp. 149-173, pi. B, fig. 2, 1901. 
Describes the general characters of various species of Cryptostomata 
and discusses their affinities. 
673 Note on the western Tertiary. 
Science, new ser., vol. 13, pp. 868-869, 1901. 
Contains notes on the occurrence of fossils as indicating the mode of 
formation of the strata. 
674 Fossils in the St. Peter sandstone. 
Minn. Acad. Nat. Sci.. Bull., vol. 3, pp. 318-319, 1901. 
675 Paleozoic fossils in the drift [Minnesota]. 
Minn. Acad. Nat. Sci., Dull., vol. 3, pp. 317-318, 1901. 
676 The lower Silurian formations of Wisconsin and Minnesota 
compared. 
Minn. Acad. Nat, Sri., Bull., vol. 3, pp. 319-326, fig. 8, 1001. 
