weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 45 
307 Gordon (C. H.). Notes on the Kalamazoo and other old glacial 
outlets in southern Michigan. 
Jour, of Gol., vol. vi, pp. 477-482, pi. xii, 1898. 
Describes characteristics of glacial and postglacial drainage of the 
region. 
308 Gould (Charles Newton). On a series of transition beds from the 
Comanche to the Dakota Cretaceous in southwest Kansas. 
Am. Jour. Sci., 4th ser., vol. v, pp. 169-175, 1 fig., 1898. 
Gives a section of the beds and describes the general character of the 
subdivisions of the Cretaceous of the region. Presents a classification of 
the Cretaceous group of southwest Kansas. 
309 Grabau (Amadeus W.). Paleontology: eastern Massachusetts. 
Am. Assoc. Adv. Sci., fiftieth aniversary meeting. Guide to the local- 
ties illustrating the geology, marine zoology, and botany of the vicinity 
of Boston. Edited by A. W. Grabau and J. E. Woodman, pp. 37-62, 
Salem, Mass., 1898. 
Gives lists of fossils found in the geologic formations of the region 
and a bibliography of the subject. 
310 Paleontology of the Cambrian terranes of the Boston Basin 
[Massachusetts]. 
Abstracts: Am. Assoc. Adv. Sci., Proc, vol. xlvii, pp. 305-306 (-£• p.), 
1898; Science, new ser., vol. viii, p. 505 (i p.); Am. Geol., vol. xxii, pp. 
264-265 (i p.), 1898. 
311 Siluro-Devonian contact in western New York. 
Science, new ser., vol. viii, p. 800 (£ p.), 1898. 
Summary of paper read before the Harvard University Students' 
Geological Club. 
312 Geology and paleontology of Eighteenmile Creek and the 
lake-shore sections of Erie County, New York. Part I. 
Buffalo Soc. Nat. Hist., Bull., vol. vi, pp. iii-xxiv, 1-91, pis. i-xxvii, 
1898. 
Describes the lithologic and faunal characters and occurrence of the 
Devonian strata, and discusses the geologic history of the region. 
313 Grant (CO.). Geological notes. 
Hamilton Assoc, Jour, and Proc, No. 14, pp. 89-100, 1898. 
Describes local features of the Silurian near Hamilton, Ontario. 
314 Grant (U. S.). Sketch of the geology of the eastern end of the 
Mesabi iron range in Minnesota. 
Univ. of Minn., Engineers' Year Book, pp. 49-62, with map, 1898. 
Describes the physiography, geologic history, occurrence of Animikie 
and pre- Animikie rocks, diabase sills and gabbro, and the occurrence of 
iron ores. 
315 [Review of "Iowa Geological Survey, Vol. VI."] 
Am. Geol., vol. xxi, pp. 64-65, 1898. 
316 Gratacap (L. P.). Relation of James Hall to American geology. 
Am. Nat., vol. xxxii, pp. 891-902, 1 pi., 1898. 
