10 DONS. — JANVIER, FÉVRIER ET MARS 1909 
— M. Mus. Comp. Zoôl. Harvard Coll., XXX, 1, 1904; XXV, 
2, 1905. 
XXV : Fr. SPRINGER. Cleiocrinus, 93-114. — XXX : AGassiz Panamic Deep 
Sea Echini, 243 p. et atlas, 110 pl. 
— Chicago. J. of Geol., XIL 5-8, 1904; XIIL, 1, 1905. 
7: W.-D. Jounson. The profite of maturity in alpine glacial erosion, 
569-578. — G.-K. GizBErtT. Systematic asymmetry of crest lines in the high 
Sierra of California, 576-588. — C.-R. vAN Rise. The problems of Geology, 
589-616. — Ch. Emerson Peer. Glacial and Posiglacial history of the Hudson 
and Champlain valleys, IE, 617-665. — 8 : W.-M. Davis. The relations of the 
Earth Sciences in view of their Progress in the nineteenth Century, 966-688. 
— S.-W. Wiczisron. Notice of Some new reptiles from the Upper Trias of 
Wyoming, 688-698. — S.-A. Capps and E.-D.-K. LEeFrINGWELL. Pleistocene 
Geology of the Sawatch Range, near Leadville, Colorado, 698-707. — R.-D. 
SALISBURY. Three new physiographic terms, 907-716. — O.-W. Wiczcox. On 
certain aspects of the Loess of Southwestern lowa, 716-722. — I.-H. OcrLvie. 
The effect of superglacial debris of the advance and retreat of some canadian 
glaciers, 522-743. — 1 : A. PENGXK. Glacial features in the surface of the Alps, 
1-20. — E.-B. Branson. Notes on some carboniferous cochliodonts, with 
descriptions of seven new species, 20-25. — Ch.-P. Berkey. Laminated inter- 
glacial clays of Grantsburg, Wis., 35-45. — E.-M. Sep». The new Madrid 
earthquake, 45-63. — Ch.-R. Keyes. Structures of Basin Ranges, 63-71. — 
St. WELLEr. The classilication of the Upper Cretaceous formalions and 
faunes of New-Jersey, 71-84. 
— Columbus. 2. Geol. Surv. of Ohio, [4], 2, 1904. 
— Topographie Sure., 1904. 
SHERMAN. Preliminary Report on the Ohio Cooperative topographic 
Survey, 227 D. 
— Des Moines. /owa Geol. Surv., Ann. Rep., XIV, 1903-1904. 
S.-W. Beyer. Mineral production of Iowa, 9-26. — Ip. and I.-A. Wicrrams. 
Technology of clays, 29-318. — J.-B. Weems. Chemistry of clays, 319-345. — 
G.-W. BisseLzL. Selection, Installation and care of Power plants, 347-356. — 
S.-W. Beyer and IL.-A. WizcrAMs. The geology of clays, 377-554. — A. MARSTON. 
Tests of clays products, 555-620. — S.-W. BEyER and I.-A. Wizrrams. Direc-: 
tory of Iowa Clay Workers, 621-643 — S.-W. Beyer. Mineral production of 
Iowa in 1903, 645-655. 
— Granville. B. Sc. Lab. Denison Univ., XII, 1x, x, x1, 1904. 
IX : Th. Warson. Geological Relations of the Manganese Ore-Deposits of 
Georgia, 147-198. — X : Ip. The Yellow Ocher-deposits of the Cartersville 
district, Baxtow Country, Georgia, 199-227. — X7 : Ip. The Leopardite 
(Quartz porphyry) of North. Carolina, 223-230. — STockBERGER. General 
Index to the First tén volumes of the Bulletin of the Scientific Laboratories 
of Denison University, from 1885 Lo 1897 inclusive. 
ne 
— Minneapolis. American Geol., XXIV, 5, 1904. 
R.-R. Rowzey. lhe echinodermata of the Missouri Silurian and a new 
Brachiopod, 269-282, — WW. H. Hoggs. Tectonie Geography of Eastern 
Asia, 283-291. — J.-W. Spencer. Submarine great canyon of the Hudson 
river, 292-2093. — J.-A. CusnmaAn. Miocene Barnades from bay Head, Mass., 
with notes on Balanus proteus Conrad, 293-297. — A.-C. Lane. The theory of 
