weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1904. 39 
D. 
Dale (T. Nelson,. 
1. The geology of the north end of the Taconic Range. 
Am. Jour. Sci., 4th ser., vol. 17, pp. 185-190, 1 pi. (map), 1904. 
Describes the areal distribution and structural relations of Cambrian and 
Ordovician formations in the area and gives an explanation of these facts. 
2. Note on Arkansas roofing slates. 
U. S. Geol. Surv., Bull. no. 225, pp. 414-416, 1904. 
Describes the occurrence and megascopic and microscopic characters. 
3. Geology of the Hudson Valley between the Hoosic and the Kinder- 
hook. 
U. S. Geol. Surv., Bull. no. 242, 63 pp., 3 pis., and 17 figs., 1904. 
Describes the occurrence, general and petrographical characters, and geologic 
structure and relations of lower Cambrian, Ordovician, and Silurian strata, 
and the general geologic structure and history of this region. 
4. Note on the geological relations of the Brandon lignite deposit, 
Vt, Geol. Surv., Rept. State Geol., IV, pp. 163-165, 1 rig., 1904. 
Dall (William Healey). 
1. Neozoic invertebrate fossils. A report on collections made by the 
[Harriman Alaska] expedition. 
Harriman Alaska Expedition, vol. 4, pp. 99-122, 2 pis., 1904. 
Gives systematic descriptions of Eocene fossils from Alaska Peninsula and of 
Miocene fossils from the Shumagin Islands, and a list of Pleistocene fossils 
from Douglas Island, and describes the localities from which fossils were 
obtained. 
2. On the geology of the Hawaiian Islands. 
Am. Jour. Sci., 4th ser.; vol. 17, p. 177, 1904. 
A note in regard to the explanation of certain geologic formations on the Island 
of Oahu. 
3. A singular PCocene Turbinella. 
Nautilus, vol. 18, pp. 9-10, 1904. 
4. An historical and systematic review of the frog shells and tritons. 
Smith. Misc. Coll., vol. 47 (Quart. Issue, vol. 2, no. 1), pp. 114-144, 1904. 
Includes observations on Tertiary forms. 
5. The relations of the Miocene of Maryland to that of other regions 
and to the recent fauna. 
Md. Geol. Surv., Miocene, pp. cxxxix-clv, 1904. Abstract: Science, new ser., 
vol. 19, pp. 502-503, 1904. 
6. On the true nature of Tamiosoma. 
Science, new ser., vol. 15, pp. 5-7, 1902. 
Darton (N. H.). 
1. Newcastle folio, Wyoming-South Dakota. 
U. S. Geol. Surv., Geol. Atlas of U. S., folio no. 107, 1904. 
Describes physiographic features, the geologic history and structure, the occur- 
rence, character, and stratigraphic relations of Carboniferous, Triassic (?), 
Jurassic, and Cretaceous strata and Quaternary deposits, and the economic 
resources, artesian water, coal, petroleum, gypsum, etc. 
