104 BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. 162. 
927 Wolff (J. E.). The relation of the granite to the ore deposits at 
Franklin Furnace, New Jersey. 
Science, new ser.,vol. viii, p. 560 (£ p.), 1898. 
Contains summary of paper read before the geological conference of 
Harvard University. 
928 Preliminary descriptions of the specimens of igneous rocks in 
the collections from the Isthmus of Panama and Gosta Rica, 
made by Robert T. Hill. 
Harvard Coll., Mus. Comp. Zool., Bull., vol. xxviii, pp. 276-281, 1898. 
Includes brief description of the petrographic characters of the 
specimens. 
929 Occurrence of native copper at Franklin Furnace, New Jersey. 
Am. Acad. Arts and Sci., Proc, vol. xxxiii, pp. 430-431, 1898. 
9:30 See Diller (J. S.), No. 234. 
931 and Brooks (Alfred Hulse). The age of the Franklin white 
limestone of Sussex County, New Jersey. 
U. S. Geol. Surv., 18th Ann. Rept., Pt. II, pp. 431-457, pi. lxxxiii, figs. 
77-81, 1898; Abstract, Geol. Soc. Am., Bull., vol. viii, p. 397, 1897. 
Gives a review of previous opinions, a description of the lithologic 
character and structure of the formation, and summary and conclusions. 
932 Woodman (J. E.). Geology: North shore [vicinity of Boston, 
Mass.]. 
Am. Assoc. Adv. Sci., Fiftieth Anniversary Meeting. Guide to local- 
ities illustrating the geology, marine zoology, and botany of the vicinity 
of Boston. Edited by A. W. Grabau and J. E. Woodman, pp. 9-20, 3 
figs., Salem, Mass., 1898. 
Describes the geologic features of the region and gives lists of papers 
on its geology. 
933 Woolman (Lewis). Artesian wells in New Jersey. 
N. J. Geol. Surv., Ann. Rept., 1897, pp. 211-295, 1898. 
Gives sections of many artesian wells. 
934 Fossil mollusks and diatoms from the Dismal Swamp, Vir- 
ginia and North Carolina: indication of the geological age 
of the deposits; with notes on the diatoms by Charles O. 
Boyer. 
Phil. Acad. Nat. Sci., Proc, 1898, pp. 414. 
Describes the occurrence* of the fossils, gives lists of those deter- 
mined, and discusses ihe age of the beds. 
935 Wortman (J. L.). The extinct Gamelidse of North America and 
some associated forms. 
Am. Mus. Nat. Hist., Bull., vol. x, pp. 93-142, pi. xi, 23 tigs., 1898. 
Includes a review of the genera and species of North American 
Tylopoda, a description of new material, and a discussion of the various 
steps in their evolution and of certain osteological characters. 
