94 BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. 149. 
751 Whiteaves (J. P.). Canadian stromatoporoids. 
Can. Rec. Sci., vol. vii, pp. 129-146, 1898. 
Refers to the literature of each of the species of stromatoporoids 
described from Canada. 
752 Whitfield (Robert P.). Republication of descriptions of fossils 
from the Hall collection in the American Museum of Natu- 
ral History, from the report of Progress for 1861 of the 
Geological Survey of Wisconsin, by James Hall, with illus- 
trations from the original type specimens, not heretofore 
figured. 
Am. Mus. Nat. Hist., Mem., vol. i, Ft. II, pp. 39-74, pis. iv-xii, 1895. 
The fossils described are mainly from the Trenton group of Wisconsin. 
753 Description of a new genus of fossil brachiopod from the 
Lower Helderberg limestones. 
Am. Mus. Nat. Hist., Bull., vol. viii, pp. 231-232, 1896. 
Describes Lissopleura, n. gen. 
754 Notice and description of new species and a new genus of 
Phyllocaridie. 
Am, Mus. Nat. Hist., Bull., vol. viii, pp. 299-304, pis. xii-xiv, 1896. 
Describes a new genus and three new species from the Lower Helder- 
berg of Wisconsin. 
755 Wieband (George R.). Archelon ischyros; a new gigantic cryp- 
todire testudinate from the Fort Pierre Cretaceous of South 
Dakota. 
Am. Jour. Sci., 4th ser., vol. ii, pp. 401-412, pi. vi, 1896. 
Describes the occurrence and characters of the fossil and gives a sec- 
tion of the strata in which tbe remains were found. 
756 Wilkens (H. A. J.), Nitze (II. B. G.) and. The present condition 
of gold mining in the southern Appalachian States. 
See Nitze (H. B. C.) and Wilkens (H. A. J.), No. 522. 
757 Williams (Edward H., jr.). The mammoth bed at Morea, Pa. 
Science, new ser., vol. iii, pp. 782-783, 1896. 
Gives a section of the Coal Measures at this locality with remarks on 
the Glacial phenomena. 
758 Williams (Henry Shaler). On the origin of the Ghoteau fauna. 
Jour, of Geol., vol. iv, pp. 283-290, 1896. 
This paper is mainly a review of a paper by S. Weller on " A circnm- 
insular Paleozoic fauna, with remarks on the modification of faunas due 
to a sinking of the land." 
759 Willis (Bailey). The geology of the Cascade Mountains. 
Johns Hopkins Univ. Circ, vol. xv, p. 90, 1896. 
Describes the history of the Cretaceous period in Washington and the 
Glacial phenomena of the region. 
760 Williston (S. W.). On the skull of Ornithostoma, 
Ivans. Univ. Quart., vol. iv, pp. 195-197, pi. 1, 1896. 
Describes characters of a skull recently found in western Kansas. 
