NORTH AMERICAN PALEONTOLOGY. 281 



Weiss (Ernest) — Continued. 



Note ou a fern associated with Platepaemera antiqiia, Scudder. Canadian Nat- 

 uralist, vol. X, No. 2. 



Notes on Prototaxites and Pachytheca in the Denbighshire grits of Corwen, N. 

 Wales. Quart. Jour. Geol. Soc, May, 1882, S. 103. 



Remarks on Mr. Carruther's views of Prototp.xites. Monthly Microscopical 

 Journal, August, 187;i. 



On Rhizocarps iu the palaeozoic period. 



Comparative view of the successive palaeozoic floras of Canada. Proceedings 

 of the American Association for the Advancement of Science, vol. xxxi, 

 August, 18S2. 



(Neu. Jahrb. Min., Geol. u. Pal., 1886, Band i, pp. 131-133, Stuttgart.) 



Abstracts. 



Weiss (Ernst). J. S. Newberry : Description of some peculiar screw- 

 like fossils from Chemung- rocks. Annals of the New York Academy 

 of Sciences, vol. iii, No. 7, p. 217, 1885. Taf. xviii, Figs. 1-3. (Neu. 

 Jahrb. Min., Geol. u. Pal., 1886, Band i, p. 367, Stuttgart.) 



Abstract. 



Wethered, E. On the Structure and Formation of certain English 

 and American Coals. (Cotteswold Naturalists' Field Club. Pro- 

 ceedings for 1884:-'85, p. 281. Gloucester.) 



Not seen. 



White, Charles A. Charles Doolittle Walcott : Palaeontology of the 

 Eureka District. Monograi)hs of the United States Geological Sur- 

 vey, vol. viii, 4to., 298 pages, plates i-xxiv. Washington, 1884. 

 (Neu. Jahrb. Min., Geol. u. Pal., 1886, Baud l, pp. 115-117. Stutt- 

 gart.) 



Abstract. 



White, Charles A. Eobert P. Whitfield : Brachiopoda and Lamelli- 

 brancliiata of the Raritan Clays and Greensand Marls of New Jersey. 

 Monographs of the U. S. Geological Survey, vol. ix, 4to., pp. i-xx 

 and 1-2G4, plates i-xxxv. Washington, 1885. (Neu. Jahrb. Min., 

 Geol. u. Pal., 1886, Band i, pp. 124-125. Stuttgart.) 

 Abstract. 



White, Charles A. Bulletins of the U. S. Geological Survey, Nos. 

 27, 28, and 29. Washington, Government Printing Office, pp. 80, 59, 

 with plates and map, and pp. 24, with plates. (Pop. Sci. Monthly, vol. 

 XXX, pp. 274-275, December, 1886. New York.) 



No. 29 is a memoir on the fresh-water invertebrates of the North American 

 Jurassic, by Charles A. White, M. D. (p. 275). 



White, Charles A. On the Fresh- Water Invertebrates of the North 

 American Jurassic. (Bull. U. S. Geol. Survey, No. 29, pp. 1-24, pis. 

 l-iv, 188G. Washington.) 



The apparent identity of one or two of those species from the Black Hills with 

 some which were found at the Caiion City locality, and of one or two species 

 from the latter locality with some of those at Como, Wyoming, suggests an 

 identity of horizon at the three localities; but even if the identity referred 

 to is real the horizon of each locality may be more or less different, for it is 

 believed that some of the species then existing may have passed fiom 



