272 The American Geologist. April, 1892 
Dec. No. contains: On Olenellus callaved and its Geological Relation- 
ships, C. Lapworth: Petrological Notes, W. M. Hutchings; Pholidoph- 
orus germanicus in the Upper Lias, Whitby, A. 8. Woodward; Pseudo- 
trionyx from the Bracklesham Beds, A. 8. Woodward; Notes on Stereodon- 
melitensis, J. H. Cooke. 
American Naturalist, Sept. Vo. contains: A Reply to Prof. Marsh’s 
“Note on Mesozoic Mammalia,” H. F. Osborn. 
Oct. No. contains: A Sketch of the Geology of South America, G. 
Steinmann; Notes on the Hearts of Certain Mammals, Ida H. Hyde. 
Nov. No. contains: The Permian, Triassic, and Jurassic Formations in 
the East Indian Archipelago (Timor and Rotti), August Rothpletz; The 
Hat Creek Bad Lands, J. S. Kingsley. 
Canadian Record of Science, July, 1891, contains: On a new Horizon 
in the St. John Group, by G. F. Matthew; On some Granites from British 
Columbia and the Adjacent Parts of Alaska and the Yukon District, by 
F. D. Adams. 
Ottawa Naturalist, NVov., 1891, contains: Canadian Gems and Precious 
Stones, by C. W. Willmott. 
IV. Excerpts and Individual Publications. 
On some of the Melaphyres and Felsites of Caradoc, by Frank Rutley. 
From Quart. Jour. Geol. Soc. Nov., 1891, Vol. xivi. 
On a Spherulitic and Perlitic Obsidian from Pilas, Mexico, by Frank 
Rutley. From Quart. Jour. Geol. Soc. Nov.,1891, Vol. xnvit. 
A New Locality for Meteoric Iron with a Preliminary Notice of Dis- 
covery of Diamonds in the Iron, by A. E. Foote. From Proc. A. A.A. 8. 
Volj sn. 
The Trias of the Vale of Cleoyd. Notes on a section of the Trias and 
Boulder Clay in Chapel Street, Liverpool. A Further Note on the De- 
composed Boulder and Underlying Red Sandstone in the Chapel Street 
Section, Liverpool. By T. Mellard Reade. 
The Cause of the Glacial Period and an Explanation of Geological 
Climates, by Marsden Manson. From Trans. Technical Society of the 
Pacific Coast, Vol. vit. 
V. Foreign Publications. 
Fold. Kéz. (Budapest) Vol. xx1, Nos. 6 and 7, June and July, 1891, 
(Supplement) contains: Die Bewegungen auf den Schemnitzer Erzgiin- 
gen in geologischer Beziehung, Szabo; Mineralogische Mittheilungen, 
Zimanyt; Uber die gwei geologischen Karnten Rumiiniens. 
Annual Report of the Department of Mines, New South Wales, for the 
year 1890.. Sydney, 1891. : 
Jahresb. des Vereins fiir Erdkunde zu Metz fiir 1890-91. 
Trans. Leeds Geologicai Association. Part v1. 1890-91. 
Gestreifte Magnetitkrystalle aus Mineville, Lake Champlain Gebiet, 
Staat New York, von J. F. Kemp. Sep.-Abd. aus “Zeitsch. fiir Krystal- 
lographie, etc.,” x1x. 
Uber das transkaspische Naphtaterrain. Uebersicht der Geologie 
Daghestans und des Terek-Gebietes. Ueber das diluviale, arabokaspische 
