ADDITIONS TO TUK LIBRARY. 21^ 



Compositiim of Uraninite iu general, o84. — 8. L. Peiitiold. Anlho- 

 pliyllite from Franklin, Ma'.'on Co., N.C., .'J)4. — P. M. Fo.sliay. Pre- 

 glacial f)rainageaud llccfnt Geological History of Western Pennsylvania, 

 397. — F. W. Mar. C)u the so-called Perofskite from Magnet Cove, 

 Arkansas, 403. — F. W. Clarke and E. A, Schneider, l^^xperinieuts upon 

 the Constitution uf the Natural Silicates, 40o, 452. — J. 1). ])ana. Long 

 Island Si)und in the Quaternary Era, witli observations on the Submarine 

 Hudson Uiver Channel, 347. — J. W. Spencer. The Deformation of 

 Iroquois Beach and ]3irth of Lake Ontario, 443. — J. C. (Traham, Peculiar 

 Method of Sand-Transportation by Rivers, 476. — J. S. Diller. Note on 

 the Cretaceous Rocks of Northern California, 470. — L. V. Pirsson. 

 Fowlerite Vaiiety of Rhodonite from Franklin and Stirling, N. J., 484. — • 

 S. L. Penfield. Some Observations on the Beryllium Minerals from Mt. 

 Autero, Colorado, 488. 



NiGvr Haven. American Journal of Science. Ser. 3. Vol. xli. 

 Nos. 241-246. 1891. 

 J. W. Spencer. Deformation of the Algonquin Beach and Birth of 

 Lalve Huron, 12. — A. F. Foerste. On the Clinton Oolitic Iron Ores, 28. — 

 AV. Upham. A Review of the Quaternary Era, with special reference to 

 the Deposits of Flooded Rivers, 33. — L. V. Pirsson. On some Reniark- 

 iibly developed Calcite Crystals, 61. — O. C. Marsh. A Homed Antio- 

 dactyle {Frotoce?'as celer) from the Miocene, 81. — W. P. Headden. 

 Columbite and Tantalite from the Black Hills of South Dakota, 89. — 

 N. H. Dartou. Notes on the Geology of the Florida Phosphate Deposits, 

 102. — N. H. Darton. Record of a Deep Well at Lake Worth, Southern 

 Florida, 10-5. — S. L. Penfield. Chemical Composition of Aurichalcite, 

 106. — C. R. Van llise. Attempt to Harmonize some apparently con- 

 flicting Views of Lake Superior Stratigraphy, 117. — W. H. Melville. 

 Powellite-Calcium Mol3'bdute : a new Mineral Species, 138. — 0. C. 

 Marsh. Gigantic Ceratopsidie, or Horned Dinosaurs of North America, 

 1()7. — J. S. Newberry.* The Flora of the Great Fall Coal-field, Montana, 

 191. — J. W. Spencer. High-Level Shores iu the region of the Great 

 Lakes, and their Deformation, 201. — H. L. Wells. Composition of Pul- 

 lucite and its Occurrence at Hebron, Maine, 2J3.— R. S. Tarr. The 

 Phenomenon of Rifting in Granite, 267. — C. R. Keyes. The Redrock 

 Sandstone of Marion County, Iowa, 273. — E. H. S. Bailey. On Halotri- 

 chite, or Feather Alum, from Pitkin County, Colorado, 296. — O. C. Far- 

 rington. On Crystallized Azurite from Arizona, 300. — 0. A. Derby. 

 On the Occurrence of Xenotime as an Accessory Element in Rocks, 308. 

 — 0. A. Derby. On the Magnetite Ore Districts of .Tacupiranga and 

 Ipanema, Sao Paulo, Brazil, 311. — C. F. de Landero. On Pink'Grossu- 

 larite from Mexico, 321. — O. C. Marsh. Restoration of Triceratops^ 339. 

 — C. E. Beecher. Development of the Brachiopoda, 344. — T. C. Cham- 

 berlin and R. D. Salisbury. Relationship of the Pleistocene to the Pre- 

 pleistocene of the Mississi])pi Basin, south of the Glaciation limit, 359. — 

 H. V. AVinchell. Geological Age of the Sagauaga Syenite, 386. — F. A. 

 Genth, S. L. Penfield, and L. V. Pirsson. Contributions to Mineralogy, 

 Nos. 50 & 51, 394, 401.— W. P. Blake. Columbite of the Black Hills, 

 South Dakota, 403. — H. N. Ridley. The Raised Reefs of Fernando de 

 Noronha, 406. — T. M. Reade. The Cause of Active Compressive Stress 

 in Rocks and Recent Rock Flexures, 409. — W. P. Headden. A new 

 Phosphate from the Black Hills of South Dakota, 415.— AV. E. Hidden 

 and J. B. Mackintosh. Supplementary Notice on the Polycrase of Nortli 

 and South Carolina, 423. — F. J. H. Alerrill. On the Post-Glacial Historv- 

 of the Hudson River A^alley, 460. — AA^. Cross. On Alunite and Diaspore 

 from the Rosita Hills, Colorado, 466. — AV. II. AJelville. Diaspore Crys- 



