508 



INDEX. 



Laboratory apparatus, Gooch, 239. 



Landauer, J., Blowpipe Analysis, 80. 



Lea, M. Carey, estimation and dehydra- 

 tion of silver oxide, 249 ; silver heini- 

 sulphate, 322; notes on silver, 444; 

 silver chlorides, 446. 



Lincoln, D. F., glaciation in the Finger- 

 Lake region, N. Y., 290. 



Lindgren, W., gold deposit at Pine 

 Hill, California, 92. 



Linebarger, C. E., relations between the 

 surface tensions and chemical consti- 

 tution of liquids, 83 ; concentration 

 of the ions as affecting the color of 

 salt solutions, 416. 



Ludeking, C, synthesis of crocoite and 

 phasnicochroite, 57. 



M 



McGee, W". J., Gulf of Mexico as a 

 measure of isostasy, 177; Pleistocene 

 history of northern Iowa, 500. 



Macgregor, W., upraised Coral Islands 

 off New Guinea, 256. 



Magnetic circuits, joints, Ewing, 499. 

 and earth current phenomena, re- 

 lation between, Ellis, 424. 



field. mapped by photography, 

 -Thwing, 374. 



Marsh, 0. C, Mesozoic vertebrate fos- 

 sils, 171; restorations of Claosaurus 

 and Ceratosaurus. 343 ; restorations of 

 Mastodon Americanus, Cuvier, 350. 



Mathematicians and Astronomers, Con- 

 gress, 81. 



Mechanics, Theoretical. Spencer, 256. 



Meschinelhi, A., Sylloge fungorum fossil- 

 ium, etc., 335. 



Meteoric iron, Kenton Co., Ky., Preston, 

 163. 



Meteorite, Mt. Joy, Penn., Howell, 415. 

 Washington Co , Kansas, Preston, 

 400. 



Meyer, L., Outlines of Theoretical Chem- 

 istry, 255. 



Meyer, R., Jahrbuch der Cbemie, 72. 



Millar, C. C. H., Florida, South Carolina 

 and Canada phosphates, 342. 



Milne, J., great earthquake of Japan, 

 ]891, 80. 



Mineral resources of the U. S., Day, 

 430. 



Minerals — 

 Aguilarite, 381. 

 Basilite, Sweden, 261. 

 Crocoite, synthesis, 57. Cyrtolite, Col- 

 orado, 387. 



Minerals — 



Danalite. W. Cheyenne Cafion, 385; 

 Cornwall, 430. 



Fuchsite, Habersham Co., Ga., 388. 



Garnet, Buckfield, Me., 79. Graphi- 

 tite, 497. 



Herderite, Hebron, Me., 114. 



Lepidolite, Japan, 387. Lollingite, 

 North Carolina, 384. 



Masrite, Egypt, 261. Metacinnabar- 

 ite, Orange Co., Calif., 383. Mor- 

 denite, constitution, 101. 



Penfieldite, 260. Phasnicochroite, syn- 

 thesis, 57. Polybasite, Aspen, Col., 

 15. Ptilolite, Custer Co., Col., 96, 

 101. 



Quartz, from the alteration of flesh- 

 colored orthoclase, W. Cheyenne 

 Canon, 385. 



Rutile, Colorado, 384. 



Sjogruvfite, Sweden, 262. 



Tenuantite, Aspen, Col., 15. 



Yttrium-calcium fluoride, Colorado, 

 386. 



s 



Natural Science, a monthly review, 170. 



New Jersey, Geol. report, 1891, Smock, 

 77. 



Nichols, E. L., age-coating in incandes- 

 cent lamps. 277. 



Obituary — 



Rutherfurd, L. M., 82. 



Orton. E., quartz bowlder in the Sharon 

 coal of northwestern Ohio, 62 ; Petro- 

 leum natural gas and asphalt rock of 

 W. Kentucky, 78. 



Osteology of Poebrotherium, Scott, 428. 



Paleontologie vegetale. Zeiller, 334. 



Paleontology, see Geology. 



Pearce, S. H., polybasite and tennantite 

 from Aspen, Col., 15. 



Peloponnesus, geology of, part II, Phil- 

 ippson, 79. 



Penfield, S. L., polybasite and tennantite 

 from Aspen, Col, 15; crystallogra- 

 phy of alkali-metal pentahalides, 42 ; 

 herderite from Hebron, Me., 114; 

 crystallographic notes on alkaline 

 iodates, 123; crystallography of 

 double halides of silver and alkali- 

 metals, 155; crystallography of the 

 cassiuni and rubidium chloraurates 



