WEEKS.] 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
301 
Petrology— Continued. 
A In ska— Continued. 
Reconnoissance in Alaska, Spurr, 5184. 
Reconnoissance of a part of Prince William 
Sound and the Copper River district, Schra- 
der, 4833. 
Report of Sushitna expedition, Eldridge and 
Muldrow, 1631. 
Scapolite rocks from Alaska, Spurr, 5181. 
Arizona. 
1'ctrographical character of the lavas, Id- 
dings, 2830. 
Arkansas. 
Igneous complex of Magnet Cave, Arkansas, 
Washington, 5878, 5880. 
[Novaculites of Arkansas], Hinde, 2602. 
Origin of certain siliceous rocks, Derby, 1487. 
Origin of novaculites, Kutlcy, 4721. 
Origin of the Arkansas novaculites, Griswold, 
2198. 
Whetstones and novaculites, Griswold, 2195. 
California. 
A new arnphibole-pyroxenc rock, Turner, 
5469. 
Age and succession of the igneous rocks of 
the Sierra Nevada, Turner, 5457. 
Analcite diabase from California, Fairbanks, 
17 is. 
Bidwell Bar folio, Turner, 5471. 
Big Trees folio, Turner and Etansome, 5485. 
Colfax folio, Lindgren, 3547. 
Downieville folio, Turner, 5467. 
Eruptive rocks of Point Bonito, Ransome, 
4532. 
Geological notesonthe Sierra Nevada, Tur- 
ner, 5453. 
Geology of Angel Island, Ransome, 1533. 
Geology ofCarmelo Bay, Lawson, 3411. 
Geology of eastern California, Fairbanks, 
1754; 
(leology of Point Reyes Peninsula, Ander- 
son, 111. 
(ieology of Point Sal, California, Fairbanks, 
17:,:;. 
Geology of Sierra Nevada, Turner, 5465. 
Geology of southern coasl ranges, Fairbanks, 
1768. 
ecology of the San Francisco peninsula, Law- 
son, 3416. 
Gold quartz veins of California, Lindgren, 
3531. 
Gold-silver mines of Ophir, Cal., Lindgren, 
3523. 
Granitic rocks of Pyramid Peak district, 
Lindgren, 3535. 
Granitic rocks of the Sierra Nevada, Turner, 
5179. 
Granites of the Sierra Costa Mountains, Her- 
shey, 2497. 
Hornblende-basalt, Diller, 1505. 
Lassen Peak folio, Diller, 1502a. 
Lava flows of Sierra Nevada, Ransome, 4540. 
Lherzolite-serpentine and associated rocks, 
Palache, 4240. 
Mother Lode district folio, Ransome, 4543. 
Mount Ingalls, lavas of, Turner, 5448. 
Nevada City, special folio, Lindgren, 3529. 
Pyramid Peak folio, Lindgren, 3530. 
Petrology— Continued. 
California — Continued. 
Replacement ore deposits, Turner, 5480. 
Rocks and minerals from California, Turner, 
5473. 
Rocks of coast ranges, Turner, 5472. 
Sacramento folio, Lindgren, 3522. 
San Clemente Island, Smith, 5062. 
Santa Catalina Island, Smith, 5059. 
Smartsville folio, California, Lindgren and 
Turner, 3528. 
Soda-rhyolite north of Berkeley, Palache, 
4239. 
Sonora folio, Turner and Ransome, 5470. 
Syenitic rocks from California, Turner, 5466. 
Truckee folio, Lindgren, 3534. 
Canada. 
A new analcite rock, Coleman, 1042. 
Anorthosites of Lake Superior, Lawson, 8108. 
Anorthosites of Ontario, Coleman, 1032. 
Archean rocks from Quebec, Dresser, 1541. 
Basic dikes and volcanic rocks, Miller, 4006. 
[Reaver Creek meteorite], Merrill. G. P., 3947. 
Camptonite and other intrusives of Lake 
Memphremagog, Marsters, 3727. 
Clear Lake, rocks of, Coleman, 1027. 
Contribution to our knowledge of the Lau- 
rentian, Adams, 1 1. 
Corundiferous nepheline-syenite, Coleman, 
1043, L045. 
Crystalline rocks mar St. John, Matthew, 
W. D., 3795. 
Diabase dikes in the Thousand Islands, 
Smyth, C. 1L, jr., 5079. 
Dikes containing huronite, Barlow, 245. 
Dikes cutting the Laurentian, Miller and 
Brock, 1005. 
Effusive and dike rocks near St. John, N. B., 
Matthew, W. D., 3798. 
Elaolith-syenit von Montreal, Osann, 1174. 
Geology of a portion of Ontario, Adams, 12. 
Geology of Admiralty group, Adams. 17. 
Geology of French River sheet, Bell, 406. 
Geology of Laurentian area, Adams, 18. 
Geology of Nipissing and Temiscaming map 
sheets. Barlow, 253. 
Granites and arkoses, Barlow and Ferrier, 252. 
Intrusive rocks nearSt. John, Matthew, W. D., 
3797. 
Laurentian and Iluronian rocks, Barlow, 243, 
211. 
Laurentian area in Montreal sheet, Adams, 
11. 
Laurentian rocks of the Thousand Islands, 
Coleman, 1026. 
Multiple diabase dike, Lawson, 3414. 
Nepheline syenite from Ontario, Adams, 10. 
Nodular granite, Adams, 21. 
Norian in the Upper Laurentian, Adams, 13. 
Norian oder ober-Laurentian, Ueber das, 
Adams, 9. 
Norian rocks of Canada, Lawson, 3407. 
Notes on concretions, Weston, 6023. 
Notes on intrusive rocks, Matthew, 3803. 
On malignite, Lawson, 3417. 
Probable occurrence of nepheline-bearing 
rocks, Adams, 33. 
Quebec and Montmorency counties, micro- 
scopical character of rocks of, Ferrier, 319. 
