PROCEEDIXGS, VOLS. 1-50 



LAW-LESLEY 



Law, Philip H., obituary notice of, 

 25» 225. 



, of William S. Vaux, 22, 



404. 



observations on Gildas and the 



uncertainties of early English his- 

 tory. 25, 132. 



Lea, Henry C. new fossil shells from 

 Virginia Tertiary, 3, 162. 



obituary notice of. 50, iii. 



Lea, Isaac, American fresh water 

 Mollusks, 5f 187, 251. 



— — auroras, 6, 162. 

 Coprolites, 3, 143. 



-description of nineteen new spe- 

 cies of Colemacea, i, 173. 



— ■ — fresh water and land shells, i, 

 285; 2, II, 30, 81, 147, 224, 237, 

 241, 284: 4, 162. 



— — lithodomi perforations, 2, 213. 



^lelania Cincinnatiensis, i, 66. 



Naiades, 5, 187, 191, 220. 



obituary notice of, 24, 400. 



• , Richard C. Taylor, 5, 226. 



— — Oolitic formation in America, 



I, 225. 



Pine Grove coal, 2, 229. 



reptilian footmarks at Sharp 



Mountain, Pa., 5, 91. 

 — • — turbinated shells. 2, 234. 

 Lead, native, in gold from Montana, 



II, 443- 



— solutions, electrolysis of. 24, 428. 

 Leaf structure, comparative, of the 



strand plants of Xew Jersey. 48, 

 72. 

 Le Conte, John L., Coleoptera of 

 Florida, description of new species, 



17. 373- 



, — Michigan, 17, 593, 669. 



Florida Coleoptera, 17, 373, 



470. 

 -geographical distribution of 



Coleoptera. 17, 470. 

 -obituary notice of, 13, 183; 21, 



291, 294. 



Le Conte, John L.. obituary notice of 



(continued). 

 — ■ — , Charles R. Darwin, 20, 



235- 



— — , S. S. Haldeman, 19, 109. 



■ — — tendencies of scientific culture, 



18, 569. 

 and George H. Horn. Rhynco- 



phora of North America, 15, i; 



16, 417. 

 Lee, Richard Henry and Arthur Lee, 



calendar of the correspondence of, 



38, 114- 

 Leid}', Joseph, geology, &c., of the 



[Missouri headwaters, 7, 10. 



obituary notice of, 30, 135. 



, Isaac Lea. 24, 400. 



Leland, Charles Godfrey, obituary 



notice of, 42, xi. 

 Lenni Lenape or Delaware Indians, 



language of the, Trans Hist, and 



Lit. Coiinii., I, 451. 

 Lenthall, John, launch of the ship 



Pennsylvania, 3, 103. 

 Leonard, Charles Lester, X-ray, new 



physical phenomena of, 35. 298. 

 Lepidopterous wing ; specializations 



of the, Parnassi-Papilionidfe, 38, 



725- 

 Lesley. J. Peter, Abbeville quarries, 



9, 388. 



— - — African dialects, 9, 3. 



Allegheny Mountains, section 



across the, 11, 115. 



antiquities in Harris Museum in 



Alexandria, 10, 561. 



Anx, notes on Hebrew etymolo- 

 gies from the Egyptian. 29, 17. 



— - — -artesian wells, 29, 43. 



asphalt. West Virginia, 9, 183. 



aurora at Cape Breton, 9, 60. 



Becker's aneroid, 7, 342. 



, — self registering combined 



thermometer and barometer, 7, 339. 



— — brown hematite ore banks of 

 Spruce Creek, &c.. Pa.. 14, 19. 



47 



