PROCEEDINGS, VOLS. 1-50 



DERBY-DRAPER 



Derby, Orville A., geology of the 



lower Amazon, 18, 155. 

 — ■ — , — of the diamantiferous region 



of the province of Parana, Brazil, 



18, 24S, 251- 



Dermestidre of the United States, 



revision of the, 20, 343. 

 Desor, Edouard. lake dwellings, 9, 



413. 

 obituary notice of, 20, 298, 519. 



— — pierres a eceuilles en Europe, 



17, 714- 



Development, the beginnings of, 14, 

 622. 



Devonian rocks at Palenvillc in the 

 Catskills, 17, 346. 



Dew and hoar frost, 9, 456. 



Dew point hygrometer, 2, 249, 252. 



Diabase, miocene, of the Santa Cruz 

 Mountains in San Mateo Co., Cali- 

 fornia, 43, 16. 



Diamagnetism, 10, 199. 



Diamantiferous region of Parana, 

 Brazil, geology of, 18, 248, 251. 



Diamond found in Georgia, 4, 211. 



— light produced by, 7, 175. 

 Dibenzy], 18, 345. 

 Dichlorsalicylic acid, 17, 68. 

 Dicotylins of the John Day Miocene 



of North America, 25, 62. 

 Didelphis virginiana, 4, ^ly . 

 Diego de Landa's writings, 24, i. 

 Dillingham, William H., obituary 



notice of, 6, 91. 



— • — . of Judge Gaston, 4, 49. 



Dimethyl racemic acid, 43, 105. 

 Dinosauri in Wyoming transition 



beds, 12, 4S1. 

 Dinosaurian Lselaps Incrassatus, skull 



of the, 30, 240. 

 Dinosaurus from Utah Trias, 16, 579. 

 Dioxyethyl-methylene, 18, 346. 

 Disk, engraved, found in Guatemala, 



19, 191- 



Distance, effect of imperceptible 

 shadows on judgment of, 46, 94. 



Dixon, Samuel G., obituary notice of 

 Isaac Lea, 50, xxxix. 



Dock, effects of lightning in deep 

 mines, 10, 288. 



Dodecahedron, relation of the pen- 

 tagonal, found near Marietta, 

 Ohio, to Shamanism, 36, 179. 



Dolley, Charles S., obituary notice of 

 John M. Maisch, ZZ', 345- 



— • — 'Thyrsus of Dionysos, and the 

 palm inflorescence of the winged 

 figures of Assyrian monuments, 31, 

 109. 



Dolomite, analysis of pure, 19, 197. 



Dolomitic limestone rocks of Cum- 

 berland Co., Pa., 18, 114. 



Domes, construction of, 10, 379. 



Doolittle, Charles L., obituary notice 

 of Simon Newcomb, 49, iii. 



— • — variation of terrestrial latitude. 

 36, 434- 



Doolittle. Eric, orbit of double star 

 ^ 518. 42, 170. 



Dopplerite, substance resembling, 



20, 112. 



Doremus, Charles A., identification 

 of colored inks by their absorption 

 spectra, 35, 71. 



Double star ^ 518, orbit of, 42, 170. 



Douglas, Earle, cretaceous and lower 

 tertiary section in south central 

 Montana, 41, 207. 



Douglas, James, obituarj' notice of 

 Thomas Sterry Hunt, Memo-rial 

 Volume, I, 63. 



record of borings in the Sul- 

 phur Spring Valley, Arizona, and 

 of agricultural experiments in the 

 same locality, 40, 161. 



Drake, Noah Fields, coal fields of the 

 Indian Territory. 36, 2^26. 



Draper. Henry, discovery of oxj-gen 

 in the sun by photography, 17, 74. 



— — memorial photographs of stellar 

 spectra, 24, 166. 



obituary notice of, 20, 656. 



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