Cross] 



413 



[Cross 



number of vibrations necessary to determine pitch. 



Amer. Ass. Proc., 1884, 114-115. 

 Beport on experiments with the Brush storage battery. 



Electrician, 12, 1884, 294-296. 

 Experiments with the thermal telephone. Amer. Ac. 



Proc., 21, 1886, 257-261. 

 Notes on equal temperament and the character of 



musical keys. Amer. Ac. Proc., 21, 1886, 499-503. 

 Experiments on the melting platinum standard of 



light. Amer. Ac. Proc., 22, 1887, 220-226. 

 On the extent of the excursion of the electrodes of a 



microphone transmitter. Amer. Ac. Proc., 25, 1890, 



69-82. 



Cross, Charles R., & Goodwin, Harry M. Some considera- 

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Amer. Ac. Proc., 27, 1893, 1-12. 

 Cross, Charles R., & Hayes, Harry E. On the influence 



of the strength of the magnet in a magneto-telephone 



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 Cross, Charles R., & Maltby, Margaret E. On the least 



number of vibrations necessary to determine pitch. 



Amer. Ac. Proc. , 27, 1893, 222-235. 



Cross, Charles R., & Mansfield, Arthur N. An investiga- 

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 Cross, Charles R., & Page, James. Measurement of the 



strength of telephone currents. Amer. Ac. Proc., 21, 



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 Cross, Charles R., & Phillips, Henry M. On the excursion 



of the diaphragm of a telephone receiver. Amer. Ac. 



Proc., 28, 1893, 234-246. 

 Cross, Charles R., & Sabine, Annie W. Eesearches on 



microphone currents. Amer. Ac. Proc., 24, 1889, 94- 



104. 

 Cross, Charles R., & Shepard, William E. The inverse 



electro-motive force of the voltaic arc. Amer. Ac. Proc., 



22, 1887, 227-244. 

 Cross, Charles R., & Wendell, George V. On some 



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279. 

 Cross, Charles R., & Williams, Arthur S. The strength 



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 Cross, Charles Whitman. *Studien iiber bretonische 



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 *[Microscopical examination of the gold sand from 



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*0n hypersthene-andesite and on triclinic pyroxene 



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Communications from the U. S. Geological Survey, 

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[The artesian wells of Denver.] Geological relations. 

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A list of specially noteworthy minerals of Colorado. 

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On the occurrence of topaz and garnet in lithophyses 

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The Cimarron land-slide, July 1886. [1886. ] Colorado 

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Note on phonolite from Colorado. [1887.] Colorado 

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Note on slipping-planes and lamellar twinning in 

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The Denver Tertiary formation. [1888.] Colorado 



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Note on some secondary minerals of the amphibole 

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Geology of the Eosita Hills, Custer Co., Colorado. 

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On alunite and diaspore from the Eosita Hills, 

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 Colorado springs to Denver. Congr. G6ol. Int. C. E., 



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 Excursion to Morrison. 



Congr. Geol. Int. C. E. , 1891, 

 Congr. G<k>l. Int. C. E., 1891, 



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Excursion to Golden. 

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Constitution and origin of spherulites in acid eruptive 

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Post-Laramie deposits of Colorado. 



Amer. Jl. Sci., 

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 The Post-Laramie beds of Middle Park, Colorado. 

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 Igneous rocks from the coal and iron regions of 



Coahuila and Nueva Leon, Mexico, collected by E. T. 

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 On a series of peculiar schists near Salida, Colorado. 

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Surv. Eep., 1892-93 (Ft. 1), 248-249; 1893-94, 165-166. 

 The laccolitic mountain groups of Colorado, Utah, 



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 Intrusive sandstone dikes in granite. [1893.] Amer. 



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Geology of the Cripple Creek gold mining district, 



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 Igneous rocks of the telluride district, Colorado. 



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 [The diorite of Ophir Loop, Colorado.] Science, 3, 



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[Eemarks on the geology of the Eocky Mountains.] 



Science, 3, 1896, 642. 



[Landslides in the telluride region of Colorado.] 



Science, 4, 1896, 962. 



[Geology of the Denver basin in Colorado.] Chapter 



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Geology of Silver Cliff and the Eosita Hills, Colorado. 



[1896.] U. S. Geol. Surv. Eep., 1895-96 (Pt. 2), 263-403. 



Igneous rocks of the Leucite Hills and Pilot Butte, 



Wyoming. Amer. Jl. Sci., 4, 1897, 115-141. 



An analcite-basalt from Colorado. Jl. Geol. (Chicago), 

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The geological versus the petrographical classification 

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Landslides of the Eico Mountains, Colorado. [1899.] 



Amer. Geol. Soc. Bull., 11, 1900, 583-584. 



[The probable origin of the Gondwana beds in India.] 



Science, 11, 1900, 430. 

 Cross, Charles Whitman, & Eakins, L. G. 



On ptilolite, a 



