582 REPORT OF NATIONAL MUSEUM, 1893. 



No. 62382. Three slabs, of a thin-bedded graunlar, scarcelj^ translnceut variety of 

 travertine of a white, amber, ochreous browu, and red mottled color. Largest 

 an irregular oval some 24 by 38 inches. From Big Bug Qaiarries, Mayers Sta- 

 tion, Yavapai County, Arizona. Collected by George P. Merrill. 1892. 



No. 60845. Slab of opaque oxidized variety "tapestry onyx." Cut across the grain 

 on plane of deposition. Size, 15 by 21 inches. Locality as above. (See PI. xv.) 



No. 66999. Irregular slab of green and oxidized travertine, some 12 by ,36 inches. Cut 

 across the grain. Locality as above. Gift of William O. O'Neill. 1891 



No. 68364. Slab of a pink granular, scarcely translucent variety, 17 by 36 inches, 

 Locality as above. Received from G. S. Fellows. 1892. 



No. 68365. Irregular slab, 12 by 15 inches, of light green and brownish material 

 Locality as above. Received from G. S. Fellows. 1892. 



No. 67825. Small irregular block about 5 by 9 by 2 inches. Selected to show nucleal 

 mass of unchanged green onyx surrounded by a shell of oxidized material. 

 (See PI. 8.) Locality as above. Collected by George P. Merrill. 1892. 



No. 60846. Three irregular slabs, the largest some 22 by 26 inches, of opa([ue oxidized 

 travertine, of ochreous yellow, brown, and red colors. Cut parallel with plane 

 of deposition. Locality as above. 



No. 67000. Three slabs, 5 by 13, 7 by 13, and 5 by 18 inches. Cut across the plane of 

 deposition to show alternating bands of oxidized and unchanged material. 

 Locality as above. Gift of William O. O'Neill. 1891. 



No. 67821. Block about 3 by 4 inches of oxidized onyx, illustrating the completed 

 stage of the process. Locality as above. Collected by George P. Merrill. 



No. 68251. Three blocks, 4 by 7, 8 by 7, and 5 by 7 inches, of green and brown trav- 

 ertine, from the so-called Cave Creek Quarries, in the southern part of Yavapai 

 County, near the Maricopa County line, and some 50 miles north of Phtenix, 

 Arizona. Collected by George P. Merrill. 1892. 



No. 61306 and No. 61307. Seven small slabs of white, pink tinted, and smoky clouded 

 varieties, from San Luis Obispo, California. (PI. 12.) Highly translucent. 

 Received from. J. and F. Kesseler. 1893. 



No. 36759. Two small thin slabs, 1| by 3J inches, of white onyx, cut across the grain. 

 Nearly transparent. Locality as above. 



No. 25571. Two cubes, 4 by 4 inches, of white and white-l>rown veined travertine, 

 from locality as above. Received from the Tenth Census. 1881. 



No. 27301. Small slab, 3| by 4 by 1 inches, marked only as from Califoiuia. Received 

 from Mrs. L. J, Wilkins. 1882. 



No. 36886. Small slab, some 5 by 11 inches, of bright emerald green, highly trans- 

 lucent travertine, from near Crescent Falls of Sacramento River, 5 miles 

 south of Berry ville, Siskiyou County, California. Received from J. S. Diller and 

 L. J. Griffin. 1884. 



No. 67665. Two small pieces similar material from Shasta Springs, .Shasta County, 

 California. Received from F. W. Crosby. 1892. 



No. 68451. Small irregular fragments of a dark amber variety, cut across the grain. 

 From Sulphur Creek, Colusa County, California. Received from Henry S. 

 Durdeu. 1892. 



No. 25255. Slab of dark amber variegated travertine, 5 by 10 inches, from Suisun 

 City, Solano County, California. Received from Centennial Commission. 1876. 



No. 25256. Slab of dark amber variegated travertine, 5 by 10 inches Locality as 

 above. Received from Centennial Commission. 1876. 



No. 38445. Five small irregular pieces of dark amber variegated travertine, cut 

 across the grain and polished. Locality as above. Received from B. K. Emer- 

 son. 1886. 



No. 25645. One small piece of dark amber variegated travertine, 6 by 6+ by 2 inches 

 cut across the grain and polished. Locality as above. Received from the 

 Tenth Census. 1881. 



