ObservaU << Collection of 



a mans hande, such a one (as was reported to Cceaar, and to us 



iu the Kii ges Senal ver any human Eye behelde. The 



i Admiral] d to have gotten it of the Pyrattes at 



incredible price." I D< cadi viii. c. 4.) 



< >ming down to later times, we find Prof. I'. Blake, in the 



\ in Jonrnal of S and Arts Cor March. l v ."> s . in an 



interesting article on " The ( 'halchihuitil of the Mexicans," in- 



- thai the Navajo Indians in the northern and western 



. : \. w Mexico wear small ornaments and trinkets of 



a hard, green stone, which they call by the Mexican name, and 



which they regard as of greai value; "a string of fragments 



large enough for an ear-ring being worth as much as a mule." 



Mr. Blake, suspecting this stone to be turquoise, and learning 



that it was yet procured in small quantity by the Indians 



among the mountains aboul twenty miles from Santa F6, 



ted the spot, where he found an immense pit excavated in 



granular porphyry, " 200 feel in depth and 300 or more in 



width," besides some smaller excavations, lie obtained many 



rments of the so-called chalchihuitU " of apple-green and 



en, passing into bluish-green, capable of a fine polish, 



and of a hardness little less than that of feldspar." The frag 



menu; found were small, not exceeding three quarters of an 

 inch in length and one-quarter of an inch in thickness, and 

 the material " appeared to have formed crusts upon the sur- 

 f cavities or fissures in the rock, or t<> have extended 

 through it in veil 



M' I;:;,! cription applies to the specimens exhibited 



to the Lyceum not long by Prof. Newberry, and there is 



Q0 doubl that the material wa-, or rather is, a variety of the 

 tun, I'.ut I doubl it' it he the true eholohihtUU of the 



.•is and Central Americans. Thai they used the stone 

 rihed by Mr. Blake tor certain purpo es, I know ; for there 

 n the museum of the late Mr. Senrj Christy, in Lon- 

 don, a human skull completely encru.-led with a mosaic of 

 tone, and a Mint knife with its handle elaborately 



