DEPARTMENT OF GEOLOGY. 215 



Quartz porphyry. Sent by Dr. Scott Hill, Augusta, Me. 1569. 



Minerals for determination. Sent by Sarah Hollingsworth, Dogwood P. <>., Mo. 

 1570. 



Biotite granite. Sent by A. P. Eells, Boston, Mass. 1571. 



Material for determination. SentbyChas. A. Raber, South Riverside, Cal. 1573. 



Material for determination. Sent by P. P. Player, Bledsoe, Ala. 1574. 



Pyrite. Sent by S. Heymann, Fayetteville, Tenn. 1576. 



Material for determination. Sent by C. VY. McAlarney, Plymouth, Pa. 1578. 



Pyrrhotite. Sent by Leonard D. Siver, Spokane, Wash. 1579. 



Bituminous limestone. Sent by Benson Lewis, Thurber, Piute County, Utah. 

 1580. 



Magnetite, supposed tin ore. Sent by S. I. Gaskill, Salesville, Gallatin County, 

 Mont. 1586. 



Phosphatic limestone. Sent by C. G. Faucher, Flagstaff, Ariz. 1592. 



Material for assay. Sent by J. Stouffer, Wooddale, Pa. 1593. 



Supposed ore for determination. Sent by J. S. Lee, Roswell, N. Mex. 1595. 



Micaceous schist carrying graphite. Sent by J.A.Navarre, Chelan, Wash. 1596. 



Material for assay. Sent by Wm. McVay, Prineville, Oregon. 1598. 



Material for identification. Sent by J. Stouffer, Wooddale, Pa. 1599. 



Material for determination. Sent by Hunt Bros., Sturgis, Miss. 1601. 



Supposed ore, for determination. Sent by Geo. Kenney, Elf, Clay County, N. C. 

 1604. 



Clay, for analysis. Seut by R. F. Thorne, Iuka, Tishomingo County, Miss. 1606. 



Sand for determination. Sent by Robert Goudie, Nashville, S. Dak. 1609. 



Minerals for determination. Sent by R. T. Ford, Naillon, Tenn. 1612. 



Minerals for analysis. Sent by Geo. Bonnell, Tooele City, Utah. 1615. 



Ore for determination. Sent by W. L. Detrick, Julian, San Diego County, Cal. 

 1616. 



Clay for analysis. Seut by A. D. Merick, The Portland, Washington, D. C. 1618. 



Supposed ore. Sent by C. H. Campfield, Dulzura, San Diego County, Cal. 1620. 



Material for determination. Sent by B. S. Belcher, Ada, Mercer County, W. Va. 

 1622. 



Material for determination. Sent by C.H. Campfield, Dulzura, San Diego County, 

 Cal. 1625. 



Material for assay. Sent by George H. Buchanan, Tannersville, N. V. 1631. 



Material for assay. Sent by H. E. Stufflebeam, Delaney, Ark. 1636. 



Clay, supposed aluminum ore. Sent by R. E. Cook, Nottingham, Ala. 1637. 



Pitchstone. Sent by Paul Murn, Boulder, Mont. 1638. 



Metal for determination. Sent by J. Stouffer, Wooddale, Fayette County, Pa. 

 1639. 



Material for assay. Sent by J. Ebaugh, Carrollton, Carroll County, Md. 1640. 



Alloy for determination. Sent by J. R. Hunt, jr., Sturgis, Miss. 1641. 



Supposed gold ore. Sent by Gen. P. N. Hagner, Washington, D. C. 1642. 



Stalagmitic limestone. Sent by C. E. Van Deren, Cottonwood, Ariz. 1645. 



Material for assay. Sent by G. W. Chambers, Egger, Ark. 1647. 



Volcanic dust. Sent by Levi Allen, Salubria, Idaho. 1648. 



Eruptive rock. Sent by Dr. W. S. Newlon, Oswego, Kans. 1649. 



Material for assay. Sent by H. A. James, Oklahoma. 1652. 



Clay. Sent by T. S. Harris, New York, N. Y. 1655. 



I (('composed asbestos. Sent by L. F. Cooper, Crescent City, Cal. 1657. 



Material for assay. Sent by L. A. Rawlins, Box Elder, Colo. 1661. 



Material for assay. Sent by II. W. Flagg, Martinsburg, W. Va. 1662. 



Quartz stained by oxide of iron. Sent by J. Ebaugh, Hamilton, Carroll County, 

 Md. 1666. 



