I 
96 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, [bull. 271 
Perkins (George H.) — Continued. 
6. Description of species [of fossil fruits] found in the Tertiary lignit* | 
of Brandon, Vermont. 
Vt. Geol. Surv., Rept. State Geol., IV, pp. 174-212, 7 pis., 1904. 
7. Hydrology of Vermont. A summaiy of investigations upon th< 
drinking waters of Vermont. 
Vt. Geol. Surv., Rept. State Geol., IV, pp. 213-227, 1904. 
Perry (Joseph H.). 
1. Geology of the Monadnock Mountain, New Hampshire. 
Jour. Geol., vol. 12, pp. 1-14, figs. 1-5, 1904. 
Describes character, occurrence, and relations of the granites, schists, an 
other rocks of the Monadnock Mountain, and discusses their age and thl 
reasons for the survival of the mountain. 
Peter (Alfred M.). 
1 . Report of the Division of Chemistry [of the Kentucky Agriculture 
Experiment Station]. 
Ky. Agric. Exp. Sta., L3th Ann. Kept,, for the year 1900, pp. xi-xxxiv [1904?; 
Includes chemical analyses of crude petroleum, phosphatic limestone, an 
mineral waters. 
Peters (W. J.). 
1. Itinerary and topographic methods [of a reconnaissance in norther 
Alaska]. 
U. S. Geol. Surv., Professional Paper no. 20, pp. 18-25, 1904. 
Peterson (O. A.). 
1. Osteology of Oxydactylus, a new genus of camels from the Lou 
Fork of Nebraska, with descriptions of two new species. 
Carnegie Mus., Ann., vol. 2, pp. 434-476, pis. iv-xv, tigs. 1-3, 1904. 
2. Recent observations upon Daemonelix. 
Science, new ser., vol. 20, pp. 344-345, 1904. 
Phalen(W. C). 
1. Notes on the rocks of Nugsuaks Peninsula and its environ 
Greenland. 
Smith. Misc. Coll., vol. 45, pp. 183-212, pis. 5:5-55, 1904. 
Describes characters and occurrence of rocks from northern Greenland. 
2. A new occurrence of unakite — a preliminary paper. 
Smith. Misc. Coll., vol. 45 (Quar. Issue, vol. 1, pts. 3 and 4), pp. 306-316 
pis., 1 tig., 1904. 
Describes the occurrence and characters of unakite and associated rocks 
Milams Gap, Virginia. 
Phillips (Alexander H.). 
1. Radium in an American ore. 
Am. Phil. Soc, Proa, vol. 43, pp. 157-160, 1904. 
Describes the occurrence and composition of carnotite from Utah a 
Colorado, and the extraction of radium therefrom. 
if 
