[1915-19-] 



496 



Pyrargyrite, Mexico. — Castro, C, 3. 

 Pyrazisinus. — Dall, W. H., 2. 

 Pyrazus. — Cossmann, M., 1 ; Dainelli, 

 G. 



Pyrenean folding, Asturias. — Ter- 

 mier, P., 9. 



Pvrenees. — Caralp. J. : Dalloni. M., 

 '6; Douville, H., 23, 29, 30 & 32; 

 Lapparent, J. de, 2-4; Muentz, A., 

 1 & 2; Spitz, A., 2; Stuart- 

 Menteath, P. W., 2-5 & 7-9. 



, igneous rocks & minerals. — 



Lacroix, A., 21, 31, 51 & 52. 



, mineral waters. — Jadin, P., 2. 



— (Eastern), glaciation. — Mendel, 



O. 



, Xavarrese. — Palacios, P., 1. 



Pyrenees Mine (Victoria). — Barag- 



wanath, W., 2. 

 Pyrgocystis. — Bather, F. A., 2. 

 Pyrgula. — Annandale, X., I. 

 Pyrina. — Clark, W. B.. 3; Hawkins, 



H. L., 10. 

 Pyrite.— Allen, E. T., 2. 



, Belgium. — Ledoux, A., 3. 



. Carnarvonshire. — Sherlock, R. 



L., 5. 



, Colorado. — Ungemach, H., 3. 



— — , Egypt. — Anon., 103. 



, France. — Lacroix, A., 57; 



Ungemach, H., 2. 

 , Madagascar. — Ungemach, H., 



1. 



, Norway. — Carstens. C. W., 1 ; 



Ries, H., 8. 

 , Ontario. — Hopkins, P. E., 3; 



Parsons, A. L., 5. 



, Sardinia. — Lincio, G., 4. 



, Switzerland. — Stauffacher. J., 



1. 



, Tennessee. — Taylor, J. H. 



, Trentino. — Bibolini, A. 



, Yenetia. — Billows, E. 



, argentiferous. — Cesaro, G., 14; 



Zambonini, F., 6. 



— .argentiferous. — Cesaro, G., 14; 



Zambonini, F., 6. 



, atmospheric oxidation of. — 



Winmill. T. F., 4. 



. auriferous, Piedmont. — Rein- 

 hold, T. 



, constitution of. — Goodchild. W. 



H., 4. 



, determination of sulphur in. — - 



Craig, T. J. I. ; Phillips, H. 



in coal, Ohio. — Tucker, W. M. 



, in lake sediments. — Xaumann, 



E., 3. 



, incrustations of. — Gregorio, A. 



de, 5. 



Pyrobelonite.— Flink, G., 7. 

 Pyrochroite. — Amino ff, G., 11. 

 Pvroclastic rocks, Berwvn Hills. — 



'Cope, T. H. 

 Pyroc ystls.— Reed, F. R, C, 3. 

 Pyrolusite. — Billows, E. 

 Pvrometrv, with the blowpipe. — 



'Holmquist, P. J., 4. 



Pyromorphite. — Amadori, M., 1 & 2 ; 



Shannon, E. V., 1. 

 Pyrope. — Doelter, C, 2. 

 Pyrophyllite. — Clapp, C. H., 4 & 6; 



Doelter, C, 2; Turner, H. W., 1. 

 PyroiDhyllitisation, of rocks. — Bud- 



dington, A. F., 1. 

 Pyrosmalite.— Flink, G, 4. 

 Pyroxenes. — Cesaro, G., 9; Flink, 



G.. 1; Ledoux, A., 4; Sen Gupta, 



K. K., 1. 



. See also ^Egirine, Augite, 



Diopside. 



Pvroxenite, Madagascar. — Lacroix, 

 "A., 49. 



Pvrrhotite. — Memiell, F. P.. 3; 



Taylor, J. H. 

 norite, Sudbury. — Walker, T. 



L., 1. 



Pyrularia. — Reid, G, 6. 

 Pythiopsi-s.—^Slorgan, J. de, 3. 

 Pythonomorpha, Cretaceous. — 



Repelin, J., 5. 



Quadra I. (Vancouver). — Cairnes, D. 

 D., 4. 



Quadratirhynch.ia. — Buckman, S. S., 4. 



Quadratu-s zone, Berkshire. — Haw- 

 kins,^ L., 11. 



Quadricellaria. — Canu, F., 1. 



Quadriunana, Pleistocene. — Portis, 

 A., 1. 



Quanah (Texas). — Wegemann, C. H., 

 6. 



Quarries, dUrville I., X.Z. — Thom- 

 son, J. A., 13. 



, iron-stone. — Hatch, F. H., 6. 



■Quarry industry, New York. — New- 

 land, D. H., 1, 2 & 5. 



. See also Building materials. 



Quarter (Lanarkshire). — Carruthers, 

 R. G., 5. 



Quartz. — -Billows, E. : Franco. S. 



di, 2; Gonnard, F., 3; Grill, E., 1. 



, in basalt. — Fenner, C, 1. 



, coefficient of expansion of. — 



Barnes, H. T., 1. 



, colours of.— Watson, T. L., 7. 



, crystalline aggregates of. — 



Aminoff, G., 4. 

 . cubical expansion of. — Wheeler, 



N. E. 



, deformation of. by pressure. — 



Musy, M., 4. 

 . etch -figures of. — Ichikawa, S., 



1. 



, fused, considered as a mineral. 



— Lacroix, A., 20. 

 , optical properties of. — Bous- 



sinesq, J., 17. 

 . porphvritic. — Holmquist, P. J., 



1. 



, pseudomorph, S. Africa. — Van 



der Lingen, J. S. 

 , refractory properties of. — Le 



Chatelier, H!, 5. 

 . replacement of sulphides by. — 



Wolcott, H. N. 



