[1915-19-] 



488 



Plants, distribution of, in Sardinia. — 

 Blengino, A., 2. 



, , in Scandinavia. — Samuels- 

 son, G. 



, evolution of herbaceous. — Sin- 

 no tt, E. W., 2. 

 , geographical distribution of. — 



Morris, Sir D. 

 , geological history of Australian. 



— Andrews, E. C, 8. 

 , principal groups of fossil. — 



Maslen, A. J. 

 , use of fossil, in correlation. — 



Knowlton, F. H., 1. 

 Plaster of Paris, foreign substances 



in.— Troxell, E. L., 3. 

 Plastic flow. — Bingham, E. C. 

 Plasticity, of strata.- — Guebhard, A., 



19. 



Plateau, Armenia. — Ginsberg, A. S. 

 , Citta della Pieve, Italy. — Verri, 



A., 2. * 

 , Millevacties, Cent. Prance. — - 



Glangeaud, P., 15. 

 , South-Eastern Highlands. — 



Bremner, A., 6. 

 , Tamlelt, Oram— Dolle, L., 1 ; 



Bey, F. 



, volcanic, 1ST. Atlantic. — Hawkes, 



L., 2. 



Plateaus, British Columbia. — 



Beinecke, L., 1 & 5. 

 , elevated, formation of. — Nor- 



denskjceld, O., 1. 

 , lava, of Clvde Basin. — Tvrrell, 



G. W., 9. 



, volcanic, Victoria. — Keble, B. 



A. , 2. 



Platecarpus. — Loomis, F. B., 1. 

 Plateosaurus. — Broom, B., 5. 

 Platform, submerged, of Indian 



Ocean. — Schwarz, E. H. L., 2. 

 Platinum, Canada. — O'Neill, J. J.. 



5. 



, Madagascar. — Lacroix, A., 61. 



, Nevada. — Knopf, A., 1. 



, Nova Scotia. — Faribault, E. 



B. , 7. 



, Spain. — Duparc, L., 2; Earl, 



T. "C, 1; Gilhnan, F. ; Orueta, D. 

 de, 3. 



, S. Bhodesia, — Zealley, A. E. V., 



8. 



~ , United States, production. — 



Hill, J. M., 2. 

 , Ural Mts. — Dodonoff, G. A. ; 



Duparc, L., 2. 



, Victoria. — Howitt, A. M., 5. 



, in copper ores. — Mingaye, J. C. 



H. , 1. 



, estimation of. — Schotte, — . 



, metals, detection of. — Ban- 

 nister, C. O. 



Platyceras. — Chapman, F., 6; Cob- 

 bold, E. S., 2; Fuchs, A. ; Gortani, 

 M., 3; Hede, J. E., 2; Williams, 

 H. S., 2; Williams, M. Y., 11. 



Platychonia. — Oppliger, F. 



Platycrinus. — Wilson, H. E. ; Wright, 

 J., fit, 2. 



Platygonus.- — Hay, O. P., 1 ; Troxell, 



E. L., 1. 

 Platymerella— Savage, T. E., 3. 

 Platynus. — Wickham, H. F., 3. 

 Platyostoma. — Williams, H. S., 2. 

 Platypterna. — Lull, B. S., 3. 

 Platyschisma. — Trechmann, C. T., 3. 

 Platystega. — Wiman, C, 1. 

 Platystrophia. — Howell, J. V. ; Mc- 



Ewan, E. B. ; Savage, T. E., 4; 



Trowbridge, A. C, 3; Williams, 



M. Y., 11. 

 " Playa " gold-mining, Colombia. — 



Ward, W. F. 

 Pleasant Biver Barrens (Nova Scotia). 



—Faribault, E. B., 2. 

 Plecotrema. — Morgan, J. de, 3. 

 Plectambonites. — Howell, J. V. ; Man- 



suy, H., 1 ; Beed, F. B. C, 3 & 4; 



Trowbridge, A. C, 3. 

 Pleetoidothyris & PJectothyris.- — Buck- 

 man, S. S., 4. 

 Plectrodus. — Woodward, A. S., 17. 

 Plectroptema. — Lull, B. S., 3. 

 Pleistocene, Arctic Begions. — Ahl- 



mann, H. W., 5. 



, Argentina. — Castellanos, A. 



-, Atlantic Coastal Plain, U.S.A. 



—Clark, W. B., 1. 



, Balearic Is.— Bate, D. M. A., 2. 



, Belgium.— Hallez, H., 1-3. 



, British Isles. — Bell, A., 4. 



• , Burma. — Annandale, N., 1 ; 



Woodward, A. S., 6. 

 .California. — Chandler, A. C, 



1 & 2; Knowlton, F. H., 2; Miller, 



L. H., 1-3; Stock, C, 1-5. 



, Cambridge.— Marr, J. E., 4 & 6. 



, China. — Matsumoto, H., 2. 



, England. — Kennard, A. S., 1. 



, Essex.— Newton, E. T., 2. 



, Europe, Asia & N. Africa. — 



Osborn, H. F., 1. 

 , Idaho. — Merriam, J. C, 12 '& 



14. 



■ , Illinois.— Shaw, E. W., 2; 



Wickham, H. F., 2. 

 , Indiana & Michigan. — Leverett, 



F. , 4. 



, Iowa. — Carman, J. E. ; Hay, 



O. P., 1; Kay, G. F., 4 & 9; 



Leighton, M. M. 

 , Ireland. — Praeger, B. L., 2; 



Phillips, B. A. ; Woodward, B. B., 



2. 



, Japan. — Matsumoto, H., 3 & 



4. 



, Kansas.— Hay, O. P., 6 & 8. 



■ , Maine. — Blanev, D. ; Little, 



H. P., 2. 



, , & New Hampshire. — 



Katz, F. J., 5. 



, Malta.— Bate, D. M. A., 1. 



, Minnesota. — Leverett, F., 2. 



, Montana. — Stebinger, E., 4. 



, Missouri. — Shaw, E. W., 2. 



