Vol. 54.] 



6ENEEAL INDEX. 



669 



Polyzoan fauna, no evid. of deep- 

 water conds. in Crag, 344. 

 Porphyrite, coarse, of Lambay I., 



145-147 ; of Tinker's Hill, 561. 

 Portunidge, 33. 

 Porttmites incerta, 34. 

 Post-Glacial beds exposed in cutting 



of new Bruges Canal, 575-581 w. 



lists of foss. 

 Post-Permian age of cone-in-cone 



struct, in Coal Measures, 196. 

 Potchefstroom (Transvaal), altered 



basalt from, 91. 

 Pounder Lane (Derby), quartz-rock & 



limest. of, 174-175. 

 Pre-G-lacial drift in Ty Newydd Caves, 



122 et seqq. ; age of submerged 



rock-valleys in S. Wales, Devon, & 



Cornwall, 276, 277 ; landslip at 



Little Orme's Head, 396. 

 Prestwich, Lady, presents portrait of 



Sir J. Prestwich, i. 

 Prestwich's zone-theory of Cor. Crag 



discussed, 308 et seqq. 

 ' Primary,' use of term deprecated, 



99, 100. 

 Prior, G. T., chem. anal, of dolomite, 



89. 

 Productus margaritaceus abundant at 



Gt. Orme's Head, 390. 

 Promathildia comp. w. Aclisina, 50. 

 Pseudomurchisonia comp. w. Micren- 



toma, 69. 

 Psiloceras planorbis, affinities and de- 

 scent of, 445. 

 Psiloceratidge, list of genera, 461. 

 Pterograjptiis (1) sp. , 482 fig. 

 Purbeck Beds of Sussex, moUusca of, 



567 ; nat. gas from (?), 568, 574. 

 Purple Sandstone ( = Upper Carb. 



Limest.) of Vale of Clwyd, 398. 

 Pyrites assoc. w. gold in WiLwaters- 



rand conglom., 80, 81. 

 Pyromerides of Boulay Bay, 101-118 



figs. & pi. vii. 

 Pyroxenic rocks, 'normal,' limits of 



variat. in chem. compn., 647. 



Quartz, crystalline, replacg. limest., 

 179-181 ; thermal orig. of, in 

 Derbyshire quartz-rocks, etc., 181- 

 182. 



Quartz-crescents in pyromerides of 

 Boulay Bay, 106 et seqq. ; other 

 quartz-enclosures in same, 116, 117 

 figs. 



Quartz-diabase fr. Vaal River, 91. 



Quartz-felsite fr. S. Transvaal, 76. 



Quartz-mosaic in N. Anglesey schists, 

 371-381 figs. 



Quartz-pebbles in high-level gravels 

 of Berks & Oxon, 589 et seqq. 



Quartz-rock in Carb. Limest. of Derby- 

 shire, 169-183 & pis. xi-xii (map & 

 microsc. sects.). 



Quartzite w. fossil mud-films, iii ; 

 quartzites (& shales) of Hospital 

 Hill Series, 78 ; of Witvvatersrand 

 Series, 80 ; of Black Reef Series, 

 86 ; of Magaliesberg & Gatsrand, 

 90. 



Quartzite-gravel of Berks & Oxon, 

 590; its relat. to gravels of local 

 orig., 595 ; flint-implemts. in, 598 ; 

 fluviat. orig. (?) of, 599. 



Quartzose Gravel (high-level) of Berks 

 & Oxon, 587 ; flint-flake in, 598 ; 

 marine orig. (?) of, 599. 



Quebec Group, graptolite-fauna comp. 

 w. that of Skiddaw Slates, 525-530 

 w. tables ii & iii. 



Queen, letter ack. Address to, i. 



Radiolarian earths in Barbados, 540 

 et seqq. ; chert of Cape Gertrude, 

 647. 



Rag, see Corallian of TJpware. 



Raised beaches in Franz Josef Land, 

 638-641 ; in Spitsbergen, 205 et 

 seqq., 214 ; in Cornwall newer than 

 stream-tin gravels, 274-275. 



Ramsholt (Sufiblk), Cor. Crag, of, 

 324. 



Rand Victoria boring (Witwaters- 

 rand), sect, descr., 84. 



Rangifer tarandus, antlers, found in 

 raised-beach (?) deposits of Franz 

 Josef Land, 631. 



Bmiina, generic char, of, 23. 



{Eaninellal) atava, sp. nov., 24 



& pi. i. 



Raninoidea, 23. 



Reade, T. M., on Post-Glacial Beds 

 in Cutting of new Bruges Canal, 

 575-581 w. lists of foss. ; on 

 High-level Marine Drift at Oolwyn 

 Bay, 582. 



Reading (Berks), high-level gravels of 

 surroundg. district, 585-600 w. 

 sects. & pi. xxviii (map). 



Red Basement Beds (Carb.), absent in 

 neighb. of Llandudno, 385. 



Red Crag, zonal division of, 308, 309 ; 

 R. C. at Boyton, 333. 



Red Road (Chobham Ridges), sect., 

 187. 



Redonite, comp. w. phosphatized tra- 

 chyte of Clipperton Atoll, 231, 232. 



Reed, F. R. C, list of foss. fr. Lambay 

 L, 138. 



