311 



Por 



tion to Southampton Water & Botley 



Common, xxvi. pi. xxxvii. ; view ol 



cliffs betw. Boscombe and, xxxviii. 4. 

 Poolvash (I. of Man), limest., etc. of, ii. 



318, 322, 333 ; xlvii. 433. 

 Poonah (India), section to Bombay, iii. 



222. 

 Poortown (I. of Man), picrite-porphyrite 



of, xlvii. 434. 

 Porambonites, gen. relats. of, ix. 155. 



■ lima, sp. nov., ix. 156 & pi. viii. 



■ Bibeiro, sp. nov., ix. 156 & pi. viii. 



sp. (? Silur,), xx. 295 & pi. xvii. 



Porcellanites in Trinidad, xvi. 467 ; Pebid., 



xl. 523, 550, xlvi. 262; do. nr. St. 



David's, xl. 544, 551. 

 Poreellia ornata, iv. 181. 

 Porcupine, Cape (Nova Scotia), vi. 351. 

 Porella concinna, xxxviii. 271 ; xliii. 63. 

 denticulate/,, xxxvii. 336 & pi. xvii. ; 



xxxviii. 510. 

 ■ emendata, sp. nov., xxxvii. 336 & 



pi. xvii. 



imbrieata, xlvii. 23 & pi. iii. 



marsupium, xxxix. 437, xliii. 62 ; 



var. porifera, xliii. 63, xlvii. 23 & 



pi. iii. 

 Porey's Spring (Barbados), Oceanic De- 

 posits at, xlviii. 208. 

 Porfido-rosso antico, brecciated, xli. 157- 



161 fig. 

 Porifera, foss., char, of, v. 55-63 ; classif. 



of, xxxiii. 251 ; progr. in study of, xxxiv. 



Proc. 58 et seqq. ; chief source of flints, 



xxxvi. 90 ; in Brit. Palseoz., xxxvii. Proc. 



152, 160, 172, 206; in Brit. Jurass., 



xxxviii. Proc. 192, 215 ; fr. Inf. & Gr. 



Oolite, xxxix. 541-554 & pis. xx.-xxi. ; 



calcar., fr. Richmond boring, xl. 778- 



783 & pi. xxxv. See also Sponges 8c 



generic names. 

 Poriferous surface in Pharetrospongia, 



xxxiii. 244 & pi. xi. 

 Porina (?) bioculata, sp. nov., xlvii. 26 & 



pi. iii. 

 clypeata, sp. nov., xxxvii. 332 & 



pi. xvii. ; xxxviii. 268. 

 (?) columnata, sp. nov., xxxvii. 334 



& pi. xviii. 

 coronata, xxxvii. 333 & pi. xv. ; 



xxxviii. 268, 508; xxxix. 437; xli. 297; 



(?) xlvii. 24 & pi. iv. 



(?) duplicata, xlvii. 25 & pi. iii. 



grandipora, sp. nov., xliii. 59 & 



pi. vii. 



larvalis, xxxviii. 269 & pi. ix., 509. 



(?) papillosa, xlvii. 25 & pi. iii. 



Forties astroides, xxiv. 15. 



Collegniana, xix. 437. 



indicus, sp. nov., in Khirthar Series, 



xxxvii. 200. 



ramosa, xxix. 561. 



Beussiana, sp. nov., xxi. 8 & pi. i. 



spp. (Eoc), i. 522 ; (Tert.), xix. 442. 



Porlock Bay (Somerset), subm. forest-beds 



of, xxii. 1-9 w. map ; P. B. district, 



Devon, of, xxiii. 685; Lr. Devon, betw. 



Lynton and, xxiii. 594. 



Porospongia ocellata, xxix. 54 & pi. vi. 



Porphyries in Dalecarlia, iii. 7-9 ; in 

 Elfdal & on Lake Wenjan, iii. 11-14; 

 in N. Wales, iii. 135 et seqq. ; of Bel- 

 gium, vii. 6-9 w. chem. anal. ; of 

 Sichon Valley, vii. 14, 16 ; *quartzif., 

 viii. (Part 2) 1-8; of Davar I., viii. 

 414; on Turko-Persian frontier, xi. 

 293, 295 ; intrus., in Perm, of Thurin- 



& gerwald, xi. 421; *of Sann R., xvi. 

 (Part 2) 14 ; in S.E. Jamaica, xvi. 325 ; 

 in Nevada, xx. 319 et seqq. ; of Lesma- 

 hagow district, xii. 2l ; in N.W. 

 Highlands, xv. 365, 383 ; of Ben Nevis, 

 xix. 204. 



Porphyries, green, of Cuns Fell, xxi. 

 239 ; of Knock Pike, xxi. 241 ; of Dufton 

 Pike, etc., xxi. 242 et seqq. ; in Lake 

 District, xxii. 481 et seqq. ; syenitic, 

 betw. Ennerdale & Buttermere, xxv. 

 437; felstone-, of Carrock Fell, xxv. 

 438, 439; & green slates betw. Ulles- 

 water & Keswick, xxvi. 599-610 figs. ; 

 ' coulees ' of Scur of Eigg, xxvii. 303 ; 

 in Rio Tinto district, xli. 250 w. chem. 

 anal. ; sections showg. their relats. to 

 other rocks, xli. 252. 



Porplvyrites, of Eigg, xxvii. 292 ; of Ayr 

 coast, xxxiv. 780 ; of Barley Bridge, 

 xxxv. 169 ; of Lr. O. R. S. of Scotland, 

 xlviii. Proc. 73, 75 chem. anal. ; Carb. 

 ibid., xlviii. Proc. Ill ; assoc. w. O. R. S. 

 in N. Ireland, xxxvi. 529, 530; of 

 Peldar Tor, xlvii. 82 w. chem. anal. ; in 

 pre-Devon. of Bohemia, xxxvi. 599; 

 of Atlas Range, xxviii. 94 ; pyritous, of 

 Queensland, xxviii. 302 w. chem. anal. & 

 pi. xi. ; in Seringapatani district, xliv. 

 647, 648, 652; fragm. of, in brecc. 

 porfido-rosso antico, xli. 157 et seqq. ; 

 ' porph.' or ' altered andesites,' xlii. 

 419, 430, 433. 



Porphyritic rocks interstrat. w. Upper 

 Oolite in Bolivia & Peru, xvii. 32; 

 porph. obsidian of Yellowstone district, 

 xxxvii. 394 & pi. xx. ; diabase of Pol- 

 peor, xxxix. 4; diorite of Lizard, xlv. 

 533, 534; gabbros, dolerites, & basalts 

 of Scotland & Ireland, xlii. 69 & pi. vii. ; 

 orig. of struct, in same, xlii. 77; intrus. 

 rock of Golabara R., chem. anal, of, 

 xlii. 566 ; rocks of Jersey, xlvii. 35-36 ; 

 crystals in basalt-glass, xxxix. 459 & 

 pi. xiii.; felspars, growth after con- 

 solid. & weathering of igneous rock, 

 xlv. 178. 



Porphyro-granulitic structure def., xli. 

 361. 



' Porphyroid ' of Sharpley, xxxviii. 199 

 chem. anal., xlvii. 82 ; of Peldar Tor, 

 xlvii. 80 w. chem. anal. 



Port a, la Jument (Sark), gneissoid & 

 other rocks of, xlviii. 131 et seqq. figs. 



Port an Righ (Ross), section across reefs 

 at, xxix. 125 ; Corall. Oolite of, xxix. 

 176 w. list of foss. 



Port au Port Peninsula (Newfoundland), 

 galena & other ores of, xxx. 737, 738. 



