319 



Pte 



Protospongia (?)flabella, xxvii. 401 & 

 pi. xvi. 



(?) major, sp, nov., xxvii. 401 & 



pi. xvi. 



Prototaxites, gen. nov., char, of, xv. 484 ; 



& Pachytheca fr. Corwen, xxxviii. 103- 



109. See also Nematophycus. 



Logani, sp. nov., xv. 484 figs., 485. 



Protovirgularia dichotoma (?), xi. 475, xii. 



244. 

 Protovirgularia -Flags & Grits in Pen- 



whapple Glen, xxxviii. 652. 

 Protozoa in Devon, group, xxxvii. Proc. 



180. 

 Protozoic, Sedgwick's use of term, viii. 



155. See also Palaeozoic. 

 Provinces, zoological, xvi. pp. xxxv, xxxvi; 



xxvi. pp. lv et seqq. 

 Prudelle, Plateau de la (Auvergne), curvi- 



tabular struct., xxxii. 146 fig. 

 Psammechinus Duciei, xx. 475. 

 Scillce, xx. 475. 



Woodsi, xxxi. 447 & pi. xxi. ; xxxiii. 



64 ; xliii. 413. 



Psammite in Portugal, ix. 139. 

 Psanimites du Condroz (=true O. R. S.), 



xxxviii. 201. , 

 Psammobia (?) Condamini, sp. nov., x. 158 



& pi. ii. 



Jonesi, sp. nov., xvi. 180 & pi. x. 



Psammocarcinus Hericartii, xxvii. 91 & 



pi. iv. 

 Psammodus rugosus, xl. 629. 

 Psammosiplion, gen. nov., xxxviii. 390. 



amplexus, sp. nov., xxxviii. 391 & 



pi. xv. 



elongatus, sp. nov., xxxviii. 390. 



Psammosphcerafusca, xxxix. 26 & pi. ii. 

 Psaronius, sp. identif. w. lr. portion of 



Caidopteris Lockwoodi, xxvii. 270. 

 Psephophorus polygonus, xxxvi. 406-413 



& pi. xv. 

 Pseudastacus (?) serialis, sp. nov., xlii. 



556 & pi. xvi. 



■ sp. (Oxf. Clay), xlii. 556 & pi. xvi. 



Pseudasterostoma, synonym of Palceo- 



pneustes, xlviii. 166. 

 Pseudaxinus, gen. nov., xx. 298. 



trigonus, sp. nov., xx. 299 & pi. xv. 



Pseudo-apatite, *chem. anal, of, ix. (Part 2) 



31. 

 Pseudo-bedding, see Pseudo-stratification. 

 ' Pseudo-bombs ' in felspathic rocks of 



Carrick, xxii. 519, 523. 

 Pseudo-chrysolite fr. Moldauthein, xli. 



154, 155. 

 Pseudo-crystals in foyaite, xlvii. 261 



tigs. 

 Pseudo-crystallites, in variol. diabase of 



Ficbtelgebirge, xlvii. 56 ; in Lleyn 



variolite, xlix. 158. 

 Pseudo-dykes among Mesoz. strata of 



N.E. Scotland, xxix. 129. 

 Pseudo-glaciation in Rio Tinto district, 



xli. 264. 

 Pseudo-hypersthene, char, of, xli. 380. 

 Pseudo-spherulites in Carrock Fell tachy- 



lyte, xlv. 300. 



Pseudo - stratification in ign. rocks of 



Ben Greig, xxx. 245 ; in gabbro of 



Rum, xxx. 253; in ign. rocks gene- 

 rally, xxxi. 137 ; in hypersthenite of 



Carrock Fell area, xxxii. 17, 21 ; in 



Dartmoor Granite, xlix. 394, 397. 

 Pseudo-stromatism, term prop, for app. 



bedding in cryst. rocks, xlii. Proc. 



65. 

 Pseudodiadema, ambulacr. plates in, xli. 



426. 



Carteri, xxxi. 302 & pi. xv. 



depressum, var., ambulacr. plates in, 



xli. 430 fig. 

 hemisph&ricum, ambulacr. plates in, 



xli. 428, 429 figs. 

 Ilichelini, ambulacr. plates in, xli. 



431 fig. 

 Pseudolacuna macroptera, xxxv. 85 & 



pi. vii. 

 Pseudoliva elegans, sp. nov., xvi. 176 & 



pi. viii. 

 Pseudomorphs after rock-salt, iv. 273, 



ix. 5, 187, xxiv. 546, xxv. 50, xxviii. 



245 ; *after red silver-ore, etc., x. (Part 



2) 10; *dolomitic, after garnet, xxix. 



(Part 2) 4 ; in Cornish rocks, xxxii. 159, 



417; in Warwick diorites, xxxv. 639, 



640 ; after felspars, xxxvi. Proc. 51 ; 



after hornbl., in magma-basalt, xlv. 



353 fig.; of limonite after pyrites, 



xlvii. 514 ; after olivine, xxxix. 304, 



1. 613, 614. 

 Pseudomorphism in rocks, xxii. 216. 

 Pseudoniscus aculeatus, xxiii. 31 & pi. i. 

 Pseudosphcerexochus, subgen. of Cheiru- 



rus, xxxviii. 534. 

 Psilophyton, gen. nov., char, of, xv. 478. 

 elegans, sp.nov.,xviii. 315 &pls.xiv.- 



xv. 



(?) glabrum, sp. nov., xviii. 315. 



princeps, sp. nov., xv. 479, 480 figs., 



482, xviii. 315, xix. 465 & pi. xviii.; 



comp. w. Arthrostigma gracile, xxxiii. 



218. 



robustius, sp. nov., xv. 481 figs. 



spp. (Devon.), xix. 461 ; ? (Lr. 



O. R. S.), xxxiii. 217 figs., 219. 

 Pteraspidae in Upper Silur. of N. America, 



xli. 48-64 figs.; different, fr. Cephal- 



aspidae, xli. 56. 

 Pteraspis, gen. char, discussed, xiv. 



pp. Ixxxv, 267-270; minute struct. 



descr., xiv. 274-277 & pi. xv. ; comp. w. 



Cephalaspis, xiv. 277 ; its zool. posit., 



xiv. 278; diagr. of restored Pt., xvii. 



165 ; scales & cephalic shield of Pt., xx. 



194-197 & pi. xii., xli. 51 lig. ; (?) tracks 



of, in Upper Ludlow sandst., xxiii. 333- 



339 figs. 

 Pteraspis Banksii, sp. nov., xii. 100 & 



pi. ii. 



dunensis, xvii. 163-166. 



Integra, *Kunth's discov. of, xlviii. 



543. 



Mitchelli, sp. nov., xx. 427. 



rostratus, xviii. 254, 258. 



truncatus, sp. nov., xii. 100 & pi. ii. 



