297 



Per 



Pennington, R., obituary of, xliv. Proc. 



48. 

 Pennsylvania, footpr. in Coal Measures of, 

 ii. 417-420; *Rogers's Geol. of, xv. 



p. xxix ; pterasp. fishes fr. Upper Silur. 



of, xli. 48-64 figs. ; Quatern.morainic de- 

 posits of, xlvi. Proc. 114; Calamites fr., 



xlix. Proc. 9 ; cone-in-cone in Devon. (?) 

 of, 1. 731-739 &pls. xxxv.-xxxvi. 

 Penrhyn Quarries (Caernarvon), trilob. fr., 



xliv. 74-78 & pi. iv. ; tunnel in, xlix. 



442. 

 Penrhyn Slates, ii. 298, 299 ; iii. 138. 

 Penrith (Cumberland), section fr. W. of, 



to Hartside, xviii. 210; Perm., etc., 



betw. Gr. Ormside and, xviii. 209; N. 



of, xviii. 211 et seqq. ; footpr. in Lr. 



New Red Sandst. of, xl. 479-481. 

 Penrith Sandstones (Lr. Perm.), xx. 148 ; 



in Carlisle Basin, xxxvii. 287 ; superf. 



resembl. to Kirklinton Sandst., xxxvii. 



291. 

 Pentacrinus annulatus at Speeton, xlv. 



616. 

 aicstralis, sp. now, xxvi. 243 & pis. 



xvii. -xviii. 



gracilis, xiv. 34. 



robustus, xiv. 34. 



■ Wyville-Thomsonicom-p. w. Milleri- 



crinus Prattii, xxxviii. 37. 

 Pentagonal network (' reseau pentagonal '), 



*Elie de Beaumont's theory, ix. p. xlii. 

 Pentalophodon, prop, subgen. of Masto- 

 don, xiii. 314; gen. nov., xxi. 262. 

 Pentamerus borealis, zone of, in Baltic 



provs. of Russia, xxxviii. 526. 

 Coppingeri, sp. nov., xxxiv. 594 & 



pi. xxv. 

 esthonus, zone of, in Baltic provs. of 



Russia, xxxviii. 526. 



• galeatus, iv. 174. 



sp. (Silur.), xxxiv. 595. 



Pentamerus-limestones in Scandinavia, 



i. 469 et seqq., xi. 163, 164, xiv. 39 



et seqq. ; in U.S.A., iv. 152, xiv. 367, 



371 ; in Shropshire, x. 62 et seqq. ; 



classif. value of, xiv. 50, 51; P.-beds, 



relat. to strata above & below, xix. 



p. xxxix ; P. -grits & shales of New- 

 lands, xxxviii. 625. 

 Pentire Point (Cornwall), 'blue elvan' of, 



xxxiv. 477 w. chem. anal. ; amygdal. 



lava fr., xxxiv. 482, 483 w. chem. anal. 



& pi. xx. 

 Pentland Hills (S. Scotland), iv. 199, vii. 



166 ; boulders on, v. 23 ; 0. R. S. of, 



xvi. 320 & pi. xviii (section). 

 Pentraeth (Anglesey), gneiss S. of, xxxvii. 



211. 

 Pentreath Beach (Cora wall), serpentine, 



etc. of, xxxiii. 887. 

 'Pentremital ' limestones in W. States, ii. 



437 et seqq. 

 Pentremites, *jomtedi tentacles or pinnulae 



on ambulacr. spaces of, v. (Part 2) 8- 



11 figs. 

 ■ cervinus comp. w. Astrocrinites, 



xxxii. 110 & pi. xiii. 



Pentuan Valley (Cornwall), stream-tin 



works, section at, fig. & descr., vii. pi. 



vi. ; xlviii. 317. 

 Penwhapple (Ayr) & Ardmillan, Graptol. 



Flagst. Series of, xxxviii. 584; sections 



in P. Glen descr., xxxviii. 603, 630 ; do. 



fig., xxxviii. 604, 632, 645 ; do. W. of, 



descr., xxxviii. 648; do. of lr. portion 



descr., xxxviii. 651 ; exposures E. & W. 



of P. Glen, xxxviii. 610; geol. map of 



district, xxxviii. pi. xxv. 

 Penwhapple Flags = Upper Bala, xiii. 



206 ; P. Grits & Shales, xxxviii. 635. 

 Penj'gent CYorks), sections to Settle & to 



nr. Clapham, viii. 47. 

 Penzance (Cornwall), killas fr. Botallack 



nr., xxxi. 324 ; so-called ' greenstones ' 



of district, xxxi. 328, xxxii. 158 et seqq. 



w. chem. anal. ; granite ibid., xxxi. 331 ; 



altered dolerites ibid., xxxii. 418. 

 Peperino of Alban Hills, vi. 295 et seqq. 

 Pepinster (Liege), section to Spa, ix. 



21. 

 Perched blocks deposited by icebergs, 



xxix. p. lxiii ; p. bl. in Harris, xxxiv. 



838 ; & assoc. phenomena, xlii. 527-539 



figs. 

 Percy, J., [Note on Chem. Anal, of 



Water fr. Turko-Persian Frontier], xiii. 



187. 



; obituary of, xlvi. Proc. 45. 



'Perek ' (=alkali-pits), xi. 320. 



Perez, A., *Nummul., Cret., & Jurass. 



of Marit. Alps, nr. Nice, xi. (Part 2) 



1-7. 

 Perqensia amphoralis, gen. & sp. nov., 



1.'75, 76 & pis. ii.-iii. 



galeata, sp. nov., 1. 76 & pi. iii. 



jugata, sp. nov., 1. 76 & pis. ii., iv. ; 



var. bi-gibbosa nov., 1. 76 & pis. ii., iv. 



major, sp. nov., 1. 74 & pis. ii.-iii. 



minima, sp. nov., 1. 74 & pis. ii.-iii. 



nidulata, sp. nov., 1. 73 & pis. ii.-iii. 



porifera, sp. nov., 1. 75 & pis. ii., 



iv. 

 Pericosmus compressus, xliii. 423. 



gigas, xliii. 423. 



latus, xx. 487. 



Nelsoni, xliii. 423. 



Peridote, universal. & import, of, xxiii. 



pp. lxx, lxxi. 

 Peridotite group of rocks, xli. Proc. 67. 

 Peridotites, Tert., of Scotland, xli. 356- 



395 & pis. x.-xiii. ; Palaeoz., ibid., xli. 



395-411 & pis. x.-xiii.; of Red Hill 



& Olivine Ranges (N.Z.), xlvi. 623 



et seqq. w. chem. anal. & pi. xxiv. ; of 



Loch Garabal, xlviii. 107 et seqq. 

 Perigord *bone-caves, xx. 444 & (Part 2) 



19. 

 Perim I. (Gulf of Cambay), mammal, fr., 



i. 356-372 & pi. xiv. ; vertebr. remains 



in conglom. of, xxxvii. 204 ; Clemmys 



Watsoni fr., xlii. 540-541 & pi. xv. ; 



Hyotherium perimense fr., xliii. 19-23 



fig- 

 Period, Prestwich's def. of term, xxvii. 

 pp. lxix, lxx. 



