786 



GENERAL INDEX. 



[Nov. 1899, 



Ophiocistia, ord. nov., 692, 700. 



Ophiolite (altered liinest.) of Bally- 

 douane Bay, 738-739. 



Ophitic diabase of Northern Jersey, 

 see Diabase. 



Ophiuroidea, Silur., in Oxf. Univ. 

 Mus., 692-715 figs. 



Ordovician in N. Anglesey, 638, 

 672-673 fig.; relat. of same to 

 Green Series ihid., 638-667 figs.; 

 do. to Northern Cova^\exibid., 673- 

 674 ; microsc. char, of Ord. rocks 

 ibid., 676-677 ; Ord. of Waterford 

 coast, 718-772 figs. & pi. xlix (foss.). 



Ormara (Makran coast), Mioc. Car- 

 dium (?) from, vi. 



Ormerod, H. M., obituary of, Ixvi. 



Orogenic movements, see Earth-move- 

 ments. 



Orthis argentea, 760. 



Bailyana, Monian (?) age of, 



discussed, 638-639, 640, 678. 



Carausii regarded as a dwarf 



var. of 0. calligramma, 641. 



(Orthisina ?) crispa, 760-761. 



Orthisina of. squamata, 760. 



Orthoclases in Jersey granite, etc., 

 433, 435, 436 fig. 



Osborne Beds, Amia from, 2, 4, 5, 7, 8. 



Otterburn Valley (Yorks), limest.- 

 knolls of, 340 ; pseudostromatism (?) 

 in limest. of, 341 fig.; folded & 

 broken limest. of, 345 figs. 



Overthrusts of Cherz Hill, 584; 

 oblique faultg. across same, 585 ; 

 - overthr. in Pieve area, 587; peri- 

 pheral, of Sella, at Griiner Fleck, 

 etc., 593-596, 601 ; N. & S. fold- 

 arcs in same, 602-604 ; overthr. of 

 Pordoi Pass, 596 ; torsion of same 

 at Bova Alp, 599 ; peripheral, round 

 S. & W. of Sett Sass, 617, 618. 



Oxford Univ. Museum, Silur. echinoid. 

 & ophiuroid. in, 692-715 figs, 



PalcBodiscus ferox, 701-705 figs. 

 Palaeolithic implemts. etc. fr. Thames 



Valley Drift in London, xlii. 

 Palaeozoic radiolar. rocks of N.S.W., 



16-37 & pis. ii-vii ; absence of 



Palseoz. in Moroccan Atlas, Nile 



Valley, etc., 213 ; Lr. Palseoz. 



strata of Co. Waterford, 718-772 



figs. & pi. xlix (foss.). 

 Pap'pichthys, see Amia. 

 Park, J., on Ehyolites of Hauraki 



Goldfields, 449-451 & pi. xxxi 



(map). 

 Parkinson, J., on Intrus. of Granite 



into Diabase at Sorel Point, 430-447 



figs.& pis. xxix-xxx (microsc. sects.). 



Parsenn-Furka Pass (Davos), sect. E. 



of, 407. 

 Partnach Schiefer of Davos district, 



389. 

 Peach, B. N., Murchison Medal 



awarded to, xliii ; quoted, 642, 



647. 

 Pebbles, of Middle Perm, conglom., 



composit. of, 118-123 & tables iii- 



iv ; striation of, non -glacial, 11-15, 



128 ; pebbles of schorl-rock in Drifts 



of S. & E. Engl., 220-223. 

 Pegmatites, red, in Ben Cruachan 



area, 485. 

 Pendleside Limestone, correl. of, 350, 



362. 

 Pendock's Grove (Malverns), geol. 



struct, of district, 157-160. 

 Penrhyn (Anglesey), coast-sect, at, 



660 ; rock-face, showg. relics of 



stratif. in crush-conglom., 662 fig. 

 Penrhyn -Fadog (Anglesey), variolit. 



serpentine near, 283 ; diallage-rock 



& enstatite-rock near, 290, 291 ; 



actinolite-rocks near, 292, 295. 

 Penterfyn (Anglesey), tficranograptus- 



beds of, 640, 672. 

 Pentou Linns (Dumfries), Ctenodonta 



pentonensis, sp. nov. from, 368-370 



& pi. XXV. 



Peri- Adriatic torsion-curves, 631-632 



w. map. 

 Perlitic cracks in quartz, Waikino 



rhyolite, 461 & pi. xxxiii (microsc. 



sect.) ; perlit. struct, in Waterford 



felsites, 721, 763, 764. 

 Permeable rocks, to be avoided in 



reservoir-sites, Ixxi. 

 Permian conglomerates of Lr. Severn 



Basin, 97-128 w. tables i-iii & 



pis. xi-xii (maps). 

 Permo-Oarboniferous rocks in Spits- 

 bergen, 688, 689. 

 Permo-Triassic age of movemts. wh. 



prod, limest .- knolls of Craven 



district, etc., 354. 

 Perry Hill (Staffs), Perm, breccia of, 



117. 

 Pescosta-Corvara Fault (S. Tyrol), 



573-574. 

 Fhacops Bailyi, 750. 



Brongniarti, 749. 



Jamesii, 749. 



truncato-caudatus, 750. 



Philley Brook (Shropshire), Perm. 



near, table i, facg. 108. 

 Phillips, J. St. J., quoted, 273. 

 Phosphatic nodules, in Lias nr. 



Eugby, 68. 

 Phyllites of Ardrishaig Series, 473 ; 



progressive metamorphism of same, 



