Cla 



82 



xxxvi. Proc. 55 ; constit. of, xxxvi. Proc. 

 66; Eed CI. of Aberdeen coast, xxxviii. 

 160-177 w. map & sections ; Blue do. 

 of Banff coast, xxxviii. 169. 

 Clay Hill (Newbury), sections descr., x. 



87 & pi. i. 

 ' Clay Bag ' in Fuller's Earth (Oolite), iv. 



187. 

 Clay-bands in Chalk, orig. of, xxxi. 112. 

 Cla}'- bed, altered, in Tideswell Dale, xxvi. 



701-704 fig. 

 Clay-galls in Beading Beds, xxxi. 453,457. 

 Clay-ironstone, orig. of, xxix. 363-369. 

 Clay-slate of Falkland Is., ii. 269 et seqq. 

 w. section ; of Bute, xix. 182 ; of Loch 

 Long & other districts in S. Grampians, 

 xix. 182 et seqq. ; relat. of same to 

 mica-schists, xix. 197; of Loch Creran, 

 xix. 202; of Penzance district, xxxii. 

 168 ; Huron., microsc. study of, xxxv. 

 156-164. 

 ' Clay-veins' & slickensides, xvi. 423. 

 Clay-with -flints in Wilts, etc., xviii. 265 ; 

 orig. of, xxi. 455, xxii. 4 6, 407, xxxiv. 

 453, 456 ; on Blackdown & Haldon Hills, 

 xxxiv. 449. 

 Clavhanger (Somerset), section to Whit- 

 field, xxiii. 593. 

 Claypole, E. W., PLelicopora, new Spiral 

 Genus of N. Americ. Fenestellidas, xxxix. 

 30-38 & pi. iv. 



, Pteraspidian Fishes in Upper 



Silur. of N. America, xli. 48-63 figs. 



■ , Struct, of Americ. Pteraspid. 



Palceaspis, w. Bemarks on Family, 

 xlviii. 542-561 figs. 

 Claystone-dykes of E. Lammermuirs, vi. 



420. 

 Claystone-porphyry of High Pike, xix. 



125. 

 Claythorpe (Lines), Drift at, xlix. 477. 

 Clayton (Sussex), Squatina Cranei fr. Lr. 



Chalk of, xliv. 144 & pi. vii. 

 Clayton (Yorks), Stigmaria Jtcoides fr., 



xliv. 375-377 fig. 

 Clea truncata, xxxii. 524 & pi. xxix. 

 Clear, Cape (Cork), Palseoz. anticl. of, xxii. 



340. 

 Cleavage, slaty, iii. 74-105, viii. 129, 

 x. p. lxxiii, xxxvi. 72, 73 figs. ; *Hop- 

 kinson on, iv. p. cxviii, v. pp. lxxv-lxxvi ; 

 in relat. to foliation, xi. p. xlix et seqq., 

 167 et seqq. ; its bearg. on areas of elev., 

 xii. 45 ; slaty, in Dumfries Silur., xii. 

 241 ; orig. of, xii. 347 ; shown in Mt. 

 Lacha, xii. 385 ; slaty, in Devon limest., 

 xii. p. cxi ; *Sharpe's views on, xiii. 

 p. lxii; *Sorby's do., xiv. p. exxvii ; 

 theories of, xiv. p. exxx, xv. p. xxxvi ; 

 occas. by mutual friction of movg. 

 particles, xv. 84-86 ; cl. & jointing in 

 Devonian of Co. Cork, relat. age of, xv. 

 97 ; slaty, in Easdale & Oban, xv. 113, 

 xvii. 213 ; in green slates of Lake 

 District, xxxvi. Proc. 76. 

 Cleavage-foliation, in mica-schists, xix. 404, 

 405, xxxvi. Proc. 89 ; its causes, xxxviii. 



291 ; Alpine, age of, xlii. Proc. 107 ; 



generally, xlii. Proc. 64, 65 ; impr. on 



rocks already foliated, xliii. 310. 

 Cleavage-planes & bedding-pl. comp., in 



N. Wales, ii. 309-310, 315-316; cl.-pl., 



strike of, iii. 134, 141 ; in crystall. rocks 



of Andes, vi. 364; in rocks of Col du 



Bonhomme, etc., xi. 19 et seqq. ; in High- 

 land ciwstalline rocks, xvii. 234: et seqq. ; 



in Donegal granite, xviii. 404, 405 ; in 



slates of S. Grampians, xix. 192 ; in 



crystals, xliii. Proc. 70. 

 ' Cledge' (=loam w. flints), ix. 290, x. 234 



et seqq. 

 Clee Hills (Shropshire), Carb. Limest. of 



xviii. 94-102. 

 Cleeve Bank (Worcester), ii. 31. 

 Cleeve Hill (Gloucester), ' Boiling-Bank 



Quarry,' xvi. 18; section, descr., xlvii. 



556. 

 Cleghoen, J., Till nr. Wick (Caithness), 



vi. 385-386. 

 , Till of Caithness [abs.], vii. 



200-201. 

 , Bock-basins of Dartmoor, xiii. 



231-233. 

 Clegyr Hill (Pembroke), agglom. of, xxxix. 



285. 

 Cleidophorus (?) sp. (Budleigh Salter- 



ton), xxx. 47 & pi. vi. 

 Cleithrolepis JExtoni, sp. nov., xliv. 141 & 



pi. vi. 

 granulatus, gen. & sp. nov., xx. 3 & 



pi. i. 

 Cleland Hill (Barbados), silic. limest. fr. 



base of, xlviii. 175 ; Oceanic Series at, 



xlviii. 211. 

 Clematograptus. gen. nov., xxxi. 652. 

 implicatus, sp. nov., xxxi. 652 & 



pi. xxxiv. 

 Clemmys Watsoni, sp. nov., xlii. 540-541 



& pi. xv. 

 Clent Hill (Staffs), section in Perm, at, 



xi. 190 ; overshot boulders around, xxxv. 



445 ; Perm, breccias of, 1. 464, 466. 

 Clerk, G., obituary of, xxiv. p. xxxvii. 

 Clermont-Oise (France), section descr., xi. 



245. 

 Clevedon (Somerset), section to Bristol 



Channel, ix. 285 ; gravel on summit of 



Cl. Down, ix. 284; Carb. Limest. etc 



of, xxxvii. 78; Lower, well-section at, 



xxiv. 283. 

 Cleveland, — , obituary of, xvi. p. xxix. 

 Cleveland, Cocktield, & Armathwaite dyke, 



expos, of, xl. 209 ; petrol, of, xl. 213 ; 



chem. anal., xl. 224; action of HC1 on 



rock of, xl. 224; gen. relat. of rock, 



xl. 226. 

 Cleveland iron-ore fr. Eston, chem. anal. 



of, xii. 357 ; ironstone format., descr. 



sections, xiv. 96 ; struct, of, xxxv. Proc. 



84. 

 Clewett's Green (Hants), Lond. Clay foss. 



at, iii. 370. 

 Clicker Tor (Cornwall), altered dolerite of, 



xxxii. 422. 



