Col 



Coldbrook Group (Huronian) in S. New 

 Brunswick, xxi. 424. 



Coldwell Beds (Middle & Upper), lists of 

 foss., xxxiv. 882 ; (do. & Lr.) = Denbigh 

 Grits & Flags, xxxvi. 283; equiv. in 

 Bohemia, xxxvi. 604, 605 ; metamorph., 

 in Shap Granite area, xlvii. 320 et 

 seqq. 



Cole, G. A. J. (& J. W. Judd), Basalt- 

 glass (Tachylyte) of Western Is. of Scot- 

 land, xxxix. 44-4-464 & pis. xiii.-xiv 

 (microsc. sections). 



, Hollow Spherulites, & their 



Occurr. in Ancient British Lavas, xli. 

 162-168 & pi. iv (microsc. sections). 



— ■ , Alterat. of Coarsely Spherulitic 



Rocks, xlii. 183-190 & pi. ix (microsc. 

 sections). 



, Gravel of Ardtun, xliii. 276- 



278. 



• , Addit. Occurr. of Tachylyte, 



xliv. 300-307 & pi. xi (microsc. sec- 

 tions). 



(& A. V. Jenntngs), N. Slopes 



of Cader Idris, xlv. 422-438 figs. 



(& J. W. Gregory), Variolitic 



Rocks of Mt. Genevre, xlvi. 295-332 figs. 

 & pi. xiii (microsc. sections). 



(& G. W. Butler), Litho- 



physes in Obsidian of Rocche Rosse 

 (Lipari), xlviii. 438-445 & pi. xii (mi- 

 crosc. sections). 



■ , Murchison Fund Award to, xlv. 



Proe. 33. 



Cole's Cave (Barbados), foram. muds 

 of, xlviii. 215. 



Coleoptera fr. Lexden brick-pit, xix. 400 ; 

 in Antrim plant-bed, xxv. 359 & pi. 

 xiv. ; in plant-bed of Rocky River, 

 xxvi. 263 & pi. xviii. ; fr. Stonesfield 

 Slate, x. 379 & pi. xiv. ; fr. Purbecks of 

 Dorset, x. 382 et seqq. ; fr. Eoc. of Corfe, 

 x. 381. 



Coles, H., Skin of Ichthyosaurus, ix. 

 79-81 & pi. v. _ 



Colesberg (S. Africa), Dicynodon Murrayi 

 fr., xv. 555, 649. 



Colesberg Kopje (S. Africa), section to 

 Port Nolloth, xxx. 58 ; diamantif. rock 

 fr., xxx. 412. 



Coley Hill (Berks), Woolwich & Reading 

 Beds at, xxxi. 451-457 & pi. xxii. (plan 

 & sections). 



Colin Glen (Antrim), sections descr., xx. 

 105, xxi. 25, xxiii. 299 ; White Lias at, 

 xx. 108 ; Lr. Lias at, xx. 109. 



Collaster (Shetland), percent, of var. stones 

 in Boulder Clay of, xxxv. 795. 



Collector of subscr. dispensed with, xxviii. 

 p. ii. 



Collegno, — de, # S 'ratified Rocks of 

 Lombardic Alps, i. 115-119. 



Colley Creek (N. S. W.), brown cannel of, 

 xxii. 435-438, 440. 



Collier, C, obituary of, xxvii. p. xxxiii. 



Collieston (Aberdeen), section in drift, xiv. 

 515 ; section nr., descr., xxxviii. 159 ; 

 shelly gravels of, xxxviii. 147. 



Collieston Sand, name prop., xxxviii. 

 153. 



Collingwood, C, Sulphur Springs of 

 N. Formosa, xxiii. 382-384. 



, Geol. Feats, of N. Formosa & 



Adjacent Is., xxiv. 94-98. 



■, Sources of Coal in E. Hemi- 

 sphere (Formosa, Labuan, Siberia, & 

 Japan), xxiv. 98-102. 



Collins, J. H., Serpentine & Assoc. Rocks 

 of Porthalla Cove, xl. 458-471 figs. 



, Geol. of Rio Tinto Mines, w. 



Remarks ou Pyritic Region of Sierra 

 Morena, xli. 245-265 figs. & pi. vi (map 

 & section). 



, Sudbury Copper Deposits (Ca- 

 nada), xliv. 834-838 figs. 



, Geol. Notes on Bridgewater 



District, E. Ontario [abs.],xlix. Proc. 6. 



Colloid silica in Lr. Chalk of Berks & Wilts, 

 xlv. 403-421 w. chem. anal. 



Colloidal action of silica, xxxvi. 88 et 

 seqq. 



Collyhurst (Lanes), section, ii. 20. 



Colly weston (Northants), sections in slate- 

 quarries, w. lists of foss., xxix. 243. 



Collyweston Slate, its uses in building, 

 xxix. 247; at base of Lines Limest., 

 xxxviii. Proc. 94; distrib. & numer. 

 anal, of fauna, xxxviii. Proc. 97 et 

 seqq. 



Colne Valley (Essex), raised beach in, 

 i. 341. 



Colney Hatch (London), well -section at 

 asylum, x. 150. 



Colo River (N. S. W.), cannel-drift of, xxii. 

 446. 



Colonial geology, criticism of papers publ. 

 in 1870, xxvii. p. xxxix. 



' Colonie Cotta ' (Bohemia), xxxvi. 611. 



' Colonie d'Archiac ' (Bohemia), xxxvi. 

 611. 



' Colonie Haidinger ' (Bohemia), xxxvi. 

 616. 



'Colonie Krejci' (Bohemia), xxxvi. 614. 



' Colonies,' Barrande's theory discussed, x. 

 , p. xxxiv, xv. 291 ; do. admitted, xxvi. 

 p. xliv ; *Barrande's defence of, xxii. 

 pp. liii et seqq. (Part 2) 1-6 ; in 

 Tertiary strata, xxvii. pp. lxvii-lxviii ; 

 in pre-Devon. of Bohemia, xxxvi. 605. 



Colossochelys Atlas, xxi. 384. 



Colouring-matter of red sandst., etc., v. 

 25-30 ; in varieg. strata, xxiii. 114, 

 xxiv. 351-400 figs. & pis. xi.-xv. ; red 

 & purple, of Carb. rocks, xxv. 295, 296 ; 

 of Triass. & pre-Triass. rocks, xxvii. 190, 

 241 ; colour of Till due to rocks over 

 wh. it has been pushed, xxviii. 484. 



Colsterworth (Lines), section nr., descr., 

 ix. 328. 



Coltishall (Norfolk), section, & list of Crag 

 foss., xxvii. 459. 



Coluber, vertebra of, xiii. 197 & pi. iv. 



Columbella ambigua, sp. nov., xxii. 288 & 

 pi. xvi. 



■ gradata, sp. nov., xxii. 238 & pi. 



xvi. 



