606 



GEJfEEAL rS-DEX. 



zoological position of the genus, 



529. 

 MicrocJuBrus erinaceus, 529. 

 Micropora patida, 290. 



perforata, 290. 



Microporello. elevata, 296. 



grisea, 294. 



magna, 295. 



magnirostris, 296. 



pocilUformis, 295. 



Microsolena excelsa. 188. 

 Middletown Hill, section across, 5.35 ; 



section from, to Purton Wood, 5.37. 

 Milton, section in Groves' s quarry near, 



171. 

 Minerals composing the peridotites 



and allied rocks in the Western 



Islands. 362. 



of Xew Zealand, 219. 



, constituent, of picrites, 520. 



and metals of the Lvdenburg and 



De Kaap goldfields, 588. 

 Moel-y-Golfa, igneous rocks of, 539. 

 Moldauthein. in Bohemia, Bouteillen- 



stein of, 152. 

 Monoporella sexangularis, 291. 

 Mont Blanc, fulgurite from, 152. 

 Montgomeryshire, East, the igneous 



and associated rocks of the Breidden 



HiUs m, 532. 

 Montlivaltia, 182. 

 Moorhey brick and tile works, section 



at, 455. 

 Morgan, Prof. C. L., on the S.W. ex- 

 tension of the CKfton fault, 146. 

 Motunau Creek, section across the 



south branch of the, 270. 

 Mount Arthur series, 199. 



Brown, section through, 209. 



Hamilton, section through, 



203. 



Torlesse formation, 201, 203. 



MucroneUa mucronata, 293. 



nitida, 293. 



coccinea, var. mamillata, 294, 



Mull, Ardtun leaf-bed, 92. 

 Murchison Geological Fund, award of 



the, to Mr. H. B. Woodward, Proc. 



32. 

 . Medal, award of the, to Dr. F. 



Eomer, Proc. 31. 



JSeoplagiav.lax , comparison of teeth of, 



with those of Tritylodxm, 28. 



' eoccsnus, molar teeth of, 28. 



IS'ew Zealand, Capt. F. W. Hutton on 



the geology of, 191. 

 • , on the geological position 



of the "Weka-pass stone" of, 266. 

 -, correlations of the " Cn- 



riosity-Shop bed," 547. 



Xew Zealand, raised beaches in, 212 ; 

 section from the west coast of, to 

 Tasman's Bay, 200 ; table of sedi- 

 mentary formations in, 194. 



!Xiagara group, fossils of, compared 

 with those of the Wenlock lime- 

 stone, 57. 



Xorth America and England, correla- 

 tion of fish -bearing strata in, 59. 



and Briton, correlation of 



Silurians of. 57. 



Xorth Island of Xew Zealand, 196. 



Xorth Wales coal-field, Mr. D. 0. 

 Daries on the, Proc. 107. 



Oamarii, list of Ototara fossils from, 



556. 

 svstem, 206 ; eruptive rocks of 



the, 215. 

 Obsidian with hollow spheruHtes from 



Bearer Lake, 164, 165; from Ice- 

 land, 166. 

 Olivine in palaeozoic peridotites, 397. 

 Olivine -rock, intersecting veins of 



gabbro and dimite in. 350. 

 Olivines of the Hebridean gabbros, 



373 ; analysis of, 374. 

 Onchus cli?itoni, 61. 



2)e7'( nsylvanicus, 61 . 



Onondaga Eed Shale, traces of fish 



in the. 58. 

 OoHtic Trigoniae, 37. 

 Ophitic structure of dolerites, 360. 

 Oreti river, section from the, to the 



Takitimii mountains, 203. 

 Ormond series, 211. 

 Oroseris Slatteri. 187. 

 Ostracoda of thePurbeckand Wealden, 



311. 

 Ovibos moschatv.s, 242, 

 Owen, Sir Eichard, on remains of 



Hephas primigenius from one of 



the Creswell bone-caves, 31. 

 , on the resemblance of the upper 



molar teeth of an Eocene mammal 



{Iseoplagiaulax, Lemoine) to those 



of Tritylodon, 28. 

 Oxford clay, occurrence of, in deep 



well-boring at Chatham, 526. 

 Oxfordshire, Madreporaria from the 



Great Oolite of, 170. 

 , Xorth, ^li. E. A. Walford on 



the TrigonicB of the Lower and 



l^Iiddle Jurassic beds of, 35. 



Paignton Bay, map of, 11. 

 Palceaspis, 54, 56, 62. 



americana, 62. 



hitrv.nca.ta, 62. 



Palaeozoic rocks, Lower, of the neigh- 

 bourhood of Haverfordwest, 476. 



