INDEX TO THE PROCEEDINGS. 



Obersee, characters of the, 383. 



Odontopteryx toliapicns, a dentigerous 

 bird from the London Clay of 

 Sheppey, Prof. Owen on the skull 

 of, 511. 



Offa, a new genus of Cypridinidse, 409. 



Oolitic beds in Skye, 323, 324, 325, 

 326, 329, 330, 331, 332, 333; of 

 Eaasay, 335,£336 ; of Skye and Baa- 

 say, fossils from the, 345. 



Oolite of North-eastern Scotland, 157. 



Oolite Sands and Cephalopoda-bed of 

 Dorset and part of Somerset, Mr. 

 James Buckman on the, 504. 



Oolites of Northamptonshire, Mr. S. 

 Sharp on the, 225. 



Oligocene formations of New Zealand, 

 375. 



Old, Lincolnshire limestone near, 230. 



Ornatus-clays section of, on the River 

 Brora, 119. 



Ord, Brecciated beds of the, 187 ; fos- 

 sils from the matrix of the, 190. 



Orthoceras, sp., 51. 



Ototara group of New Zealand, 376. 



Oundle, Oolites of, 280. 



Outer Hebrides, Mr. James Geikie on 

 the glacial phenomena of the, 532. 



Overton, surface-boulders near, 355. 



Owen, Prof. E., description of the 

 skull of a dentigerous bird ( Odon- 

 topteryx toliapicns, Owen) from the 

 London Clay of Sheppey, 511. 



Oxford Clay of Skye, fossils from the, 

 347. 



Oxfordian fossils from transported 

 blocks in Elginshire, 177. 



Pabba, Middle Lias fossils from, 340. 

 Palcearca Hopkinsoni, 48. 



oboloidea, 48. 



Palreocoryne, Prof. P. Martin Duncan 



on the genus, and its affinities, 412. 

 PalcBOCoryne radiata, 417. 



scotica, 417. 



Palaeontology of Skye and Eaasay, Mr. 



E. Tate on the, 339. 

 Palceospinax prisons and Platysiagiim, 



sclerocephakcm, Sir P. Grey Egerton 



on, 419. 

 Palasozoic flora of North America, Dr. 



J. W. Dawson on the relations of 



the supposed Carboniferous plants 



of Bear Island with the, 24. 

 Palasterina ramseyensis, 51. 

 Palestine, eastern, lakes of, 395, note. 

 Palndina scotica, 349. 

 Pamzalan, fan cut into by a river, 



with secondary fan, near, 453 ; united 



fans near, 449. 



Permian beds of Benburb, 405. 

 Permian breccias and boulder-beds of 

 Armagh, Prof. E. Hull on the, 402. 

 Persia, Central, Mr. W. T. Blanford 

 on the nature and probable origin 

 of the superficial deposits in the 

 valleys and deserts of, 493. 



, physical geography and rainfall 



of, 494. 

 , Mr. A. H. Schindler on the geo- 

 logy of Kazirun, 381. 

 , upheaval of and change of cli- 

 mate in, 500. 

 Philomedes, 411. 



Phosphatic nodules of the Cretaceous 

 rock of Cambridgeshire, the Eev. O. 

 Fisher on the, 52. 



Physical relations of the secondary 

 rocks on the east coast of Scotland, 

 107. 



Pilsgate, Oolites of, 269. 



Plains, desert, of Persia, 495. 



Plan of the reefs of Secondary rocks on 

 the shores of Easter Eoss, 124; of 

 the reefs of Upper Oolite in Eathie 

 Bay, near Cromarty, 126. 



Plants, supposed Carboniferous of Bear 

 Island, Dr. J. W. Dawson on the 

 relations of. with the Paheozoic 

 flora of North America, 24. 



Platysiagum sclerocephalum and 

 Palceospinax priscus, Sir P. Grey 

 Egerton on, 419. 



Pleistocene formations of New Zea- 

 land, 372. 



Pliocene formations of New Zealand, 

 373. 



Polycantha, 79. 



Poly cope, 411. 



Ponton, Oolites of, 264. 



Port-an-Eigh, fossils from the Coral- 

 line Oolite of, 176 ; section across 

 Secondary reefs at, 125. 



Port Gower, Sutherlandshire, section 

 at Allt-Gartymore near, 133 ; upper 

 Oolitic fossils from, 182. 



Portree Harbour, section of Jurassic 

 rocks at Tauna point in, 322. 



Portsmouth, Mr. H. Woodward on 

 Eocene Crustacea from, 25. 



Potamomya robusta, 350. 



Prince Arthur's Landing, section from, 

 to Lake Shabendowan, 21. 



Prince Charles's Cave, section of 

 Jurassic deposits at, 325, 326. 



Punfield, Mr. C. J. A. Meyer on the 

 section at, 70. 



Queensland, Mr. T. F. Gregory on tin 

 discoveries in, 1. 



