— 532 - 



Glacial Bed in Bedforctehire. 479. — A. S. Foord : Discovery of a Cirri- 

 pede in Canadian Palaeozoic Kocks. 480. 



No. XI (No. 293). Xovember 1888. — H. B. Brady: Note on some 

 Silurian Lagenae (PI. XIII). 481. — Ch. Lapworth: On the Discovery of 

 tlie Olenellus-Fauna in the Lower Canibrian Bocks of Britain. 484. — A. H. 

 Foord : Xote on the Genns Actinoceras. 487. — W. J. McGee: Some De- 

 finitions in Dynamical Geology. 489. — A. S. Woodward: On the Creta- 

 ceons Selachian Genus Synechodus. 496; — Note on the Occurrence of a 

 Species of Onychodns in the Lower Old Bed Sandstone Passage Beds of Led- 

 bury, Herefordshire. 500. — E. Hüll : Note on Mr. D. C. Büssel's Paper 

 on the Jordan-Arahah and the Dead Sea. 502. — C. A. Baisix : On Some 

 Bock-Specimens froni Socotra. 504. — K. H. Traquair : Xotes on the Xomen- 

 clature of the Fishes of the Old Bed Sandstone of Great Britain. 507. — 

 C orresp o n dence : A. S. Woodward : Occurrence of a tooth of the Blue 

 Shark (Carcharias glaucus) in the Brick-Earth of Cragford, Kent. 



Xo. XII (Xo. 294). December 1889. — A. Vaughax Jexxixgs : Note 

 on the Orbitoidal Limestone of North Borneo (PI. XIV). — G. Lixdström : 

 On the Genus Ascoceras Barraxde. 532. — T. Büpert Joxes : Ostracoda 

 from the Weald Clav of the Isle of Wight. 534. — T. G. Bonney : The 

 Sculpture of Alpine Passes and Peaks. 540. — C. A. McMahox: On a 

 Mode of Irsing the Quartz Wedge for Estimating the Strength of the 

 Double-Befraction of Minerals in Thin Slices of Bock. 548. — A. Somer- 

 vail : On a remarkable Dyke in the Serpentine of the Lizard. 553. — 

 P. F. Kexdall : Preliminary Xotes on some Occurrences of Tachylyte in 

 Mull. 555. — Ch. Callaway: Xotes on the ..Monsian System- of Professor 

 Blake. 560. — C Davies Sherborx : A Plea for a Uniform System of 

 Abbreviation when quoting Scientific Periodicals. 573. — W. S. Gresley : 

 Cone-in-Cone Structure in a Coal-Seam. 574. 



Vol. VI. Xo. 1 (Xo. 295). Januar 1889. — B. H. Traquair: Homo- 

 steus, compared with Coccosteus (PI. 1). 1. — T. McKexxy Hughes: The 

 Lower Cambrian of Bethesda . X. Wales. 8. — A. Harker : Notes on the 

 Physics of Metamorphism. 15. — Ch. Lapworth: The Ballantrae Bocks 

 of the South of Scotland and their place in the Upland Sequence. I. 20. — 

 J. W. Gregory : On a new species of the Genus Protaster, from the Upper 

 Silurian. Victoria, Australia. 24. — B. H. Traquair : Note on the Genera 

 Tristychius and Ptychacanthus Ag. 27. — Correspondence: B. Ly- 

 dekker : Ichthyosaurus acutirostris, zetlandicus and longifrons. 44. — T. G. 

 Boxxey : The Serpentine of the Lizard. 44. — J. F. Blake : The Genus 

 Ascoceras. 44; — The Monsian System. 45. — Ch. Davisox: Uniformity 

 in Scientific Bibliography. 47. — 0. Fisher : The Beds of the London 

 Area, 48. 



Xo. 296. Februar 1889. — Ch. Bicketts : On some Physical Changes 

 in the Earth's Crust. I. 49. — M. Hutchlxgs: On altered igneous Bocks 

 of Tintagel. North Cornwall. 53. — Ch. Lapworth : The Ballantrae Bocks 

 of South Scotland and their place in the Upland Sequence. IL (Taf. III.) 

 59_ — x. Harker : Local Thickening of Dykes and Beds by Foldings. 69. 



