CONTENTS. VI i 



NUMBKR PAGE 



XV. On some Cretaceous Brachiopoda and Mollusca from Angola, Portu- 

 guese West Africa. By R. Bullen Newton, F.G.S., Geological 

 Department, British Museum. (With Two Plates), . . . 5G1 



XVI. Note on an Algal Limestone from Angola. By Mrs M. F. Romanes, 

 late Harkness Scholar, Newnham College, Cambridge. (With One 

 Plate),. . . . . . . .581 



XVII. On some Cretaceous Echinoidea from the Neighbourhood of Lobito Bay. 



By Professor J. W. Gregory, F.R.S., D.Sc, . . . .585 



XVIII. Contributions towards a Knowledge of the Anatomy of the Lower 

 Dicotyledons. I. The Anatomy of the Stem of the Papaveracex. 

 By R. J. Harvey-Gibson, D.L., M.A., Professor of Botany, University 

 of Liverpool ; and Minnie Bradley, M.Sc, Hartley Research Scholar, 

 University of Liverpool. (With Three Plates), . . . 589 



XIX. Apractocleidus teretipes : A new Oxfordian Plesiosaur in the Hun- 

 terian Museum, Glasgow University. By William R. Smellie, M.A., 

 B.Sc. (With One Plate), . . . . . .609 



XX. Tlie Anatomy and Affinity of Platyzoma microphyllum, R. Br. By 

 John M'Lean Thompson, M.A., B.Sc, Chief Assistant in Botany and 

 Robert Donaldson Research Scholar, Glasgow University. (With 

 Four Plates), . . . . . . .631 



XXI. On Leaf Architecture as illuminated by a Study of Pteridophyta. By 

 F. 0. Bower, D.Sc, F.R.S., Regius Professor of Botany in the 

 University of Glasgow. (With One Plate), .... 657 



XXII. Contributions to our Knoivledge of British Palseozoic Plants. Part I. 

 Fossil Plants from the Scottish Coal Measures. By Dr R. Kidston, 

 F.R.S. (With Three Plates), . . . . .709 



XXIII A Revision of the British Idoteidse, a Family of Marine Isopoda. By 

 Walter E. Collinge, D.Sc, F.L.S., etc., Research Fellow of the 

 University of St Andrews. (With Eleven Plates), . . . 721 



