22 Scientific Works published by Longmans, Green, & Co. 



WORKS BY RICHARD A. PROCTOR Continued. 



NEW STAR ATLAS FOR THE LIBRARY, the School, and the 



Observatory, in Twelve Circular Maps (with Two Index-Plates). With an Introduction 

 on the Study of the Stars. Illustrated by 9 Diagrams. Crown 8vo. , 55. 



THE SOUTHERN SKIES : a Plain and Easy Guide to the Con- 

 stellations of the Southern Hemisphere. Showing in 12 Maps the position of the 

 principal Star-Groups night after night throughout the year. With an Introduction 

 and a separate Explanation of each Map. True for every Year. 4to. , ss. 



HALF-HOURS WITH THE STARS : a Plain and Easy Guide to the 

 Knowledge of the Constellations. Showing in 12 Maps the position of the principal 

 Star-Groups night after night throughout the year. With Introduction and a separate 

 Explanation of each Map. True for every Year. 410., y. net. 



LARGER STAR ATLAS FOR OBSERVERS AND STUDENTS. 



In Twelve Circular Maps, showing 6coo Stars, 1500 Double Stars, Nebulae, etc. With 

 2 Index-Plates. Folio, i&r. 



THE STARS IN THEIR SEASONS : an Easy Guide to a Knowledge 



of the Star-Groups. In 12 Large Maps. Imperial 8vo., 55. 



ROUGH WAYS MADE SMOOTH. Familiar Essays on Scientific 



Subjects. Crown 8vo., y. 6d. 



PLEASANT WAYS IN SCIENCE. Crown 8vo. 5 3*. 6d. 



NATURE STUDIES. By R. A. PROCTOR, GRANT ALLEN, A. WILSON, 



T. FOSTER, and E. CL.ODD. Crown 8vo., 3?. 6d. 

 LEISURE READINGS. By R. A. PROCTOR, E. CLODD, A WILSON, 



T. FOSTER, and A. C. RANYARD. Crown 8vo., y. 6d. 



PHYSIOGRAPHY AND GEOLOGY. 



BIRD. Works by CHARLES BIRD, B.A. 



ELEMENTARY GEOLOGY. With Geological Map of the British 



Isles, and 247 Illustrations. Crown 8vo., vs. 6d. 

 ADVANCED GEOLOGY. A Manual for Students in Advanced 



Classes and for General Readers. With over 300 Illustrations, a Geological Map of 



the British Isles (coloured), and a set of Questions for Examination. Crown 8vo., 



7s. 6d. 



GREEN. PHYSICAL GEOLOGY FOR STUDENTS AND GENE- 

 RAL READERS. By A. H. GREEN, M.A., F.G.S. With 236 Illustrations. 8vo., 



2IJ. 



MORGAN. Works by ALEX. MORGAN, M.A., D.Sc., F.R.S.E. 

 ELEMENTARY PHYSIOGRAPHY. Treated Experimentally. With 



4 Maps and 243 Diagrams. Crown 8vo., zs. 6d. 

 ADVANCED PHYSIOGRAPHY. With 215 Illustrations. Crown 



8vo., ^s, 6d. 



READE.TY& EVOLUTION OF EARTH STRUCTURE: With 

 a Theory of Geomorphic Changes. By T. MELLARD READE, F.G.S., F.R.I.B.A., 

 A.M.I.C.E., etc. With 41 Plates. 8vo., 21^. net. 



ROGERS. AN INTRODUCTION TO THE GEOLOGY OF CAPE 



COLONY. By A. W. ROGERS, M.A., F.G.S. , Director of the Geological Survey 

 of Cape Colony. With a Chapter on the Fossil Reptiles of the Karroo Formation by 

 R. BROOM, M.D., B.Sc., C.M.Z.S. Crown 8vo., 9*. net. 



