CONTENTS OF PART I. 



I. ON SPLACHNIDIUM RUGOSUM GREV., THE TYPE OF A 

 NEW ORDER OF ALG^E. By MARGARET O. MITCHELL, former 

 Bathurst Student, Newnham College, Cambridge, and FRANCES G. 

 WHITTING, former Student of Newnham College, Cambridge. 



II. ON A FOSSIL ALGA BELONGING TO THE GENUS CAU- 

 LERPA, FROM THE OOLITE. By THE EDITOR. 



III. ON THE STRUCTURE OF DICTYOSPH^ERIA DECNE. By 

 THE EDITOR. 



IV. ON MALFORMATIONS OF ASCOPHYLLUM AND DESMA- 

 RESTIA. By ETHEL SAREL BARTON. 



V. ON CONCHOCELIS, A NEW GENUS OF PERFORATING 

 By E. A. L. BATTERS, B.A., LL.B., F.L.S. 



PRICE 7 s. 6d. 



CONTENTS OF PART II. 



VI. NOTES ON THE MORPHOLOGY OF THE FUCACE&: 

 COCCOPHORA LANGSDORFII GREV. By A. LORRAIN SMITH. 



SEIROCOCCUS AXILLARIS GREV. By A. LORRAIN SMITH. 

 XIPHOPHORA BILLARDIERII MONT. By E. S. BARTON. 

 NOTHEIA ANOMALA BAIL, and HARV. By M. O. MITCHELL. 

 SARCOPHYCUS POTATORUM KUTZ. By F. G. WHITTING. 



VII. ON CHLOROCYSTIS SARCOPHYCI, A NEW ENDOPHYTIC 

 ALGA. By F. G. WHITTING. 



VIII. ON HALICYSTIS AND VALONIA. By THE EDITOR. 



IX. ON THE STRUCTURE OF HYDROCLATHRUS BORY. By 

 M. O. MITCHELL. 



X. ON THE CRYPTOSTOMATA OF ADENOCYSTIS, ALARIA 

 AND SACCORHIZA. By THE EDITOR. 



XL A COMPARISON OF THE MARINE FLORAS OF THE WARM 

 ATLANTIC, INDIAN OCEAN, AND THE CAPE OF GOOD 

 HOPE. By THE EDITOR. 



PRICE 73. 6d. 



