CONTENTS. 



SECTION B -BIOLOGICAL, GEOLOGICAL, AND CHEMICAL 



SCIENCE. 



PAGE 



Algae (Joseph) : — 



See under Ryan (Hugh). 

 Devine (Annie) : — 



See under Ryan (Hugh). 

 Dunlba (J. M.) :— 



See under Ryan (Hugh). 

 Haigh (W. D.), B.A., B.Sc. :— 



The Carboniferous Volcanoes of Philipstown in King's County, . 17 

 ^Holtby (John R. D.), M.B., B.S. :— 



A Note on some Human Bones from an Ancient Burial Ground in 



Dublin, 34 



.Lett (Henry William), M.A. : — 



Census Report on the Mosses of Ireland, ..... 65 



O'Neill (Pauline), B.Sc. : — 



See under Ryan (Hugh). 

 Plunkett (Geraldine) : — 



See under Ryan (Hugh). 

 J^yan (Hugh), D.Sc, and Joseph Algak, M.Sc. : — 



i^X)n Unsaturated /3-diketones. — II., ... ... 9 



/Studies in the Difiavone Group. — III. Derivatives of Dicoumaranone 



and of Diflavanone, ........ 185 



Rjf&N (Hugh), D.Sc, and Annie Devine, B.A., M.Sc. : — 



On the Condensation of Aldehydes with Ketones. — II. Aldehydes 



with Methylethylketone, 208 



Rjan (Hugh), D.Sc, and J. M. Dunlea, M.Sc. :— 



,/On Unsaturated /3-diketones. — I., ....... 1 



^J&n the Condensation of Aldehydes with /3-diketones, ... 57 

 JJyan (Hugh), D.Sc, and Pauline O'Neill, B.Sc. : — 



studies in the Difiavone Group. — I. Difiavone, .... 48 



(^Studies in the Difiavone Group. — II. Derivatives of Diflavanone, . 167 

 .Ryan (Hugh), D.Sc, and Geraldine Plunkett: — ■ 



On Unsaturated /3-diketones. — III., ...... 199 



I#an (Hugh), D.Sc, and Michael J. Walsh, M.Sc, :— 



i Studies in the Difiavone Group. — IV. On Diveratrylidene-Deeou- 



maranone, .......... 193 



Walsh (Michael J.), M.Sc : — 

 See under Ryan (Hugh). 



