IV. CONTENTS. 



Eeport upon the Nemertines found in the neighbour- 

 hood of Port Erin, Isle of Man. By J. Heney 

 Vanstone and W. I. Beaumont . . . 135 



Supplementary Eeport upon the Hydroid Zoophytes 

 of the L.M.B.C. District. By Miss Laura 

 Boscoe Thornely ...... 140 



Note on the Diagnostic Characters of the Subgenera 

 and Species o'f Selaginella, Spr. By Professor 

 E. J. Harvey Gibson, M.A., F.L.S., F.E.S.E. 148 



Letter of the late Professor Edward Forbes on the 

 Marine Zoology of the Irish Sea. (Communi- 

 cated by Prof. Herdman) ..... 156 



The Excavation of the Neolithic Stone Circle near 

 Port Erin, Isle of Man. By Professor W. 

 A. Herdman, D.Sc., F.E.S. ; and P. M. C. 

 Kermode, F.S.A. Scot. .... 159 



Eevision of the Generic Nomenclature and Classifi- 

 cation in Bowerbank's "British Spongiadse." 

 By E. Hanitsch, Ph.D. . . . .173 



Observations on the Vitality and Germination of 



Seeds. By A. J. Ewart, B.Sc. . . .207 



