iv Contributors. 



David M'ArdIvE, Royal Botanic Gardens, Glasnevin. 



E.J. M'Weeney, M.A., M.D., 15, Ely-place, Dublin. 



C. B. Moffat, Ballyhyland, Co. Wexford. 



A. G. More, f.r.s.E , f.i. s, 74, Leinster-road, Rathmines, Dublin. 



George a. MUvSGRAVE, f.r.g.s., f.z s., Bournemouth. 



Francis Neai^e, 35, Catherine-street, Limerick. 



A. R. N1CH01.S, B.A., M.R.I. A., Science and Art Museum, Dublin. 



John H. O'ConneIvI., Kilkenny. 



Robert Patterson, m.b.o.u., Belfast. 



R. A. PhiIvI^ips, Ashburton, Cork. 



Greenwood Pim, m.a., f.l.s., Monkstown, Dublin. 



R. I. PococK, British Museum (Nat. Hist.), S. Kensington. 



James Porter, b.e., Cork. 



R. Lloyd Praeger, b.e., m.r.i.a.. National Library, Dublin. 



WiLiviAM E. Praeger, Keokuk, Iowa, U.S.A. 



J. G. Robertson, Dublin. 



R. F. vScHARFF, PH.D., B.sc, Scicucc and Art Museum, Dublin. 



W. E. Sharp, Ledsham, Chester. 



J. R. Sheridan, Achill Island. 



Owen Smith, Nobber, Co. Meath. 



Professor W.J. Soi^i^as, IvI..d., f.r.s.. Trinity College, Dublin. 



Wiu^iAM Starke V, Jun., Rathmines, Dublin. 



W11.1.IAM vSwANSTON, F.G.S., Belfast. 



J. H. H. SwiNEY, C.E., Belfast. 



James Tank, Dublin. 



J. TayIvOR, Mullingar. 



R. J. USvSHER, J.P., Cappagh, Co. Waterford. 



Rev. C. H. WaddeIvIv, b.d., Saintfield, Co. Down. 



Amy Warren, Ballina. 



Robert Warren, Ballina. 



S. Westropp, Cork. 



E. Wii^iyiAMS, Dublin. 



ERRATA. 



Page 26, line 6,/?r " Carval" read " Caracal." 



,, 16 and 17 from bottom, for "as Monstroma does from 

 Ulva,"" read " as Ulva does from Alonostromay 

 173, ,, 27, for "■ Aminophila sabulosa,'' read '' Pompilius fusciis.'' 

 227, last line but one, for " Scharff" read "SchaefF." 

 229, line 33, for " Cotton" read " Collon." 

 229. The note on Azolla should be transferred to special heading 



" Vascular Cryptogams." 

 243, foot-note, line 2, for " formed" read " former." 



279, last line, for "fourth, fifth, sixth, and seventh" read " third, 

 fourth, fifth, and sixth." 



280, line 2, for " seventh" read " sixth." 

 302, line 41, for "■ extractor " read •' retractor." 



