iv List of Co7iiributors> 



Miss M. C. Knowxes, Ballymena. 



Ernest Bi,ake Knox, Bray. 



C. Langham, Tempo, Enniskillen. 



Rev. Edward vS. Marshai.1,, m.a., f.l.s., Godalming, Surrey. 



PHII.IP B. Mason, m.r.c.s., f.i^.s., Burton-on-Treiit 



Rev. R. M. MiIvIvER, m.a., Roscrea. 



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



F. W. Moore, a.i, s., Glasnevin, Dublin. 



J. NoIvAN, M.R.I. a., Geological Survey, Dublin. 

 J. E Palmer, Dublin. 



G. H. PENTI.AND, Droglieda. 



R. A. PhiIvIvIPS, Asliburton, Co. Cork. 



R. L1.0YD Praeger, B.A., B.E., M.R.I.A., National Librarj-, Dublin. 



R. F. ScHARFF, ph.D , B.sc, Science and Art Museum. Dublin. 



R. Standen, Owens College, Manchester. 



J. Stelfox, Belfast. 



S. A. Stewart, f.b.s , Ed., Belfast. 



J. H. Teesdale, Dulwicli, London, S.E. 



B. ToMLiN, LlandafF, S. Wales. 



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



Robert Warrp:n, j p., Ballina. 



R. Wei<ch, Belfast. 



J. J. Wolfe, Sldbbereen, Co. Cork. 



ERRATA. 



Page 7, line 12, for " fitted," read " pitted." 



7, „ 15 from bottom, for " snail," read " soil." 



8, „ 22, for *' subtriata," read «« substriata." 



57, ,, 5. for '^ Otiorrhinchus,''' vQdi^ ^^ Baryiwfus."' 

 i']i, ,, 4 from bottom, for "• Typhceda'' read '' Typhcea^' and for 

 " uorifer^'' read " nodifer.'''' 



214, „ 5, for " sylvestre,^' read '•'' o-ectwn.^^ 



217, „ 5 from bottom, after " rotimdatar insert *' var. albay 



217, ,, 2 „ „ "-Hyah'nia'' insert"- n7tidula^\2iT.Helmu." 



218, ,, 20 for " were," read " was." 



253. M 6 from bottoni, after "lichenologist," insert " and Judge 

 Berwick." 



