IV 



List of Contributors 



Phillips, R. A., Ashburton, Cork. 



PRAE(VKR, R Lloyd, b.a., b.h, m.r.i.a.. National Library of 



Ireland. 

 SCHARFF. R. v., PH.D., H.Sc, M.R.I.A., National JNIuseuui. 

 SCULLV. R. W.. K. LS., Dnndrnni, Co. Dublin. 

 Southern, Rowland, b.sc, National Mu.seum. 

 Stklfox, Arthur W., Belfast. 

 Strach.vn, J.\mEvS, Ball} clare, Co. Antrim. 

 ToMLiNSON, W. J. C, Midland Railway, Belfast. 

 TouREND, Rev. C, College of Campolide, Lisbon. 

 Ussher. R. J., J.i'., Cappagli House, Co. Waterford. 

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

 Warren, Robert, Moyview, Ballina. 

 Welch, R.. m.r.i.a., 49, Lonsdale-street, Belfast. 

 Westell W. P,, e.l.s., vSt. Albans. 

 Williams, Alexander, r-h.a.. Hatch-street, Dublin. 

 Williams, W. J.. Dame-street, Dublin. 



PI^xVTKS AND ILLUSTRATIONS 



Distribution of Bythinia Leachii and 

 Planorbis corneus in the British 

 Isles, ..... 



Bythinia Leachii and B. tentaculata, 



Radular teeth of Li'iintea, 



Genital organs of Limmea pr^etenuis 

 and Limniea glabra, 



Vertigo moulinsiana, \. Lilljeborgi, 

 and V. an ti vertigo. 



Vertigo moulinsiana, V. Lilljeborgi, 

 and V. antivertigo, 



Vitrina p3'renaica, 



Paromola Cuvieri, 



Armadillidium pictum, 



Biological sub-provinces of Ireland, 



Old Clontarf Island, 



Petalostoma minutum, 



Isotoma tenella, 



Agrenia bidenticulata, . 



Henry Chichester Hart (Portrait), . 



Ivluma ])urpnrascens. . 



. (Plate 10). 



p. 177 

 To face p. 249 

 To face p. 255 



l^RRATUM. 



Page 233, last line of R. Welch's paper, /<;/ '• prussic '' read " liumic' 



