3§4 



[Proc. B.N.F.O., 



Pisidium nitidum 165, 341. 



P. obtusale 165. 



P. parvulum 290. 



P. pulchellum 165. 



P. pusillum 165. 



P. subtruncatum 165, 341. 



P. supinum 290. 



Placodium lobulatum 82. 



P. murorum 82. 



Plagiochila asplenioides 221. 



Plagiothecium denticulatum 220. 



P. undulatum 220. 



Planarians 99. 



Planorbis albus 88, 165. 



P. carinatus 88, 97, 102, 103, 165, 166, 341. 



P. contortus 165. 



P. corneus 97. 



P. crista 103, 165. 



P. fontanus 103, 165. 



P. glaber 103, 164, 165, 341. 



P. spirorbis 165. 



P. vortex 165, 166. 



Plantago Coronopus 289. 



P. lanceolata 99. 



Plantation Port 219. 



"Plants in relation to their Surroundings" 



108. 

 "Plants of the Lough Neagh Basin" 179. 

 ' ' Plants which feed on Animals " 267. 

 Platyarthrus hoffmannseggii 56, 64. 

 Pollan 60. 



Polyblastia deminuta 82, 85. 

 P. Schraderi 82, 85. 

 Polydesmus coniplanatus 166, 167, 226. 

 P. coriaceus 86, 91, 92. 

 P. denticulatus 92, 166. 

 P. gallicus 166, 167. 

 Polygala vulgaris 8u. 99. 

 Polygonum Fagopyrum 206. 

 Polypodium Phegopteris 213. 

 P. vnlgare var. semilacerum 160. 

 Polypogon monspeliensis 206. 

 Polytrichum commune 109, 



"Polyzoa" 13. 



"Pond Life "267. 



Populus tremula 160. 



Porcellio pictus 94, 103, 167, 217, 274, 278. 



P. scaber 94, 167, 278. 



Porcellionides (Metoponorthus) pruinosus 



103. 

 Porina chlorotica 86. 

 Portmore 340. 

 Port Muck 104. 

 Portstewart 66. 

 " Post-Glacial Element in the Irish Fauna, 



The " 13. 

 Potamogeton rufescens 336. 

 Potentilla argentia 206. 

 P. norvegica 206. 

 Poterium officinale 336. 

 Pot of Legawherry 282. 

 Pot of Pulgarve 335. 



Praeger, R. LI., "Club Prospects and Retro- 

 spects" 229, "Photographing Wild 

 Plants in the West of Ireland " 228, 

 "Problems of Dispersal and Distri- 

 bution in the Irish Flora" 171, "Pro- 

 blems of the Irish Flora " 67, " Sedums " 

 169. 

 "Prehistoric Settlements on the Shores of 



Lough Neagh " 344. 

 Primula vulgaris 100. 

 Privet Hawk-Moth 348. 

 "Problems of Dispersal and Distribution 



in the Irish Flora" 171. 

 " Problems of the Irish Flora " 67. 

 Prunella vulgaris 337. 

 Pterogonium gracile 220. 

 P. ornithopodioides 81. 

 Ptychornitrium polyphyllum 220. 

 Punctum pygmseum 280. 

 Pupa anglica 88, 104. 277, 281. 

 P. cylindracea 89, 281. 

 P. muscorum 88, 89. 

 Purpura lapillus 79. 

 Puss- Moth 348. 

 Pyramidula rotundata 89, 280. 

 Pyrola media 80, 146, 205, 281. 

 P. minor 10, 146. 

 Pyrus Aria 160, 284, 326. 



