1 



Podiceps minor, i. 85, 313 ; ii. 126, 163; 

 iii. 73, 164, 247, 266; iv. 68, 185, 

 252, 324 ; v. 62, 150, 226 



rubricollis, i. 85, 313 ; iii. 164, 315 ; 

 iv. 1S6, 252 ; v. 226 

 Podisoma juniperi, v. 297 



Sabinae, v. 29S 

 Podocerus falcatus, i. 2 



pelagicus, ii. 24, 49 



pulchellus, ii. 49 

 Poecilodus sp ?, v. 240 

 Poecilosoma excisam, ii. 262, 292 ; iii. 

 89, 251 



guttatum, ii. 262 



longicome, iv. 108 



pulveratum, ii. 251, 292; iii. 89, 251 



sublineata, i. 342 



submuticum, ii. 292; iii. 251 

 Pogonatum aloides, v. 285 



alpinum, v. 285 



var. campanulatum, v. 285 



nanum, v. 2S5 



urnigerum, v. 285 

 Polyborus thaurus, iv. 123 

 Polycentropus Kingii, v. 76 

 Polycera ocellata, i. 206 



quadrilineata, i. 206 

 Polyclinum constellatum, i. 87 

 Polygala depressa, v. 276 



vulgaris, iv. S3 

 Polygonum Hydropiper, iii. 165 



lapathifolium, iii. 165 



minus, iv. 12 1 



Raii, v. 255 

 Polyides rotundus, i. 23 

 Polymorphina lanceolata, v. 268 



rotundata, v. 26S 



sororia, var. cuspidata, v. 268 

 Polyporus betulinus, v. 254 



igniarius, i. 11 

 Polypodium alpestre, i. 269; v. 161, 

 281 



Dryopteris, v. 159, 160, 249, 254, 281 



Phegopteris, iii. 156, 166; v. 159, 

 160, 249, 281 



vulgare, v. S*, 281 

 Polysiphonia elongata, i. 24 



fastigiata, i. 23 



violacea, i. 23 

 Polystichum angulare, iv. 119 



Lonchitis, iii. 42, 321 ; v. 162 

 Polystomella complanata, i. 148 



crispa, ii. 38 



striato-punctata, ii. 38, 342 

 rolytrichum commune, i. 162 ; v. 285 

 var. fastigiatum, v. 285 

 humile, v. 285 



sexangulare, i. 143 ; v. 285 



strictum, v. 161, 285 

 Pompilus affinis, iii. 90 



Pompilus niger, ii. 294 ; iii. 90 

 Ponera contracta, v. 29 

 Poospiza bilineata, ii. 278 

 Populus alba, iii. 342 



balsamifera, ii. 173 



canescens, iii. 342 



monilifera, iii. 342 



nigra, iii. 342 



tremula, iii. 342 

 Porcellana longicornis, i. 8, 149 

 Porcellia armata, ii. 16 ; v. 240 

 Porcellidium fimbriatum, i. 98 

 Porella laevigata, v. 287 



platyphylla, v. 287 

 Porphyra laciniata, i. 23 



vulgaris, i. 23, 201 

 Porphyrio hyacinthus, i. 81 



melanotus, ii. 232 

 Portunus arcuatus, i. 29 



depurator, i. 62 



holsatus, i. 9 



puber, i. 83 

 Porzana maruetta, iv. 17, 177, 250 



parva, v. 2 1 1 

 Posidonomya corrugata, ii. 31 

 Potamogeton gramineus, iii. 166 



natans, v. 279 



polygonifolius, var. Kirkii, v. 279 



zizii, iv. 192 

 Potentilla alpestris, iii. 42 ; v. 161 



anserina, v. 7* 



Fragariastrum, v. 242 



fruticosa, iii. 343 



reptans, i. 125 



Tormentilla, v. 276 



tridentata, iii. 321 

 Poteriocrinus crassus, i. ill ; iii. 91 ; 

 iv. 20, 21 



nuciformis, iii 280 

 Poterium officinale, v. 5* 



Sanguisorba, v. 5* 

 Praniza coeruleata, i. 117 



obesa, i. 1 16 



Edwardsii, ii. 24 

 Pratincola indica, iii. 135 



rubetra, iii. 262 ; iv. 56, 153, 237 ; v. 



135 

 rubicola, iii. 50, 262 ; iv. 56, 237; v. 



.'35 

 Preissia commutata, v. 2S6 

 Primula scotica, i. 18 



sinensis, iv. 207 



veris, v. 81 



vulgaris, v. 278 

 Procellaria leucorrhea, iv. 68 



pelagica, ii. 130 ; iii. 165 ; iv. 68, 

 253 ; v. 226 

 Productus aculeatus, i. 96 



complectens, iii. 175 ; iv. 30 



cora, i. 96 



