Productus coatatus, i. 96 ; iv. 78 

 fimbriatus, i. 96 

 giganteus, i. 96 

 Grifrkhianus, iv. 79 

 latissimus, i. 96 ; v. 239 

 longispinus, i. 96; ii. 4; iii. 176 

 mesolobus, i. 96 

 punctatus, i. 96 

 scabriculus, i. 96, 197 ; v. 312 

 semireticulatus, i. 96; iii. 175 



var. Martini, i. 96 

 spinulosus, i. 96 

 undatus, i. 96 

 Youngianus, i. 96 

 Progne purpurea, ii. 275 

 Protella phasma, ii. 50 

 Proteus anguinus, iii. 327 



latifrons, ii. 179 

 Proto pedata, ii. 50 

 Protomedeia Whitei, ii. 23 

 Proustia pungen?, iv. 50 



pyrifolia, iv. 50 

 Prunella vulgaris, v. 8*, 278 

 Prunus Avium, ii. 172 



communis, var. spinosa, v. 7* 

 lauro-cerasus, ii. 172 

 lusitanica, ii. 172 

 Mahaleb, ii. 172 

 Padus, ii. 172 ; iii. 342 

 Psamma arenaria, v. 255 

 Psammobia Ferroensis, i. 26 



vespertina, i. 24, 25 

 Psammodendron arbuscula, v. 163 

 Psilodora Boienii, iii. 203 



maculata, iii. 203 

 Psodos trepidaria, ii. 225 

 Pteris aquilina, v. 8*, 281 

 Pterocormus means, ii. 304 

 Pteronites fluctuosus, i. 146 

 Ptychomitrium polyphyllum, v. 283 

 Puccinia caricis, v. 299 

 coronata, v. 29S 

 graminis, v. 295, 296, 298 

 Magnusiana, v. 299 

 Moliniae, v. 298 

 poarum, v. 299 

 rubigo-vera, v. 298 

 saniculae, v. 254 

 sessilis, v. 299 

 Puffinus anglorum, i. 321 ; ii. 60, 130 ; 



iii. 267 ; iv. 187, 253 

 Pulicaria dysenterica, v. 161 

 Pulvinula canariensis, i. 147 

 Puncurella noachina, ii. 341 

 Pupa anglica, i. 249, 250 

 muscorum, i. 35, 249, 250 

 ringens, v. 291 



var. pallida, v. 291 

 umbilicata, i. 189, 194, 249 

 Purpura lapillus, i. 26, 32, 33, 35, 100 ; 

 "•37 



Pychotrichia uiticarum, iii. 203 

 Pyralis tf) crassalis, i. 368 

 Pyrameis cardui, ii. 154 

 Pyranga rubra, ii. 274 

 Pyrola aphylla, iv. 212 



media, iii. 165 



rotundifolia, v. 5*, 278 



secunda, iv. 119 

 Pyrrhocorax graculus, ii. 98 ; iii. 66 

 Pyrrhula enucleator, iii. 293 



erythrina, iii. 293 



europaea, iii. 264, 330 ; iv. 58, 239 

 v. 139 



rosea, iii. 293 



rubicilla, iii. 292 



vulgaris, i. 290 ; ii. 102 ; iii. 49, 66, 

 159, 163 

 Pyrus Aria, ii. 173 



Aucuparia, ii. 173 ; iii. 342 



Malus, v. 79 



var. prunifolia, iii. 342 



prunifolius, ii. 173 



Sorbus, iii. 342 



spectabilis, iii. 342 



Quercus Cerris, iii. 342 



coccinea, iii. 342 



infectoria, ii. 288 

 Querquedula circia, iv. 254 



crecca, ii. 120 ; iii. 72, 164, 266 



strepera, i. 51 

 Quillaja saponaria, iv. 48 

 Quinqueloculina agglutinans, i. 147 



seminulum, ii. 38, 342 



tenuis, v. 12 

 Quiscalus versicolor, ii, 281 



R 



Raclia, i. 366 



cervina, i. 367 

 Racomitrium aciculare, v. 283 



canescens, v. 283 



fasciculare, v. 283 



heterostichum, v. 283 



var. gracilescens, v. 161, 283 



lanuginosum, v. 283 



patens, v. 283 



protensum, v. 283 



sudeticum, v. 283 

 Radiola Millegrana, iii. 165 ; v. 162 

 Radula commutata, v. 287 



complanata, v. 287 

 Raia pastinaca, iii. 4 

 Rallus aquaticus, i. 307; ii. 117, 162, 

 l8< 5, 253 ; iii. 70, 164, 305 ; iv. 67, 

 '77, 250, 316; v. 147 



