190 



Phygadeuon (Microcryptus) 

 rufoniger, new 

 to science ... 22 

 ,, sodalis, new to 



Britain ... 22 

 Phylloscopus trochilus, at Ox- 

 shot 119 



Phytoptus, a species of . 113 



Pieris brassicse ...9, 46, 64, 69, 



70, 78, 146, 169 

 „ napi 46, 69, 132, 145, 



146, 169 

 ,, ,, a dark var. of ... 126 

 ,, „ abundatue of ... 146 

 „ ,, approaching var. 



bryonise ... 146 



„ „ depositing ova by 



lamp light ... 145 

 ,, „ with spots coalescing 148 

 „ rapse 46, 64, 69, 121, 146, 169 

 „ „ yellow var. of .... 126 

 11 u gynandromorphoiis 



specitnen of ... 130 



Pimpla gravenhorstii ... 126 



„ scaniea .. ... 22 



Pin guicula vulgaris ... ... 36 



Pinna 25 



Pipunculus geniculatus ... 128 

 Pityophthorus lichtensteinii 99 

 Platyartkrua hoffmanseggii . . . 113 

 PlatyptUia gonodactyla ... 21 

 Platystoma seminationis 35, 58 

 Plusia f estucse . . ... 171 



„ gamma. ..28, 64, 66, 76, 



78, 138, 171, 172 

 ,, moneta... ... ... 100 



„ „ at Reading, near 



Dover, and Tun- 

 bridge Wells ... 53 

 PcBdisca solandriana ... 44, 109 

 ,, sordidana ... ... Ill 



Poliachi 106 



,, „ var. olivacea ... 147 



Polistes carnif ex ... ... 54 



„ gaUicus ... ... 64 



„ instabilis 54 



„ pallipes 54 



Polyommatus pMseas . . .46, 47, 

 113, 134, 

 138, 145, 169 

 „ „ abnormal ... 44 



,, „ at Labrculor 14 



„ „ pale forms of, 



approaching 

 var. schmidtii 104 

 „ „ var. eleus ... 113 



„ virgaurese, re- 



ported capture of 146 

 Polyporus squamosus ... ... 23 



Polysphincta varipes... ... 133 



PAGE 



Pomatias patula ... ... 167 



Poropleura monstrosa ... 17 



Presidental Address, 1890 ... 8 

 1891 ... 92 

 Procellaria leucorrbcsa . . . 140 



Procris, a species of, interme- 

 diate between sta- 

 tices and globu- 

 larisB ... ... 39 



„ statices 118 



Proctotrypes ater 36 



Prodenia littoralis ... 97,139 



Prosopis communis 35 



Psaliota campestris ... ... 138 



Psilura monacha ... ... 96 



Psodos coracina . . . 126, 134 



Psyche villosella, living larvce 



of, Mr. J.J. Weir o«...43, 128 

 Pteropactria af&icta ... ... 128 



Pterophorina, a species of ... 148 

 Pteropcecila lamed ... ... 58 



Papa cinerea ... ... ... 167 



Pygsera, a doubtful species of. . . 109 

 „ curtula . 109, 111 



„ ,, var. ... ... 109 



11 pigra Ill 



Pyrales, absence of, at East- 

 bourne ... ... ... 171 



Pyralis f arinalis 130 



Pyrameis atalailta ... ... 130 



,, cardui 130 



„ degeerii ... ... 129 



Pyrochroa serraticornis . . 133 



Physa fontinalis ... ... 133 



Phycis adomatella, Mr. C. G. 



Barrett 071... ... 13 



„ diluteUa 14 



„ subornateUa ... ... 13 



Phytomyza aquilegise . . . 133 



Quedius fuliginosus ... ... 133 



Rabbits in Surrey ... ... 112 



Report, 1890 3 



1891 85 



Reproduction and Partheno- 

 genesis, il/;-./. W. Tutt on 117 

 Retinia buoHana, Mr. R. Adhin 



on 103 



„ duplana ... 100, 148 



„ margarotana ... ... 13 



„ pinicolana ... 22, 103 



„ pinivorana ... ... 13 



„ turionana ... ... 148 



Rhagium mordax ... ... 44 



Rhamphomyia sulcata ... 35 



Rhizarcha serolaris ... ... 133 



Rhodites eglanteriae ... ... 36 



„ fusiformans ... 16 



„ ignata ... ... 16 



„ rosse ... 36, 42 



