PACE 



Oviduct of the lien, albumen secreting region .'00 



funnel . region .401 



general structure 390 



liistology . . . 3Q5 



isthmus 407 



hterature 427 



uterus 419 



vagina J2 r 



Oyster shell scale ....'. -I37 



Pachypsylla (lubia 224 



pallida 225 



tridentata 224 



Paratrioza cockerelli 23 r 



Peronia ferrugana 453 



Phenococcns acericola 442, 448 



dearnessi 443, 448 



Philbrook orchard experiments ' 21 



Plant lice 448 



Pomological notes 52 



Porthetria dispar 452 



Prepotency in breeding fowls 3Q0 



Prociphilus venafuscus 44S 



Psylla annulata 211) 



bre^■iata 220 



brevistigmata 222 



cerasi 22^ 



coryli 22^ 



gilletti : 221 



harligii 222 



negundinis ■. . 220 



pyricola 221 



Psyllidae, notes on 215 



Pteromalus egregius J57 



puparum .458 



Pulvinaria innumerabilis 446 



vitis '. 446, 4j8 



Recurvaria piceaella 455 



Rhopalosiphum nymphaeae 171 



Rose scale 436 



Russeting of apples, relation to lime-suliihur 18 



San Jose scale 434 



Saperda tridentata 464 



Scale insects 43- 



differential characters 447 



Schi/.oneura. Sec Woolly apple aphid 



americana 236 



lanigera 236, 440 



Sciarinae in 



.Scurfy scale ^39 



