Psila fimetaria 80 



Psychoda phalaenoides 9 



Psychoda sexpunctata 10 



Pteropaectria frondescentiae 83 



Rivellia syngenesiae 87 



Scatopse notata 2 



Scenopinus fenestraiis 51 



Seoptera vibrans 88 



Simulium cinereum, ova 4; pupa 5 



larva 6 ; habitat of 7 

 Sphenella marginata 95 

 Spilogaster Zoe 72 

 Spilographa Zoe 91 

 Stenopteryx hirundinis 115,116 

 Stomoxys calcitrans 71 

 Syritta pipiens 65 



Tabanus autumnalis 36, 37 



Tabanus autumnalis, habitat of 39 



Tabanus autumnalis, mouth parts of 38 



Tachina grossa 69 



Tephritis bardanae 100 



Tephritis hyoscyami 98 



Tephritis plantaginis 97 



Tephritis vespertina 99 



Therioplectes micans 35 



Tipula marmorata 27 



Trypeta cornuta 92 



Toxoneura muliebris 103 



Urophora solstitialis 93 



Urophora stylata 94 



Volucella pellucens 60 



Xiphura nigricornis 28 



CAMBRIDGE: PRINTED BY j. B. PEACE, M.A., AT THE UNIVERSITY PRESS 



