INDEX. 



Uerham, Dr., 9 



Diptera, description of order, 2 



Destruction of fungi by Mycetids, 105 



DexidK, XV., 16 



Diadocidinpe, 15, loi, 150 



Diadocidia, 150 



,, fcmtginosa, 150 



Diamesa, 169, 171, 18S 



,, anuiioii, 1 89 



,, chiron, 189 



,, obscurimaniis, 189 



,, tonsils, 190 



,, lyplwn, 190 



,, ':,'althii, 189 

 Dichffita, 13 

 Dilophus, 152, 160 



,, fossil, 154 



,, alhipciinis, 162 



,, fchrilis, 1 53, 161 



,, ,, destruction caused 



by, 162 



,, hitiiieralis, 162 

 Diplosis, 50, 75 



,, botularia, 78 



,, Intxif 78 



,, call id a, 80 



,, centralis, So 



,, ccoinatis, 44 



,, couiophaga, 75 



,, Jlava, 81 



,, fraxinella, 77 



,, heliaiithemi, 78 



,, Jacobecr, 81 



,, linaria, 79 



„ loti,-]<, 



,, pim, 79 



,, tremiihc, 75 



,, tritici, 44, 76 



,, ,, prevention and re- 



medies of attack, 77 

 Dirrhiza, 83 



,, fossil, 49, 51 



,, rhodophila, 83 

 Ditomyia, 105, 148 



,, fasciata, 149 

 Dixa, 4 



Dixidae, xii., 15, 18, 20 

 Docosia, 103, 123 



,, scarina, 124 



,, valida, 124 

 DolichopodidK, xiv., 3, 13, 16 

 Dolichopus, 3 

 Drosophilidte, xviii. , 17 

 Dynatosoma, 103, 120 



,, ftiscicornis, 120 



E. 



Eggs, of Cecidomyia, 44 

 Eleutherata, 1 1 

 Embryology, 6 

 Empalia, 104, 135 



,, vitripennis, 135 



Empheria, io|, 135 



Empheria, pictipe/i /lis, 135 



Empidoe, xiii., 3, 13, 16 



Empince, 16 



Empis, 3 



Emprosthocentra, 7 



P^ntomological Society, of London, 12 



Ephydridre, xviii., 17 



Ephydrina:, 17 



Epidapus, 102, 113, 151 



„ vcuaticiis, 113 



Epidosis, 83 



„ fossil, 49, 51 



„ defect a, 84 



,, longipes, 84 

 Epiplecia, 154 

 Eproboscidea, 6, 14, 17 

 EremochEeta, 19, 20 

 EriopterinK. 15 

 Eristalis, 5 

 Eurycnemus, 169, 187 



,, elegans, 187 



Exechia, 103, 120 



,, fiin^oriiiii, 121 

 ,, lateralis, 121 

 Exochnata, 11 



Fabricius, il, 12 



Fertilization of Aristolochia, by Cecids, 



47 

 Fever Fly, 153, 161, 162 

 Flax Seeds, of Hessian-Fly, 5 5 

 Fleas, 2 [-37 



,, anatomy of larva, 26 



,, alimentary canal of, 27 



,, characters of genus, 24 



,, classification of, 23 



,, geographical distribution of, 36 



,, history of, 21 



,, fossil, 36 



,, metamorphoses of, 22 



,, modes of destruction of, 36 



,, literature on, 37 



,, tabulated, 35 



,, the common, 29 



,, the dog, 30 



,, the hen, 31 



,, the swallow, 31 



,, the squirrel, 32 



,, the badger, 32 



,, the hedgehog, 32 



,, the rabbit, 32, ^t, 



,, the mole, 34 



„ the bat, 34 



,, _ the rat, 34 

 Fossil, diptera, 1-6 

 Frenzius, 8 

 Fungus gnats, 92 



G. 



Galls, formed by Cecids, 71 

 Geographical distribution of Bibi- 



onida;, 154 

 Geographical distribution of Cecids, 49 



