IX 



ILLUSTRATIONS IN THE TEXT. 



Page 



Siphon and anal segment of Stegomyia fascicUa, F 26 



Stictococcus dimorjjhus, JSTevvstead, female and male larvas 64 



Carpophthoromyia pidchella, Austen, $ 72 



CarpopMhoromyia formosula^ Austen, S 75 



Cordylobia prcegrandis^ Austen, $ 79 



Cocoon-mass of Anaphe veiiata, Walk., on a leaf of Cassava 83 



Details of fleas found on domestic rats and mice 91, 92, 93, 96, 98 



Figures of Acari : — 



Opiliocarus segmentatus, With, 5 105 



Holothyreus longipes, Thor., cS 106 



Rhipicephcdus sanguineus, Latr., ^ 107 



Ornithodorus niouhata, Murray, $ 107 



Leiidus tru7icatus, Oudms., 2 109 



Dei^mouy ssus gallince, Tfe Geer, 2 109 



Uropoda africana, Oudms., deutonymph 110 



Fedicidoides spinosus, Kramer, 2 HI 



Labidostoma denticulatum, Schrank, 2 112 



Tarsotomus parietinus, Harm., 2 113 



Telronychus caiyini, Oudms 114 



Cheletes eruditus, Schrank, $ 114 



Myobia affinis, Poppe, 2 114 



Bdella rubra, Lam 114 



Euthrombidium t7'igonum, Herm., larva 115 



Hydryphantes indyra, De Geer, larva 115 



Eremceus hessei, Oudms 116 



Aleurobius afi^icana, Oudms., 2 117 



Sarcoptes equi, Gerl., 2 117 



Chorioptes sjyathifmms, Megnin, 2 • 118 



Demodex canis, Leydig, 2 118 



Eriophyes tenuis, Nalepa 119 



Healthy lebbek trees (Albizzia lebbek) growing on Ghezireh Island, Cairo 122 



Colonies of the mealy bug situated round the edge of a wound, and in the 



axils of leaf-petioles 1 24 



Growing point of lebbek attacked by the mealy bug 125 



Compound leaf of lebbek, showing colonies of the mealy bug on the leaf- 



petioles and elsewhere 126 



VOL. I. b 



