viii 
Ceroplastes ugandae, Newst., stigmatic cleft, dorsal pores, parastigmatic glands and 
spine of stigmatic cles, 
Ceroplastes galeatus, Newst., antenna ana sii peaatic cleft 
an vinsonioides, Newst., young adult 9, ventral view 
Ceroplastodes gowdeyi, Newst., puparia of g and 9 ... 
7 4 » young adult 9 and details of old ° 0 3b 
Lecaniodiaspis africana, Newst., details of ° ... ans bee one ae e 
Aonidia glandulosa, Newst. : sacle . ; margin of digs nymphal (s2ond 
stage) 2 nor 30 40 500 a Aap ay 
Pseudoeriopsylla nyasae, Newst., “9, wing An0 
Glossina tabaniformis, Westwood, male armature .., 
Ps medicorum, Austen, male armature ... son bse 
Views of the haunts of Glossina tachinoides and G. morsitans in Bornu, Northern 
Nigeria, visited by Dr. B. Moiser ... 500 000 con) U20) LAT 223 ie 
Plan of town of Lagos, 8S. Nigeria 303 30) 505 
Haplochilus grahami, Blgr., ¢ and @ ... we 500 
Photography of Diptera ; apparatus in position 500 ans a0 435 00 
Arrangement of mirrors and reflector for illuminating the object to be photo- 
graphed 200 vee 30° one 30 so ose 
Chrysops magnifica, Austen, 2 ... one 200 one 500 
» centurionis, Austen, 9... 403 ies ney 
* cana, Austen, ¢ 5a 505 90 500 Apt) ase ae 
Hippobosca hirsuta, Austen, Q ; scutellum of Hippobosca hirsuta var. neavei, 
Austen ; head and thorax of H. maculata, Leach pen ane onK 700 
Views of Gambia, visited by Dr. Jas. J. Simpson 
190, 191, 196, 197, 198, 199, 202, 203, 208, 209, 
Surveying launch ‘“ Rose ”—to show effective mosquito-proofing: ... 
Diagrams to illustrate the construction of “‘ Cushion” envelopes ... 
Ochlerotatus hirsutus, Theo., ¢ ; side view of head ... Acie 
Manscnioides uniformis, Theo., g ; side view of head Sen 
Culex quasigelidus, Theo., g ; side view of head... ove 
Legs of Culex aca Theo.; C. duttoni, Theo. ; C. theileri, Theo. ; and 
C. univitlatus, Theo. . 50 eae bis 
Dorsal view of thorax of : ‘Gus Se ueliteas, Theo., 9: Cues prin Theo., 25 : 
Culex ornatothoracis, Theo., 2... 400 one 
Head of Chimaeropsylla potis, Roths., oe ave mss Lor) ie 505 
Chimaeropsylla potis, clasping organs of g, and abdominal segments of 2 
(2 figures) ... 200 sos see ae aes 
Tabanus necopinus, Austen, Q ... ic a 590 “08 
5,  pertinens, Austen, 9 ; head of é fiom above 
Dorsal view of jarva of Glossina morsitans, Westw. ... 
Puparium of Glossina morsitans, Westw. (2 figures)... 
Typical open grass country in Northern Nigeria aie ne ae 
Another view of the Baobab tree shown in Plate XX, Fig. 2 So 
Head and thorax of Loxaspis mirandus, Roths. 500 500 p9 it ae 
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