108 W. A. SANDS 



A specimen has been selected and labelled by Dr. A. E. Emerson as lectotype for 

 the junior synonym, T. tchadensis, but the designation has not been published 

 hitherto. It is given under the type material heading. 



Type Material. Sudan : Kaka, iii.1901 (/. Tragdrdh), syntype soldier from type 

 colony, T. oeconomus (Tragardh), A.M.N.H. (other syntypes in Naturhist. Riksmus., 

 Stockholm). 



Mali : Alahina, (near Toukoto?), vi.1903 (Kermorgant), syntype imago from 

 type series, T. mobilis (Sjostedt), A.M.N.H. (other syntypes in Mus. Paris and 

 Naturhist. Riksmus., Stockholm). 



Chad : Tchari-Tchad, no date, [no collector), paralectotype soldier from type 

 colony, T. tchadensis (Sjostedt), A.M.N.H. (lectotype soldier and other paralecto- 

 types, in Naturhist. Riksmus., Stockholm). 



Central African Republic : Fort Crampel, 6.i.ign (A. Schubotz), paratype 

 soldier from type colony, T. schubotzianus (Sjostedt), A.M.N.H. (Holotype soldier 

 and other paratype, in Mus. Hamburg, other paratypes in Naturhist. Riksmus., 

 Stockholm.) 



Other Material. Sierra Leone : Samaia, 24. v. 1948 (F. A. Squires). 



Ivory Coast : Toumodi, 120km. N.W. of Abidjan, 1962-1964, 3 vials (P. Bodot). 



Ghana : Cape Coast Castle, no date (G. Williams) ; Accra, 26.v-29.vi.1926, 3 

 vials (A. W. J. Pomeroy) ; Nungua, 16. i. and 21. vi. 1956, 3 vials, Achimota, 19.1.1953 

 and 6.1.1956, 3 vials (W. Belfield) ; Accra, 16. ii. 1959, ii^m. from Accra on Kumasi 

 Road, 18.ii.1959, 2 vials, Ejura, 21. ii. 1959, 33-6om. N. of Ejura on Tamale Road, 

 24.ii.1959, 2 vials, 10m. N. of Yeji on Tamale Road, 25.il. 1959, 12m. S. of Tamale 

 on Kumasi Road, 26. ii. 1959, 5 and 16m. from Daboya on Tamale Road, 28.ii.1959, 

 2 vials, 30m. from Tamale on Larabanga Road, 3.iii.ig59, 35m. from Tamale on 

 Yendi Road, 4.111.1959, 25m. S.E. of Gambaga on Yendi Road, 6. hi. 1959, Volta 

 Bridge on Bolgatanga-Bawku Road, 8.iii.i959, Navrongo, 12.iii.1959, 29m. from 

 Navrongo on Tumu Road, 13. hi. 1959, 12m. N. of Navrongo, 14. hi. 1959, 11m. from 

 Tumu on Navrongo Road, 15. hi. 1959, 40m. from Tumu on Lawra Road, 16.iii.1959, 

 9m. N. of Lawra on Nandom Road, 18. hi. 1959, 24 and 52m. from Wa on Bole Road, 

 20.iii.1959, 3 vials, 3m. from Larabanga on Bole Road, 22. hi. 1959, 12m. from Accra 

 on Takoradi Road, 7.^.1959 (W. A. Sands). 



Nigeria : Eastern Region, Enugu, 12. xi. 1955 (W. V. Harris) ; Abakaliki, 

 28.V.1957 (W. Wilkinson) ; Northern Region ; Yashi, 3JX.1954, 2 vials, Kano, 

 4-ix.i954 (B. J. McNulty) ; 43m. E. of Kano, Gaya River, 17. xi. 1956, 31m. W. of 

 Kano on Katsina Road, 18. xi. 1956, Katsina, 18. xi. 1956, Kaura Namoda, 21. xi. 1956, 

 71m. from Gusau on Sokoto Road, 22. xi. 1956, 25m. from Sokoto on Gusau Road, 

 25. xi. 1956, 30m. N. of Sokoto on Illela Road, 26. xi. 1956, Samaru, near Zaria, 3.xi. 

 1956, 2 vials, and 14. v. 1959, 18m. from Kaduna on Zaria Road, 8.XU.1956, 2 vials, 

 33m. from Kaduna on Zungeru Road, 18.xii.1956, 45m. from Zungeru on Kaduna 

 Road, 19.xii.1956, 29m. from Minna on Zungeru Road, 20.xii.1956, 2 vials, 16m. 

 from Zungeru on Bida Road, 21.xii.1956, 3 vials, 41m. from Mokwa on Bida Road, 

 22.xii.1956, 39m. from Abuja on Bida Road, 24.xii.1956, 22m. from Kaduna on 



