l^EPvTHES' MAP OF AFEICA. 199 



to about 1 5° 53' S., 34° 30' E., is indicated as the " Northern 

 Limit of Tsetse-Ply." Besides the above, " Tsetse-fly " is 

 shown as occurring to the N.E. of Tette, S.W. of the 

 intersection of the 16th parallel S. lat., and 34th meridian 

 E. long., and also at the southern end of Lake Nyasa, on 

 the western side of the southern extremity of the bay to 

 the west of the promontory on which Livingstonia is 

 situated. Two localities bear the words *' No Tsetse-Fly " ; 

 the first a valley among the foot-hills to the east of the 

 Umvukwe Mountains, in the Makorikori country : approxi- 

 mate geographical position, 16° 55' S., 31'' 40' E. ; the 

 second a portion of the valley of the Vilange River, an 

 affluent of the Revuqwe, approximate geographical posi- 

 tion, 14° 57' S., 34^ 14' E.] 



99. 1887. Josef Chavanne. 



" BeJSEN UND FoRSCHUI^GEN IM AliTEN UND NEUEN 



KoNGOSTAATE IN DEN Jaheen 1884 UND 1885" (Jena: 

 Hermann Costenoble), p. 365. 



The fact that cattle thrive fairly well, in spite of an 

 only moderate supply of unsatisfactory fodder, shows 

 that the region of the Lower Congo is free from 

 Tsetse-fly.* 



100. 1887. Hermann Habenicht. 



Justus Perthes' Spezialkarte von Aprika, ent- 

 worfen von Hermann Habenicht (Gotha, April, 1887). 

 Scale 1 : 4,000,000. 



Sections 9 (" Capland ") and 10 (" Delagoa Bai ") show 

 by means of dotted lines the limits of the Tsetse-fly north 

 and south of the Limpopo, and south of the Zambesi. 



101. 1887. Dr. C. W. Schmidt 



Berliner Entomologische Zeitsehift, XXXI. Band, 

 p. 368. 



Tsetse-fly stated not to occur in Usambara and Bondei 

 [districts near the Pangani River, German East Afriga], 

 Cattle can therefore be kept on a large scale in XJsambara.f 



102. 1888. A. Laboulbene. 



Annales de la SocietS Entomologique de France, 6^ Serie, 

 Tome Huitieme, Bulletin, pp. Ixxxviii, clviii. 



* [Cf. 80.] 



t Cf., however, Dr. Stuhlmann'g statements [XXVI.]. 



