82 KOTOPTERIDiE. 



In the Congo, X. nigri has been found principally in the grass of marshy creeks, 

 where it feeds on worms and insects ; its movements are very quick. 

 List of specimens examined : — 



1 Bahr-el-Gebel.— Dr. Marno, 1873. (Type o£ N. nili, Stdr.) 



1 G-ondokoro.— Dr. F. Werner, 1904. 



4 Lake Chad. — Capt. Gosling, 1905. 



1 Niger.— Fraser, 1851. (Type.) 



1 Gaboon.— R. B. N. Walker, 1868. 



1 Kondo-Kondo, Ogowe. — Miss Kingsley, 1895. 



1 Bangala Country, Congo. — De Meuse, 1896. 



2 Kutu, L. Leopold II. — Delhez, 1898. 

 1 Ibali, L. Leopold II.— Delhez, 1898. 



1 Congo, 50 miles S. of Mangala,— Rev. J. H. Weeks, 1895. 



1 Monsembe, Congo. — Rev. J. H. Weeks, 1901. 



1 Upper Congo. — Brussels University, 1899. 



1 Banzyville, Ubanghi. — Capt. Royaux, 1901. 



Through the courtesy of my friend Dr. F. Werner I have been favoured with the 

 loan of one of the type specimens of Notopterus nili, from Dr. Marno's collection, 

 preserved in the Zoological Museum of the University of Vienna. This is the 

 specimen figured on Plate XV. fig. 1. 



