464 cichlid^:. 



in the Gambia, and brought home alive on September 28th, 1900, when about 

 35 millim. long, grew to a large size in Capt. Vipan's aquarium at Stibbington Hall, 

 and when it died in November 1905 it had reached the exceptional length of 

 150 millimetres. The specimen has been presented by Capt. Vipan to the British 

 Museum. 



Hemichromis bimaculatus has a wide distribution, being known from Lake Mareotis, 

 the White Nile, the Bahr-el-Gebel, the northern parts of the Algerian Sahara, West 

 Africa from the Senegal to the Congo, and from the Upper Congo and the Ubanghi. 

 I have examined the following specimens : — 



1 Lake Mareotis. — Letourneux, 1880. (One of the types of II. letourneuxii.) 



25 Kaka, White Nile.— Loat, 18.4.01. 



150 Gharb-el-Aish.— Loat, 6-14.4.01. 



12 Fashoda, in a kore. — Loat, 14-31.3.01. 



1 Mouth o£ Lake No.— Loat, 25.2.01. 

 5 Lake No.— Loat, 22.2.01. 



9 Gondokoro.— Loat, 20.1-27.2.02. 



3 Wed Rir, Prov. Constantine, Algerian Sahara. — Holland. (Types of II. rolandi.) 



2 Wed Rir.— Holland. (Types of II. Sahara?.) 

 1 Gambia;— Budgett, 1900. 



10 Freetown, Sierra Leone. — Dinzey, 1888. 



1 Freetown, Sierra Leone. — Dr. Hopkins, 1899. 



1 Dunkwa R., Gold Coast,— R. B. N. Walker, 1902. 



2 Niger. — Dalton, 1865. 



4 Sapelle, Lower Niger. — Dr. Ansorge, 1900. 

 4 Abo, Lower Niger. — Dr. Ansorge, 1901. 



1 Agberi, Lower Niger. — Dr. Ansorge, 1901. 



1 Ossomari, Lower Niger. — Dr. Ansorge, 1901. 



1 Old Calabar.— Rutherford, 1880. 



2 Efulen, South Cameroon. — G. L. Bates, 1905. 



1 Gaboon. 



2 Ogowe. — Miss Kingsley, 1895. 



1 Boma, Lower Congo. — Delhez, 1899^ 



9 Monsembe, Upper Congo. — Rev. J. H. Weeks, 1896-1901. 



2 Banzyvilie, Ubanghi. — Capt. Royaux, 1901. 

 2 ? (Types of II. guttatus *.) 



Although I have examined over two hundred and fifty specimens of this species, I 

 have never come across one with more than 3 spines in the anal fin. The number of 



* These specimens have been erroneously described as from the Cape o£ Good Hope, and Dr. Pellegrin 

 still includes the Cape in the habitat of II. bimaculatus on this indication. The original label bears the 

 indication " Cape or Ceylon ? Purchased of Mr. Stevens, I860." 



