442 GEOGRAPHICAL ZOOLOGY. [part iv. 



(15 sp.), Java, Sumatra, and Borneo, with a species in the 

 Ganges, in Siam, and (?) in Amboyna; Callichrous (10 sp.), 

 Afghanistan to Borneo and Java; Schilbe (5 sp.), Tropical Africa; 

 Eutropius (6 sp.), Tropical Africa and Central India ; Hemisilurus 

 (2 sp.), Java and Sumatra ; Siluranodon (1 sp.), Nile ; Ailia 

 (2 sp.), Bengal ; SchilUchthys (1 sp.), Bengal ; Lais (1 sp.), Java, 

 Sumatra, Borneo ; Pseudeutropius (6 sp.), India and Sumatra ; 

 Pangasius (7 sp.), Ganges, Sumatra, Java, Borneo; Helicophagus 

 (2 sp.), Sumatra ; Silondia (1 sp.), Ganges. 



Sub-family 3 (Silurid^ Anoma.lopter^) is confined to 

 Equatorial America ; it consists of the group Hypopthalmina, 

 containing 2 genera : Helogenes (1 sp.), Hypopthalmus (4 sp.), 

 from the country north of the Amazon, Surinam, and the Eio 

 Negro. 



Sub-family 4 (Silueidje Proteropter^) ranges over all the 

 tropical and most of the temperate parts of the globe, except 

 Europe and Australia. It consists of four groups : Bagrina 

 (16 genera), ranging over most of the Old World and North 

 America; Pimelodina (15 genera), confined to Tropical America, 

 except one genus which is African; Ariina (10 genera), aU 

 Tropical regions ; and Bagarina (3 genera). Oriental region. The 

 distribution of the genera is as follows : — 



Bagrus (2 sp.), Nile ; Chrysichthys (5 sp.). Tropical Africa ; 

 Clarotes. (1 sp.), Upper Nile; Macrones (19 sp.), India, Ceylon 

 to Borneo, and one species in, Asia Minor ; Pseuddbagrus (4 sp.), 

 Japan, China, and Cochin China ; Liocasds (5 sp.), Japan, China, 

 Java, Sumatra, and Borneo ; Bagroides (3 sp.), Sumatra and 

 Borneo ; Bagrichthys (1 sp.), Sumatra and Borneo ; Rita (5 sp.), 

 Continental India and Manilla; AcrocJiordonichthys (6 s p.), Java 

 and Sumatra ; Akysis (3 sp.), Java and Sumatra ; Olyra (1 sp.), 

 Khasya; Branchiosteus (1 sp.), Khasya; Amiurus (13 sp.), 

 Nearctic region to Guatemala and China ; Hopladclus (1 sp.), 

 North America; Noturus (4 sp.), North America; SoruUm 

 (1 sp.), Amazon ; Platystnma (11 sp.), Tropical South America; 

 HemisoruUm (1 sp.) Eio Negro, Brazil; Platistomatichthys 

 (1 sp,), Rio Branco, Brazil ; Phradocephalus (1 sp.), Amazon ; 

 Piramutana (2 sp.), Equatorial America; Platynematichthys 



