380 TELEOSTEI 



cavity below the trunk -muscles and acts as a lung (Fig. 369) 

 (Burne [75]). 



Sub-Family DIPLOMYSTACINAL In which the maxilla is still toothed, 

 and of considerable size. Diplomystax (Diplomystes), Dum. ; Chile. 



Sub-Family CLARIINAE. Clarias, Gron. ; Heterobranchus, St. H. 

 Africa and Asia ; Pliocene, India. Copidoglanis, Gthr. ; Asia, 



pmx 



pfsp 



Fio. 366. 



Synodontis schul, Schn. (After Briihl, modified). Skull, pectoral girdle and fin, anterioi 

 vertebrae, and dorsal fin. d, expanded cleithrum ; eth, mesethmoid ; /, prefrontal ; //, frontal : 

 iop, interopercular ; l.b, lower barbels ; rnx.b, maxillary barbel ; TO. or 2 , neural arch of second 

 vertebra ; op, opercular ; p.f.sp, pectoral-fin spine ; pi, lateral bony plate ; pmx, premaxilla ; 

 Dral ; pts, pterotic; r, dorsal radial; s, first dorsal spine?; soc, 

 second and third spines ; v*, fourth vertebra fixed to anterior 



ptf, postfrontal ; pst, post-temporal; pts, pterotic; 7-, dorsal radial; s, first dorsal spine?; soc, 



supraoccipital plate ; sp 2 and 3, s 



vertebrae. 



Australia. Cnidoglanis, Gthr. ; Australia. Channolabes, Gthr. ; Clariallabes, 

 Blgr. Africa, 



Sub-Family SILURINAE. &ilurus t L. (Fig. 370) ; Europe and Asia, 

 and Tertiary. Saccobranchus, C. and V. ; Helicopliagus, Blkr. Asia. 

 Pseudeutropius, Bl. ; Asia, and Tertiary. Eutropius, M. and T. ; Schilbe, 

 Cuv. Africa. Eumeda, Cost. ; Neosilurus, Stnd. Australia. 



Sub-Family BAGRINAE. Macrones, Dum. ; Rita, Bl. Asia, and 

 Pliocene. Arius, C. and V. ; tropics ; Eocene, Europe. Amiurus, Bl. ; 

 Asia, America ; Miocene, N. America. Rhineaster, Cope ; Eocene, 

 N. America. Bucklandium, Konig ; Eocene, England. Chrysichthys, 



