220 SILUEID.E. 



a. Teeth on the palate. 



Maxillary barbel teriuiiiating in a leaf-like 



expansion 18. Fli.>/llonemas, Blor., p. 340. 



/3. Palate toothless. 



Dorsal and pectoral fins with a punojent spine. 19. Leptoglanis, Blgr., p. 350. 



Dorsal and pectoral fins without spine ; pos- 

 terior nostril distant from the eye . . .20. Amphilias, Gthr., p. 353. 



Dorsal and pectoral fins without spine ; pos- 

 terior nostril close to the eye . . . .21. Paramplulius, Pellegr., p. 3()3. 

 h. Anterior nostril on upper lip, tubular; palate toothless. 



Dorsal with 7 branched rays; gill-membranes 



deeply notched ; eye without free border. 22. Parauclienoglaiiis, Blgr., p. 304. 



Dorsal with 7-8 branched rays ; gill-mem- 

 branes feebly notched ; eye with free 

 border 23. Auclieiuyjlanis, Gthr., p. o'i\(d. 



Dorsal with 14-15 branched rays ; gill-mem- 

 branes feebly notched ; eye without free 

 border 24. Notoglanidium, Gthr., p. 377. 



B. Gill-membranes not notched, forming a straight transverse fold or a very 

 open angle ; nasal barbels absent ; dorsal with 6-7 branched rays. 



Palate toothless ; nostrils rather widely sepa- 

 rated from each other 25. AncJiariKs, Stdr., p. 378. 



Teeth on vomer and pterygoids; nostrils close 



together 20. Galeicht/ii/s, C. & V., \). '6i>l. 



Teeth on pterygoids ; nostrils close together . 27. Arius, C. & V., p. 383. 



V. DoRADiNiE. — Dorsal fin short ; a second dorsal fin, adipose or rayed ; anal 

 short ; gill-membranes more or less grown to isthmus. 



A. Second dorsal fin adi[)0se, without rays ; movable, slender, curved teeth in 

 the n)andible. 



1. Mandibular barbels branched ; pircmaxillary teeth conical, not 



movable. 



Eye with free border 2S. S/fnodonti^t, Cuv., p. 31>1. 



Eye without free border 20. Micvo.^iiuodoniis, Blgr., p. 47(5. 



2. None of the barbels branched; mouth with a suckei'-like papillose 



circular lip. 



Prremaxillary teeth conical, not movable, man- 

 dibular pointed; eye without free border. 30. (luhxjlnnh, Peter.s, p. 478. 



Prjemnxillary teeth ])ointed, curved, nuindi- 

 i)ular with truncate or bicus{)id crowns ; 

 eye with free border 31. Ju(chilirhth>/s, Blgr., p. 4S(i. 



Pncmaxillary and mandibular toeth movable, 



with truncate c)-own>; eye with free border ;>2. AtojxK-liiluf. Sauv., p. 400. 



