THE CATFISHES OF VEISTEZUELA SCHULTZ 265 



ACANTHOPOMA BONDI Myers 



Acanthopoma bondi Myers, Stanford Ichth. Bull., vol. 2, No. 4, p. 97 fig. 5, 

 1942 (Rfo Apure at San Fernando de Apure; Rfo Gudrico at El Sombrero, 

 Venezuela) . 



Genus OCHMACANTHUS Eigenmann 



Ochmacanihvs Eigenmann, Mem. Carnegie Mus., vol. 5, p. 213, 1912. (Type, 

 Ochmacanihus flahellifenis Eigenmann.) 



KEY TO THE SPECIES OF OCHMACANTHUS REPORTED FROM VENEZUELA 



la. Marking variable, a double or triple series of large, irregular, alternating 

 blotches with narrow interspaces, the spots usually partially coalescing 

 forward on back; some specimens finely mottled; caudal mottled, in .some a 

 dark medium streak to tip; head h)i, depth 5J4 in standard length; dorsal 

 rays 8, anal 8, pectoral 6; eye 4)4 in head. 



Ochrn acanthus alternus Myers 



lb. Back mottled, a single series of oblong dark patches of unequal length down 

 middle of sides to caudal base; head 6, depth C^^ in standard length: 

 eye 4 in head; dorsal rays 8, anal 7, pectoral 5. 



Ochmacanthus Orinoco Myers 



OCHMACANTHUS ALTERNUS Myers 



Ochmacanthus alternus Myers, Bull. Mus. Comp. Zool., vol. 68, No. 3, p. 129, 

 1927 (Cafio de Quiribana, near Caicara, Venezuela'), 



OCHMACANTHUS ORINOCO Myers 



Ochmacanthus Orinoco Myers, Bull. Mus. Comp. Zool., vol. 68, No. 3, p. 130, 

 1927 (Playa Matepalma, Orinoco, Venezuela). 



Subfamily Vandi lliinae 



Genus VANDELLIA Cuvier and Valenciennes 



Vandellia Cuvier and Valenciennes, Histoire naturelle des poissons, vol. 18, 

 p. 386, pi. 547, 1846. (Type Vanddlia cirrhosa Cuvier and Valenciennes.) 



KEY TO THE SPECIES OF VANDELLIA REPORTED FROM VENEZUELA (AFTER 



EIGENMANN) 



la. Dorsal rays 8 or 9; anal 9 or 10; pectoral 6; depth 9 in standard length; pre- 

 maxillaries with 5 to 8 teeth; maxillary barbel 2 in the head; caudal fin 

 slightly emarginate, the lobes rounded, equal; pectorals longer than head. 



Vandellia cirrhosa Cuvier and Valenciennes 



lb. Dorsal rays 9; anal 8; pectoral 7; depth 12; premaxQlaries with 5 to 9 teeth; 

 maxillary barbels less than half length of head; caudal emarginate, lobes 

 rounded; pectorals as long as head Vandellia plazaii Castelnau 



VANDELLIA CIRRHOSA Cuvier and Valenciennes 



Vandellia cirrhosa Cuvier and Valenciennes, Histoire naturelle des poissons, 

 vol. 18, p. 386, pi. 547, 1846.— PellegrixN, Bull. Soc. Philom. Paris, vol. 1, 

 p. 198, 1909 (Apure).— Eigenmann, Mem. Carnegie Mus., vol. 7, No. 5, p. 

 361, fig. 29, 1918 (Apure, Orinoco). 



VANDELLIA PLAZAII Castelnau 



Vandellia plazaii Castelnau, Expedition dans les parties centrales de TAm^rique 

 du Sud . . ., vol. 3, Poissons, p. 51, pi. 28, fig. 1, 1855. 



