332 Bullethi ^7, Ujiited States National Museum. 



Chaiiacinin.t, : 



cc. Teeth in premaxillary and mandible all tunical ; dorsal short; gill membranes 

 free from isthmus. 

 g. Teeth on the palate none ; anal fin long ; body oblong or elevated. 



/(. Scales very small; jaws with external tootli.-like processes; teeth in biwer 

 jaw nni-serial; in upper uniserial or irregularly biserial. 



KCEBOIDES, 143. 



hh. Scales of moderate size; jaws without tooth-like processes ; toetli in jaws 



uniserial. I?R,\M0(nAnAX, 144. 



gg. Teeth on the palate numerous, very small; head and body elongate; jaws very 



long; scales moderate, (43). Luciocharax, 145. 



138. CURIMATA (Cnvier) Cloquet. 



Les Ourimafes, Cutiek, Regne Animal, Ed. 1, 11, 165, 1817, {edentiiluH). 



Curimala, Cloquet, Diet. Sci. Nat., xii, 240, 1818, {edenhdn.s). 



Ourimatus, CirviER & Valenciennes, xxii, 5, 1849, (edentvhis). 



Onrimatella, Eigenmann & Eigenmann, Ann. N. Y. Ac. Sci., 1889, 7, {lepidurus). 



Semilapicis, EiGENMANN & Eigenmann, I. c, 9, (planiroslris). 



No teeth anywhere ; no gill-rakers. Body oblong or elevated, the out- 

 line of belly behind veutials trenchant or not, always with a median series 

 of scales which do not end in spinous processes. Lateral line complete. 

 Tongue short and thick, adnate ; no lips; margins of jaws trenchant. 

 Dorsal fin nearly median ; adipose fin present; anal moderate; ventrals 

 below the dorsal. Amazon region; one species north to Panama. (Citri- 

 mata, a Portuguese name used by Marcgrave, analogous to Queriman and 

 Curema.) 



5.51. CURIMATA MAGDALENiE, Stcindachner. 



(Sardina Blanca.) 



Head 3^ ; depth 4f ; eye 3| to 4J in head. D. Ill, 9 ; A. Ill, 7 ; scales 

 6-37-6. Body not greatly compressed; caudal short, its lobes equal. A 

 silvery lateral streak ; no caudal spot and no si^ot on dorsal. Rio Magda- 

 lena; and Rio Mamoni, Panama. (Stcindachner.) 



Curimatiis magdalenir, Steindachneh, Fisch-fauua dcs Magdalenen-stromes, .'54, 1878, Rio Mag- 

 dalena ; Steindachner, Flussfische Siidamerikas, i, 1G7, 1879. 



139. PIABUCINA, Cuvier & Valenciennes. 



Piahicina, CuviEU & Valenciennes, xxii, 101, 1849, {eriillirinoide!'). 



Body oblong, covered with moderate scales ; belly rounded. No lateral 

 line. Mouth moderate, the teeth rather small, tricuspid, those of the pre- 

 maxillary in one series, those of the mandible in two ; a few small teeth 

 on the maxillary; palate toothless. Nostrils close together. Gill open- 

 ings wide, the memltranes free from the isthmus. Anal fin short; dorsal 

 fin inserted just behind the ventrals. Adipose fin present. Species few. 

 (Diminutive of Piabuca, a related genus, Piabuca being a Brazilian name.) 



U;y2. PIABUCINA PANAMEXSIS, Gill. 



Head 3i ; depth 4. D. 10 ; A. 12 ; scales 30-8. Lower jaw slightly pro- 

 jecting ; maxillary reaching middle of eye : eye 4 in head, longer than 

 snout. Caudal eraarginate ; pectoral 4 in head, longer than ventrals. 



