172 PROCEEDINGS OF THE NATIONAL MUSEUM vol.99 



Uuiv. Wisconsin Studies, No. 1, p, 18, 1920 (mouth Rfo Bue, Lake Valencia, 

 Venezuela). 



Aequidens tetramerus Beebe, in part, Zoologies, vol, 28, No. 3, pp. 13-16, pi. 1, 

 1943 (Caripito, Venezuela). 



Acara vittata Ihering, Rev. Mus. Paulista, vol. 7, p. 310, 1907 (Rio Cabriales, 

 Venezuela) . 



Acara pulchra Pellegrin, Mem, Soc. Zool. France, vol. 16, p. 176, 1903 (Mara- 

 caibo). — Regan, Ann. Mag. Nat. Hist., ser. 7, vol. 15, p. 335, 1905 (Vene- 

 zuela); Proc. Zool. Soc. London, 1906, pt. 1, p. 392, pi. 25, fig. 1 (Venezuela). 



Aequidens vittata Fowler, Proc. Acad. Nat. Sci. Philadelphia, vol. 95, p. 264, 1943 

 (Cucuta, Colombia, Maracaibo Basin). (The other specimen listed by Fowler 

 from Florencia, Colombia, probably is not vittata.) 



U.S.N.M. No. 121639, 81 specimens, 11 to 83 mm., from the Rio San Pedro at 

 bridge, Motatdn system, March 20, 1942. 



U.S.N.M. No. 121651, 108 specimens, 10 to 79 mm., Rio San Juan near bridge, 

 south of Mene Grande, March 17 and 20, 1942. 



U.S.N.M. No. 121638, 7 specimens, 17.5 to 38 mm., Rio Ap6n, about 35 km. 

 south of Rosario, February 26, 1942. 



U.S.N.M. No. 121642, 12 specimens, 11 to 98 mm., Lago Tul6, about 75 km. 

 west of Maracaibo, March 1, 1942. 



U.S.N.M. No. 121640, 2 specimens, Rfo San Ignacio, pool in drying up stream, 

 20 km. south of Rosario, February 26, 1942. 



U.S.N.M. No. 121645, 4 specimens, 25 to 71 mm., Rio Motatdn, 8 km. below 

 Motatdn, March 24, 1942. 



U.S.N.M. No. 121643, 6 specimens, 16 to 23 mm., Rfo Socuy, 3 km. above mouth, 

 February 24, 1942. 



U.S.N.M. No. 121657, 46 specimens, 21 to 101 mm., cano }i mile west of Sina- 

 maica, March 11, 1942. 



U.S.N.M. No. 121647, 30 specimens, 11 to 79 mm., Rfo Machango at bridge 

 south of Lagunillas, March 16, 1942. 



U.S.N.M. No. 121650, 7 specimens, 20 to 57 mm., Rfo Palmar near Totuma, 

 about 100 km. southwest of Maracaibo, February 21, 1942. 



U.S.N.M. No. 121655, 13 specimens, 61 to 80 mm., Salina Rica (brackish water), 

 5 km. north of Maracaibo, February 20, 1942. 



U.S.N.M. No. 121656, a specimen, 10 mm., Cano de Sagua, 25 km. north of 

 Sinamaica (salt water), March 12, 1942. 



U.S.N.M. No. 121653, 15 specimens, 11 to 74 mm., Rfo Negro below mouth of 

 Rfo Yasa, March 2, 1942. 



U.S.N.M. No. 121654, 5 specimens, 17 to 25 mm., in creek below warm spring 

 tributary to Rfo Machango, 20 km. above bridge south of Lagunillas, March 21, 

 1942. 



U.S.N.M. No. 121644, 10 specimens, 26 to 50 mm., Rfo Machango, 20 km. 

 above bridge south of Lagunillas, March 21, 1942. 



U.S.N.M. No. 121646, 40 specimens, 16 to 65 mm., Rfo San Juan at bridge 

 south of Rosario, February 26, 1942. 



U.S.N.M. No. 121637, 2 specimens, 15 and 15.5 mm., Lago de Maracaibo oppo- 

 site Salina Rica, 5 km. north of Maracaibo. February 20, 1942. 



U.S.N.M. No. 121648, 25 specimens, 8 to 81 mm., Ci6naga del Guanavana about 

 10 km. north of Sinamaica, March 11, 1942. 



U.S.N.M. No. 121641, 4 specimens, 28 to 37 mm., Lago de Maracaibo at 

 Maracaibo Yacht Club, February 27, 1942. 



U.S.N.M. No. 121652, 4 specimens, 19 to 28 mm., Rfo Palmar at bridge, 70 km. 

 southwest of Maracaibo, March 6, 1942. 



