ANNOTATED LIST OF THE SPECIES 393 
the head from the snout to the eye and cheek. In alcohol a longitudinal color-band 
can be seen in many. 
502. AXQuIDENS DoRSIGERUS (Heckel) 
Acara dorsigera Heckel, 1840, Ann. Wiener Mus., IT, 348; 
Steindachner, 1875, Sitzb. KIx. Akad. Wiss. Wien, LX-XI, 76. 
Aiquidens dorsigerus Pellegrin, 1903 (1904), Mém. Soc. Zool. France, XVI, 174; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 472. 
Nannacara dorsigera Ribeiro, 1918, Comm. Linhas Telegr. de Matto Grosso as Amazonas, 14. 
Astronotus (Acara) dorsigera Eigenmann and Higenmann, 1891, Proc. U. 8. Nat. Mus., XIV, 68. 
Amazonia to Paraguay basin 
17733, 7, 78-115 mm., creek, Rio Itaya, Allen, September, 1920. 
17737, 13, 15-38 mm., creeks, Iquitos, Allen, November, 1920. 
17749, 16, 45-103 mm., creeks, Yurimaguas, Allen, November, 1920. 
17779, 1, 60 mm., Iquitos, Morris, 1922. 
503. A£QUIDENS MARIAE Eigenmann 
quidens mariae Kigenmann, 1922, Mem. Carnegie Mus., IX, 240, pl. xxx, fig. 1, supplement on 
Rio Meta. 
Peruvian Amazon and Rio Meta 
17734, 2, 88 and 95 mm., Yarinacocha, Allen, August, 1920. 
17746, 4, 112-135 mm., Rio Morona, Allen, October, 1920. 
17747, 1, 146 mm., Rio Itaya, Iquitos, Allen, September, 1920. 
17748, 13, 30-68 mm., creeks, Yurimaguas, Allen, November, 1920. 
Known here and in eastern Colombia, having been collected by Brother 
Apolinar Maria and Manuel Gonzales on the Meta. 
504. ASQUIDENS FRENIFERUS (Cope) 
Acara freniferus Cope, 1871, Proc. Acad. Nat. Sci. Phila., XXIII, 255, Rio Ambyiacu; 
Pellegrin, 1903 (1904), Mém. Soc. Zool. France, XVI, 177. 
Equidens freniferus Kigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 472. 
Aquidens dorsigera Haseman, 1911c, Ann. Carnegie Mus., VII, 337. 
Astronotus (Acara) freniferus Eigenmann and Eigenmann, 1891, Proc. U. 8. Nat. Mus., XTV, 68. 
Peruvian Amazon 
Haseman studied the Cope material in the Philadelphia Academy and found 
none which could not be retained within the limits of A’. dorsigerus. 
505. AXquipeNs virratus (Heckel) 
Acara vittatus Heckel, 1840, Ann. Wiener Mus., I, 346. 
Acara vittata Pellegrin, 1903 (1904), Mém. Soc. Zool. France, XVI, 173. 
Aquidens vittatus Figenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 472; 
Haseman, 1911c, Ann. Carnegie Mus., VII, 335; 
Jigenmann, 1912, Mem. Carnegie Mus., V, 489; 
Fowler, 1939 (1940), Proc. Acad. Nat. Sci. Phila., XCI, 280, four, 80-129 mm., Contamana. 
