NO. 3538 CHARACID FISHES — WEITZMAN 27 



62°20' W., September 1912, Edgar A. Smith.— Eleven, MCA 19797, plus 2 ali- 

 zarin specimens SU 50249, SL 16.3-19.4 mm., Brazil, State of Amazonag, Mandos, 

 1865, Louis Agassiz.— Two (male figured), SU 50248, SL 24.1-24.5 mm., Brazil, 

 Para, Igarape do Sapucud, into Lagoa Sapucud. (This lake drains into the Rio 

 Trombetas. The Trombetas flows into the Amazon from the north about 25 

 miles west of Obidos.), June 7, 1924, Carl Ternetz.— Fifteen, SU 50250, three 

 alizarin preparations SU 50251, SL 18.0-22.8 mm., Brazil, State of Amazonas, 

 Igrape do Mai Joana, a tributary of the Rio Negro near Manaos, Dec. 25, 1924, 

 Carl Ternetz. — One, SU 18471, SL 27.6 mm., (a large adult male), an aquarium 

 specimen sent to Dr. George S. Myers by Mr. Frederick Stoye. — Eight, SU 51024, 

 SL 14.8-16.0 mm., British Guiana, Rupununi District, Nappi River, Rio Branco 

 drainage, about lat. 30°30' N., long. 59°32' W., Sept. 29, 1957, Rosemary Lowe 

 (McConnell). — One, SU 51025, SL 15.5 mm., British Guiana, Manawarin River, 

 a tributary of the Moruka River about lat. 7°30' N., long. 59°11' W., July 16, 

 1957, Rosemary Lowe (McConnell).— One, SU 51026, SL 16.0 mm., British 

 Guiana, Kumarow Creek pool into the Rupununi River, a tributary of the 

 Essequibo River, Dec. 10, 1957, Rosemary Lowe (McConnell). — One, SU 50448, 

 SL 17.2 mm., British Guiana, pool near Takatu River, Rio Branco drainage, 

 Emprensa, Rupununi District, Dec. 8, 1957, Rosemary Lowe (McConnell). — 

 One, SU 50450, SL 19.5 mm., British Guiana, Kumarow Creek Pool which flows 

 into the Rupununi River in southern savannas of the Essequibo River Drainage, 

 Dec. 10, 1957, Rosemary Lowe (McConnell). 



Nannostomus trifasciatus Steindachner 



Figure 7 



Nannostomus trifasciatus Steindachner, 1876, p. 123, pi. 9, fig. 2 (original 

 description; localities: backwaters and quiet tributaries of the Amazon close 

 to mouth of the Rio Negro, Brazil; also Amazon at Tabatinga; types in 

 Vienna museum). — Eigenmann and Eigenmann, 1891, p. 49 (listed). — 

 Eigenmann, 1910, p. 427 (listed). — Innes, 1935, p. 155 (description from life 

 and photograph) and later editions. — Hoedeman, 1950, p. 18 (description). — 

 Axelrod and Schultz, 1955, p. 248 (description, aquarium notes). — Sterba 

 and Tucker, 1962, p. 212 (description and aquarium notes). 



tCyprinodon amazona Eigenmann, 1894, p. 627 (in part; original description; 

 type locality: Lower Amazonas; types apparently lost). — Garman, 1895, 

 p. 28 (in part; copied description). — Hubbs, 1926, p. 16 (in part; discussion 

 of identity). — Fowler, 1954, p. 216 (in part; listed). 



Poecilohrycon erythrurus Eigenmann, 1909, p. 44 (original description; type 

 locality: Rockstone, British Guiana; holotype in Chicago Natural History 

 Museum). — Eigenmann, 1910, p. 427 (listed). — Eigenmann, 1912, p. 285, 

 pi. 37, fig. 3 (description). 



TCyprinodon amazonus Eigenmann, 1910, p. 456 (in part; listed). 



Poecilohrycon vittatus Ahl, 1933, p. 84, fig. (original description; type locality: 

 "Pard"; type presumably in Berlin Museum); 1934, p. 124 (a longer, more 

 useful description ; no figure) . 



Nannostomus trilineatus (lapsus for trifasciatus) Innes, 1933, p. 142 (description 

 from life). — Ladiges, 1948, p. 30 (description from life). 



NoMBNCLATURAL NOTE — The identity of Cyprinodon amazona is in 

 doubt, but it seems most likely the fish is a synonym of either Nanno- 

 stomus trifasciatus or Nannostomus marginatus. Eigenmann de- 



