190 V. S. BUREAU OF FISHERIES 



1474. Pcecilistes pleurospilus (Giinther). 



Streams of Guatemala. 



Girardinus pleurospilus Giinther, Cat., VI, 1866, 353, Lake Duefias, 



Guatemala. 

 Heterandria lutzi Meek, Field Col. Mus., Zool., V, 1904, 148, fig. 47, 



Orizaba, Mexico. 

 Priapichthys letonai Hildebrand, Bull. U. S. Bur. Fish., XLI, 1925, 



258, Rio San Miguel, San Salvador. 



Genus 479. AULOPHALIUS Hubbs. 



Axdophallus Hubbs, Univ. Mich. Mus. Zool. Misc. Pub. No. 16, July 

 9, 1926, 69 {Paecilia elongata Giinther). 



1475. Aulophallus elongatus (Giinther). 



Panama, a large marine species quite unlike PoEcilia in habits. 

 Paecilia elongata GUnther, Cat., VI, 1866, 342, Panama. 



Genus 480. PHALLICHTHYS Hubbs. 



Phallichthys Hubbs, Univ. Mich. Mus. Zool. Misc. Pub. 13, Jan. 18, 

 1924, 10, {Pceciliopsis isthmensis Regan). 



1476. Phallichthys amates (Miller). 



Motagua Basin, Guatemala. 



Paecilia aviates Miller, Bull. Amer. Mus. Nat. Hist., XXIII, 1907, 108, 



fig. 1, pond and its outlet, Los Amates, an affluent of the Motagua 



River, Guatemala. 



1477. Phallichthys pittieri (Meek). 



Costa Rica. 



Poicilia pittieri Meek, Field Mus. Nat. Hist., Zool., X, 1912, 71, La 



Junta, Costa Rica. 

 Pceciliopsis isthmensis Regan, Proc, Zool. Soc. Lond., 1913, 997, PI. 



C, figs. 3, 4, and text fig. 171 B, Colon, Panama. 



Genus 481. XENOPHALLUS Hubbs. 



Xenophallus Hubbs, Mus. Zool. Univ. Mich. Misc. Pub. 13, Jan. 18, 

 1924, 10 {Gambusia umbratilis Meek.) 



1478. Xenophallus umbratilis (Meek). 



Streams of Costa Rica. 



Gambusia umbratilis Meek, Field Mus. Nat. Hist., Zool., X, 1912, 70, 

 Costa Rica. 



Genus 482. PCECILIA Schneider. 



Paecilia Schneider, ed. Bloch, Syst. Ichth. 1801, 452 (P. vivipara Bloch 

 and Schneider); not Poecilus of genus of beetles. 



Alazon Gistel, Thierreich, X, 1848 {Paecilia vivipara Schneider); sub- 

 stitute for Paecilia, regarded as preoccupied. 



Acropaecilia Hilgendorf, Sitzungsb. Naturf. Freunde, 1889, 52 (Paecilia 

 tridens Hilgendorf). 



Neopaecelia Hubbs, Univ. Mich. Mus. Zool., Misc. Pub. 13, 1924 {N. 

 holacanthus Hubbs). 



1479. Poecilia vivipara Bloch and Schneider. 



Rivers of Brazil; Guiana; Martinique; Porto Rico. 



Poecilia vivipara Bloch and Schneider, Syst. Ichth., 1801, 452, pi. 86, 

 fig. 2, Surinam. 



Poecilia surinamensis Valenciennes, Humboldt, Observ. Zool., II, 1817, 

 158, pi. 51, fig. 1, Surinam. 



Paecilia schneideri Cuvier and Valenciennes, Hist. Nat. Poiss., XVIII, 

 1846, 102 (135), Surinam. 



Neopoecilia holacanthus Hubbs, Univ. Mich. Mus. Zool., Misc. Pub. 

 No. 13, Jan. 18, 1924, 11, based on material recorded as Paecilia vivi- 

 para Evermann and Marsh, Bull., U. S. Fish Com., XX, 1900, first 

 part (1902), 97, from Porto Rico (Ponce, Fijaro, Arroyo, and Hu- 

 cares) . 



1480. Poecilia tridens Hilgendorf. 



Streams of Haiti. 



Poecilia (Acropaecilia) tridens Hilgendorf, Sitzungsb. Naturf. Freunde, 

 1889, 52, Port au Prince. 



