CHECK LIST OF FISHES 193 



1498. MoUienesia sphenops cuneata (Garman). 



Turbo, Gulf of Darien. 



PaecUia cuneata Garman, Mom., INhu':. Comp. Zool., XIX, 1895, 62, PI. 

 V, fig. 3, teeth, Turbo, Gulf of Darien. 



1499. MoUienesia sphenops vandepolli (Van Lindth de Jevuie). 



Tropical America, abundant in fresh-water pools. 



Poecilia vandepolli Van Lindth de Jeude, Notes, Leyden Mus., IX, 1887, 



137, Freshwater, Curagao. 

 Poecilia vandepolli arubensis Van Lindth de Jeude, loc. cit., 138, Aruba, 



one of the Leeward Islands. 



Genus 486. ALFARO Meek. 



Petalosoma Regan, Ann. Mag. Nat. Hist., (8), II, 1908, 462 (P. cul- 



tratum Regan, name preoccupied). 

 Alfaro Meek, Field Mus. Nat. Hist., Zool., X, September, 1912, 72 



{A. acutiveniris Meek). 

 Petalurichthys Regan, Ann. Mag. Nat. Hist., X, November 1912, 494 



{Petalosoma cultratum Regan; substitute for Petalosoma preoccupied). 



1500. Alfaro cultratus (Regan). 



Streams of Costa Rica. 



Petalosoma cultratum Regan, Ann. Mag. Nat. Hist., XI, 1908, 458, 



Rio Irociuois, Costa Rica. 

 Alfaro acutiventralis Meek, Field Mus. Nat. Hist., Zool., X, 1912, 72, 



Co.sta Rica. 



Genus 487. PIATYPOECILUS Gunther. 



Plaiypa'cilus Gunther, Cat., VI, 1866, 350 (P. maculaius Gunther). 



1501. Platypoecilus maculatus Gunther. Moonfish of the aquarists, 



Mexico. 



Platypoecilus maculatus Gunther, Cat., VI, 1866, 350, Mexico. 



Platypoecilus variatus Meek, Field Col. Mus., Zool., V, 1904, 145, 146, 

 San Luis Potosi, Mexico. 



Platypoecilus 7naculutus immaculatus Myers, Copeia, No. 113, Dec 20, 

 1922, 89, a form developed in an aquarium, therefore without stand- 

 ing in scientific nomenclature. 



1502. Platypoecilus couchianus (Girard). 



l{io Grande Basin. 



Limia couchiana Girard, Proc. Acad. Nat. Sci. Phila., XI, 1859, 116, 

 Rio San Juan, at Cadereita and Monterey, in Nuevo Leon, Mexico. 



Genus 488. XIPHOPHORUS Heckel. 



XiphophoTus Heckel, Sitzungsb. Kais. Akad. Wiss. Wien, I, 1848, pt. 

 3, 163 (A', helliri Heckel). 



1503. Xiphophorus helleri Heckel. Swordtail. 



Lowland streams of southern Mexico and Guatemala, of Atlantic 



drainage. 

 Xiphophorus helleri Heckel, Sitzungsb. Kais. Akad. Wiss. Wien, I, 



1848, pt. 3, 163, pi. 5, Rio Chisoy, Guatemala. 

 Xiphophorus jalapx Meek, Field" Col. Mus., Zool,, III, 1902, 107, 



Jalapa. 



1504. Xiphophorus helleri guntheri (Jordan and Evermann) 



Rivers of eastern slope of Guatemala. 



Xiphophorus guntheri Jordan and Evermann, Fish. North and Mid. 

 Amer., 1896, 702, Rio Chisoy (Usumacinta), Guatemala. 



1505. Xiphophorus helleri strigatus (Regan). 



.\tlantic slope of southern Mexico. 



Xiphophorus strigatns Regan, Ann. Mag. Nat. Hist., (7), XIX, 1907, 



65; streams of Atlantic slope of southern Mexico; Cordoba, (}axaca, 



etc. 



1506. Xiphophorus helleri rachovii (Regan). 



Atlantic slope of Guatemala. 



Xiphophorus rachovii Regan, Ann. Mag. Nat. Hist., (8), VIII, 1911, 

 374, Puerto Barrios between Lake Yzabal and Rio Motagua. 



