CHECK LIST OF FISHES 249 



1946. Thyrina balsana (Meek). 



Mexico, Rio Balsas, Guerrero. 



Melaniris balsamis Meek, Vnh. Field Col. Miis., Zool., Ill, 1902, 117, 

 Rio Balsas, at Balsas. 



1947. Thyrina guatemalensis (Giinther). 



Lakes of Huamachal. 



Atherinichthys guatemalensis Giinther, Proc. Zool. Soc. London, 1864, 

 151, Lakes of Huamachal, Pacific coast of Guatemala. 



1948. Thyrina sardina (Meek). Sardina. 



Lakes Nicaragua and Managua. 



Melaniris sardina Meek, Field Col. Mus., Zool., VII, 1907, 114, Lake 



Managua, Nicaragua. 

 Chirostoma guatemalensis Gill, Proc. Acad. Nat. Sci. Phila., XXIX, 



1877, 187, Lake Nicaragua; not of Giinther. 



1949. Thyrina chagresi (Meek and Hildebrand). 



Streams of Atlantic slope of Panama. 



Menidia chagresi Meek and Hildebrand, Field Mus. Nat. Hist., Zool., 



X, 1914, 119, Rio Chagres at Gorgona, Zent and Parismina, Costa 



Rica. 



1950. Thyrina meeki MQler. 



Rio Motagua, Guatemala. 



Thyrina meeki Miller, Bull. Am^. Mus. Nat. Hist., XXIII, 1907, 

 110, fig. 2, Rio Motagna, east coast of Guatemala. 



Genus 654. THYRINOPS Hubbs. 



Thyrinops Hubbs, Proc. Acad. Nat. Sci. Phila., LXIX, 1918, 306 

 {Atherinichthys pachylepis Giinther). 



1951. Thyrinops pachylepis (Giinther). 



Panama. 



Atherinichthys pachylepis Giinther, Proc. Zool. Soc. Lond., 1864, 25, 

 Panama. 



Genus 655. MELANORHINUS Metzelaar. 



Melanorhinus Metzelaar, Tropisch Atl. Visschen, 1919, 38 {M. boeki 

 Metzelaar). 



1952. Melanorhinus boeki Metzelaar. 



West Indies. 



Melanorhinus boeki Metzelaar, Trop. .\tl. Vis.schen, 1919, 38, Oyster 

 Pond, St. Martin Island. 



Genus 656. XENATHERINA Regan. 



Xenatherina Regan, Biologia Centrali .\mer., Pisces, 1906, 64 (Menidia 

 lisa Meek). 



1953. Xenatherina lisa (Meek). 



Streams of Vera Cruz, Mexico. 



Menidia lisa Meek, p^ield Col. Mus., Pub. Zool., V, 1904, 182, Refugio, 

 Vera Cruz, Basin of Rio Papaloapam, Mexico. 



Genus 657. ATHERINELLA Steindachner. 



Atlterinella Steindachner, Ichth. Beitr., II, 1875, 35 (A. panamensis 

 Steindachner). 



1954. Atherinella panamensis Steindachner. 



Panama. 



Atherinella panamensis Steindachner, Ichth. Beitr., II, 1875, 35, 

 Panama. 



Genus 658. EURYSTOLE Jordan and Evermann. 



Euryslole Jordan and Evermann, Fishes North and Mid. Amer., 1896, 

 802 {Atherinella eriarcha Jordan and Gilbert). 



1955. Eurystole eriarcha (Jordan and Gilbert). 



West coast of Mexico; Mazatlan. 



Atherinella eriarcha Jordan and Gilbert, Proc. U. S. Nat. Mus., IV, 1881, 

 348, Mazatlan, Mexico. 



