March, 1914. List of Fishes of Costa Rica — Meek. 115 



San Jose, April 19 (100), 28 to 70 mm.; San Jose, April 18 (150), 30 to 

 65 mm.; Parismina (24), 35 to 75 mm.; Guapilis (6), 35 to 45 mm. 



Pseudoxiphophorus terra bensis (Regan). 



Gambusia terrabensis Regan, Ann. & Mag. Nat. Hist., 1907, 260 

 (Rio Grande de Terraba); — Regan, Biol. Cent. Amer., 1907, 

 97, pi. XII, fig. 7 (Rio Grande de Terraba, Costa Rica). 



Pseudoxiphophorus terrabensis Regan, Ann. & Mag. Nat. Hist., 

 1 913, 993 (Rio Grande de Terraba, Costa Rica). 



I did not obtain any specimens of this species. 



Brachyrhaphis rhabdophora (Regan). 



Gambusia rhabdophora Regan, Ann. & Mag. Nat. Hist., 1908, 457 

 (Volcano of Tenorio, and Rio Grande de Terraba, Costa Rica). 



Brachyrhaphis rhabdophora Regan, Ann. & Mag. Nat. Hist., 1913, 

 997 (Costa Rica). 



None of this species was taken by me. 



Brachyrhaphis umbratilis (Meek). 



Gambusia umbratilis Meek, Pub. Field Mus., Zool. Ser., 191 2, 70 



(Guapilis, Costa Rica). 

 Virginia (22), 30 to 52 mm.; Guapilis (60), 38 to 49 mm. ' 



Poeciliopsis retropinna (Regan). 



P Cecilia retropinna Regan, Ann. & Mag. Nat. Hist., 1908, 458 



(Boruca, Costa Rica). 

 Poeciliopsis retropinna Regan, Ann. & Mag. Nat. Hist., 1913, 997 



(Costa Rica). 

 No specimens were secured by me. 



Poeciliopsis pittieri (Meek). 



Poecilia pittieri* Meek, Pub. Field Mus., Zool. Ser., x, 1910, 71 



(La Junta, Costa Rica). 



Poeciliopsis pittieri Regan, Ann. & Mag. Nat. Hist., 1914, 997. 



This species was taken in swift rocky streams on the Atlantic side. 



It is not so abundant as the preceding. The long, modified anal of the 



* This species was named for Dr. Henry Pittier, who has done very much to 

 advance our knowledge of the natural history of Costa Rica. 



