102 HAPLOMI. 



Pwciha occidentalis, Garni. Mem. Mus. Comp. Zool. xix. 1895, p. 71°; Ruttcr, Proc. Calif. Ac. 

 Sci. (2) vi. 1896, pp. 2G1 " and .267'; Meek, Publ. Columbian Mus., Zool. v. 1904, p. 150'. 



Hal. Pacific Coast Rivers from Arizona to Jalisco : 



Rio Santa Cruz in Arizona i^i; Rio Sonora '^ and Rio Yaqni'^^ in Sonora ; 

 Tepic in Jalisco "''. 



3. PcEcilia elongata. 



PoxUia elongata, Giinth. Cat. Fisli. vi. p. 342 ' (1866), and Trans. Zool. Soe. vi. 1869, p. 484, t. 85. 

 fi^. 2' ; Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1896, p. 607' ; Gilb. & Starks, Mem. 

 Calif. Ac. Sci. iv. 1904, p. 54 '. 



Depth ot body 3^ to 4 in the length, length of head about 4. Snout as long as or a little shorter than eye, 

 the diameter of which is 3,i to 3| in the length of head. Interorbital width nearly equal to the distance 

 from the posterior edge of pupil to the free edge of operculam. 30 to 33 scales in a longitudinal series. 

 Dorsal 9-10; anterior angle acute, free edge straight, oblique; origin nearly equidistant from tip of 

 snout and posterior edge of caudal ( J ). Anal 8-9 ; origin a little in advance of that ot the dorsal. 

 Pectoral as long as the head. Caudal rounded. Least depth of caudal peduncle jr- to | the length of 

 head ( ? ). Olivaceous, with indistinct narrow cross-bars. 



Ilah. Panama 12 4. 



Here described from several specimens, including the types, all females, measuring 

 up to 130 mm. in total length. 



Pcecilia cuneata,GviTu\-An (Mem. Mus. Comp. Zool. xix. 1895, p. 62), from Turbo, 

 is described as having 28 to 29 scales in a longitudinal series, but is otherwise very 

 similar to F. elongata, with which it may prove to be identical. 



4. Pcecilia sphenops. (Tab. XIII. figg. 1-7.) 



Pacilia sphenops, Cuv. & Val. Plist. Nat. Poiss. xviii. p. 130, t. 526 (1846) ' ; Giinth. Cat. Fish. vi. 



p. 643(1866)-; Garman, Mem. Mus. Comp. Zool. 1895, p. 59'; Jord. & Everm. Bull. 



U.S. Nat. Mus. xlvii. 1896, p. 694*; Meek, Publ. Columbian Mus., Zool. v. 1904, p. 153, 



fig. 49 \ 

 PiMcilia mexicana, Steind. Sitzungsb. Ak. Wien, xlviii. 1863, p. 178, t. 4. fig. 1'; Guntli. t. c. 



p. 340 ' ; Jord. & Everm. t. c. p. 692 \ 

 Pmcilia thermalis, Steind. t. c. p. 181, t. 4. fig. 3°. 



XiiJwphorus gillii, Kner & Steind. Abliandl. Bayer. Ak. x. 1864, p. 28, t. 4. fig. 1 '". 

 V Gnmhusia riiodesta, Trosch. iu Miiller's Keise Mexico, iii. Append, p. 105 (1865) ". 

 ? Gambusia pl'umbea, Trosch. t. c. p. 106 '^ 



Pmcilia chisoyensis, Giintli. t. c. p. 342 " ; Jord. & Everm. t. c. p. 693 ^'. 

 Pacilia dovii, Giinth. t. c. p. 314''; Jord. & Everm. t. c. p. 695 '"'. 

 Pmcilia (jillii, Giinth. Trans. Zool. Soc. vi. 1869, p. 485 ". 

 y Ptatijp<x;cilus mentalis, Gill, Proc. Ac. Philad. 1876, p. 335 ". 

 PmcUia vandepolli, Van Lidtli de Jeude, Notes Leyden Mus. ix. 1887, p. 438 '' ; Jord. & Everm. 



t. c. p. 696 '-'. 

 Pvcilia vundepolli arubensis, Van Lidth de Jeude, 1. c. ^' ; Jord. & Everm. 1. c."\ 

 Pwcilia boucardii, Steind. Sitzungsb. Ak. Wien, Ixxvii. 1878, p. 386, t. 3. figs. 2 & 3"; Jord. & 



Everm. t. c. p. 695 " ; Gilb. & Starks, Mem. Calif. Ac. Sci. (2) iv. 1904, p. 51 ''''. 



