984 MR. C. TATE REGAN OK 



Garman, Mem. Mus. Oomp. Zool. xix. 1895, p. 82, pi. xi. 

 figs. 4-13. 



IIaplochik(,s mdanops Cope, Proc. Amer. Phil. Soc. xi. 1877, 

 p. 457. 



Zygonectes atrilatus Jord. & Brayton, Bull. U.S. Nat. Mus. xu. 

 1878, p. 84. 



2 . Depth of body 3| to 4 in the length, length of head 4. 

 Diameter of eye 3 to 3^ In length of head, interorbital width 2. 

 30 scales in a longitudinal series. Dorsal 8 ; origin above 

 posterior end of anal, equidistant from base of pectoral and base 

 of caudal ; longest rays | length of head. Anal 10. Pectoral 

 f length of head ; pelvics extending to origin of anal. Least 

 depth of caudal peduncle | length of head. Olivaceous ; usually 

 ix dark bar below the eye ; a blackish spot above the vent ; dorsal 

 and caudal fins with small dark spots. 



c? . Origin of dorsal fin equidistant from eye and base of 

 caudal. 



Virginia to Alabama. 



Here described from specimens from North Carolina and 

 Virginia, 3 females 38-48 mm, in total length and 2 males of 

 26 mm, 



2, GAMBUSIA PATRUEIilS, 



Heterandria patruelis Baird & Girard, Proc, Acad. Philad. 1854, 

 p. 390. 



Gamb'usia jyatruelis Girard, U.S. Mex. Bound, Surv,, Fish. p. 72, 

 pi, xxxix. figs, 1-7. 



2 . Depth of body 3 in the length, length of head 4. Diameter 

 of eye 3^ in length of head, interorbital width 2. 31 or 32 

 scales in a longitudinal series. Dorsal 7 ; origin behind end of 

 base of anal, nearer to base of caudal than to base of pectoi-al ; 

 longest rays I the length of head. Anal 10; first branched I'ay 

 longest. Pectoral 4 length of head ; pelvics extending to vent. 

 Least depth of caudal peduncle f length of head. Brownish 

 above, yellowish below ; dorsal and caudal fins with small dark 

 spots. 



, Florida to Texas. 



Here described from two specimens fr-om Pensacola {Jordav), 

 47 and 50 mm> in total length, 



3. Gambusia affinis. 



Heterandria affinis Baird & Girard, Proc. Acad. Philad, 1854, 

 p. 390. 



Gmnbusko affinis Girard, U.S. Mex. Bound. Surv., Fish. p. 72, 

 pi. xxxix. figs. 12-15 (1859); Giintli. Cat. Fish. vi. p. 336 

 (1866). 



Gambusia s2)eciosa Girard, Proc, Acad. Philad. 1859, p. 121, 



Gambusia gracilis Girard, 1. c. 



Gambusia hwmilis Glinth. t. c. p, 334. 



