696 Bulletin 4y, United States J^ational Museum. 



back ill male. Dorsal, caudal, and pectoral dark grayish, the dorsal punc- 

 tate in both sexes, the spots arranged in several rows, sometimes gath- 

 ered in blotches; caudal with cross rows of dots; anal dotted in old 

 females only ; sides of body with faint, dark-gray cross bands. Length 3 

 inches. Streams at Colon, on the Atlantic side of the Isthmus of Panama. 

 (Steiiidachner.) (Named for Alphonse Boucard, the ornithologist, who 

 collected in tropical America.) 

 Paci7(a toucanZi, Steincachneu, Ichtb. Beitr., vi, 8, 1878, Colon; Aspinwall. 



1032. P(ECILIA VANDEPOLLI, Van Lidth de Jeude. 



Depth 3; D. 8; A. 9 ; scales 25 to 27-9. Eye 3 in head. Female with 

 the anal a very little behind dorsal ; male with the anal much advanced 

 and the ventrals produced ; outer teeth curved, all of tliem brown at tiji. 

 Yellowish brown, silvery below; a dark spot behind interorbital region, 

 continued as a dark line along middle of back; dark edges of scales giv- 

 ing the body a reticulated ajipearance ; sometimes faint cross-bands on 

 tail , male sometimes with a black spot as large as eye above and behind 

 root of pectoral. Length If inches. Brooks on the island of Curayao, 

 one of the Leeward Islands in the Caribbean Sea. (Lidth de Jeude.) 

 (Named for J. R. H. Neervoort van de Poll, its collector.) 



Puecilia vandepolU, Van Lidth de .Ieude, Notes from Leyden Museum, ix, 438, 1887, Cura9ao, 

 one of the Leeward Islands. (Coll. Neervoort van de Poll). 



Rei^resented in the brooks of the neighboring island of Aruba by 



1032a. PffiCILIA VANDEPOLLI ARUBENSIS, Van Lidth de Jeude. 



Body deeper, the depth 3J in length ; anal more advanced in females, 

 opposite dorsal fin. Dorsal and caudal with black lines and spots, the 

 color otherwise as in P. vandepolU. ■ Length 2i inches. Streams of Aruba. 

 (Van Lidth de Jeude.) 



Poecilia vandepolU arubensk, Van Lidth de Jeude, Notes from Leyden Museum, ix, 438, 1887, 

 Aruba, one of the Leeward Islands. (Coll. Neervoort van de roll). 



1033. P(ECILIA BOMINICENSIS, Cuvier & Valenciennes. 



Head 4 ; depth 3f . D. 8 ; A. 7 or 8 ; scales 28-8. Origin of dorsal a 

 little nearer root of caudal than to occiput, nearly opposite that of 

 anal ; dorsal and anal fins small, rounded. Tail of moderate height, its 

 least depth less than length of head without snout. A dark line along 

 the middle of the back ; sometimes irregular, indistinct blackish spots 

 on the back ; caudal with 2 light-brownish cross-bands. San Domingo 

 and Barbadoes. Known from females only. (Giinther.) 



PtfciZi'a rfominicensis, CuviEE & Valenciennes, Hist. Nat. Poiss., xvm, 131, jd. 525, 1846, San 

 Domingo; Gijnthee, Cat. vi, 346, 1866. 



1034. PffiCILIA MELANOGASTER, Giinther. 



Head 3f ; depth 3^. D. 8 ; A. 8 ; scales 26-8. Eye of full-grown speci- 

 mens somewhat more than length of snout, 3J in head, and more than 

 half width of interorbital space. Origin of dorsal midway between 

 root of caudal and occiput, over eleventh scale of the lateral series, 



