1897.] NATURAL SCIENCES OF PHILADELPHIA. 97 



PCECILIIDJE. 



30. Gambusia punctulata Poey. 



Gambusia pu/ir/u la fa ~Poey, Memorias, I, 386, 1855 (Cuba); Jordan & Ever- 

 mann, Irishes of North America, 680. 



The anal fin has 9 rays, 10 or 11 counting rudiments, the oblique 



bar under the eye is indistinct in some specimens and wanting in 



others. 



ESOCTDJE. 



31. Tylosurus raphidonia (Ranzani). Guard Fish. 



Belone raphidonia Ranzani, Nov. Comm. Ac Nat. Sci. Inst. Bonon., V, 

 1842, 359, pi. 37, fig. 1 (Brazil). 



Tyloswus raphidonia, Jordan & Evermann, Fishes of North America, 716. 



HEMIRAMPHIDJE. 



32. Hyporhamphus unifasciatus (Ranzani 1 ). Balahoo Piper; Half Beak. 



Hemirhampkus uni fascia/us Ranzani, Nov. Comm. Ac Sci. Bonon., V, 1842, 

 526 (Brazil). 



Hyporhamphus unifasciatus, Jordan & Evermann, Fishes of North America, 

 720. 



Tip of lower jaw scarlet. 



33. Hemiramphus brasiliensis (Linna?us). 



Esox brasiliensis Linnaeus, Syst Nat., Ed. X, 314, 1758 (Jamaica). 

 Hemiramphus brasiliensis, Jordan & Evermann, Fishes of North America, 723. 



AULOSTOMIDJE. 



34. Aulostomus maculatus Valenciennes. 



Aulostomus maculatus Valenciennes, in Cuvier, Illustr. Poissons, pi. 92, fig. 

 2, about 1845 ; Jordan & Evermann, Fishes of North America, 754. 



SYNGNATHID.EJ. 



35. Siphostoma rousseau (Kaup). 



Syngnathus tousseau Kaup, Lophobranchs, 40, 1856 (Martinique). 

 Siphostoma rousseau, Jordan & Evermann, Fishes of North America, 767. 



36. Siphostoma robertsi Jordap & Rutter, new species. 



Head 7 £ in length ; depth 2| in head ; eye 5§ in head ; dorsal 20, 

 on -4- 4 rings ; segments 17 + 32. Snout 2 J in head, with a slight 

 keel ; a slight keel on top of head, another above opercle, and one 

 on anterior side of opercle, but not reaching posterior edge; shields 

 without spines ; lateral keel ending on last body segment ; ventral 

 keel on next to last ; upper body keel extending nearly to end of 

 dorsal fin, upper caudal beginning below it on first caudal segment ; 

 all ridges of body very prominent, the tail with four plane ridges; 

 caudal pouch 3 in total length. Color mottled brown, paler below, 



