EIGENMANN: THE FRESHWATER FISHES OF BRITISH GUIANA 217 



87. Hoplosternum littorale (Hancock). (Plate XXIV, fig. 1.) 



Callichthys littoralis Hancock, Zool. Journ., IV, 1828, 244 (Demerara). — Gunther, 

 Catalogue, V, 1864, 227 (Demerara; British Guiana; Trinidad). — Lutken, 

 Vid. Med. Naturhist. For. Kjobenhavn, 1874, 215 (Trinidad) .— Vaillant, Bull. 

 Soc. Philom., (7), IV, 1880, 165 (Calderon).— Steindachner, " Flussfische 

 Siidamerika's," iv, 1882, 6 (Rio Huallaga). — Jordan, Proc. U. S. Nat. 

 Mus., IX, 1886, 559 (name only). — Boulenger, Ann. Mus. Genova (2), 

 XIX, 1898, 126 (Puerto 14 de Mayo).— Vaillant, Nouv. Arch. Mus. d'Hist. 

 Nat., (4), II, 1900, 124 (Carsevenne) . 



Hoplosternum littorale Eigenmann and Eigenmann, Proc. Cal. Acad. Sci., (2), I, 

 1888, 164 (Surinam; Gurupa; Para; Santarem; Tabatinga; Arary; Silva, Lake 

 Saraca; Villa Bella; Porto do Moz; Lake Hyamary; Ueranduba); Occa- 

 sional Papers Cal. Acad. Sci., I, 1890, 456. — Berg, An. Mus. Nac. Buenos 

 Aires, IV, 1895, 136. — Eigenmann and Kennedy, Proc. Acad. Nat. Sci. 

 Phila., 1903, 504 (Arroyo Carumbey and Yajamar; Estancia la Armonia). — 

 Eigenmann, Ann. Carnegie Mus., IV, 1907, 123 (Bahia Negra); Repts. 

 Princeton Univ. Exp. Patagonia, III, 1910, 402. 



Callichthys subulatus Cuvier and Valenciennes, Hist. Nat. Poiss., XV, 1840, 311 

 (Cayenne; Buenos Ayres). 



Callichthys Icevigatus Valenciennes, in d'Orbigny, Voy. Am. Mer., V, ii, 1847, 

 pi. 5, fig. 2. — Cuvier and Valenciennes, Hist. Nat. Poiss., XV, 1840, 314 

 (Buenos Ayres; Trinite).— Kner, SB. Akad. Wiss. Wien, XVII, 1855, 109 

 (no locality). — Perugia, Ann. Mus. Genova (2), X, 1891, 636 (Tucuman). 



Hoplosternum Icevigatum Gill, Ann. Lye. Nat. Hist. N. Y., VI, 1858, 396 

 (Trinidad). — Bleeker, " Silures de Suriname," 1864, 24 (Surinam). 



Callichthys albidus Cuvier and Valenciennes, Hist. Nat. Poiss., XV, 1840, 316 

 (Cayenne). 



Houlosternum stevardii Gill, Ann. Lye. Nat. Hist. N. Y., VI, 1858, 401 (Trinidad). 

 One specimen, 192 mm. Mahaica. (C. M. Cat. No. 1575.) 

 Seventeen specimens, about 164-180 mm. Georgetown market. (C. M. Cat. 



No. 1576a-e; I. U. Cat. No. 11988.) 



Two specimens, about 188 mm. Botanic Garden. (C. M. Cat. No. 1585a; 



I. U. Cat, No. 11993.) 



OK 



Head 3.4-3.5; depth 3.25; D. 1,8; A. 11,5.5. Plates g. 



Snout somewhat pointed, depressed; dorsal profile a little more arched than 

 the ventral; eye about 5 in interorbital; inner rictal barbel reaching to tip of 



