EIGENMANN: the freshwater fishes of BRITISH GUIANA 217 



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



Callichthijs liUoralis Hancock, Zool. Journ., IV, 1828, 244 (Demerara). — Gunther, 

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

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

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

 Slidamerika'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; ViUa 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 Iwvigatus 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 Iwvigatum 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) . 



Hovlosternum 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.) 



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



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 



