EIGENMANN: THE FRESHWATER FISHES OF BRITISH GUIANA 217 



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



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

 Catalogue, V, 1864, 227 (Dcmerara; British Guiana; Trinidad). — Lutkex, 

 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 subulahis Ctjvier and Valenciennes, Hist, Nat. Poiss., XV, 1840, 311 

 (Cayenne; Buenos Ayres). 



Callichthys Uevigatus 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 lavigatum Gill, Ann. Lye. Nat, Hist. N. Y., VI, 1858, 396 

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



Callichthys alMdus 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. < at. No. 1575.) 

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



No. 1576«-e; I. U. Cat, No. 11988.) 



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



I. U. Cat, No. 11993.) 



25 

 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 



