ANNOTATED LIST OF THE SPECIES 165 
BKigenmann and Higenmann, 1890, Occ. Papers Cal. Acad. Sci., I, 348; 
Regan, 1904, Trans. Zool. Soc. London, XVII, 315. 
Cyclopium sabalo Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, ITI, 417. 
From the Urubamba to upper Huallaga tributaries 
—— 1, 135 mm., Ollantaitambo, Rio Urubamba, 9000 feet elevation. 
———, 5, 58-80 mm., Puquiura, 9500 feet, E. Heller, E. C. Erdis. The latter specimens in bad 
condition, and identification uncertain. 
15070, 9, 107-168 mm., Urubamba, Rio Urubamba, Kigenmann, November, 1918. 
NEO , Ollantaitambo, Eigenmann, November, 1918. 
15443, 1, 114 mm., Torontoy, Rio Urubamba, Higenmann, November, 1918. 
15444, 4, 183-180 mm., San Miguel, Urubamba, Eigenmann, November, 1918. 
15445, 3, 180-220 mm., Mandor Pampa, Eigenmann, November, 1918. 
15446, 19, 62-91 mm., Culpani, Eigenmann, November, 1918. 
15447, many, 25-75 mm., Santa Ana, Rio Chupapa, Eigenmann, November, 1918. 
17820, 13, 85-115 mm., Ollantaitambo, Eigenmann, November, 1918. 
17825, 8, 483-89 mm., Huancayo, Mantaro valley, Eigenmann, September, 1918. 
17826, 1, 102 mm., Huancachupa creek, Hu nuco, Allen, October, 1918. 
17827, 1, 110 mm., mouth Rio Tingo, Huanuco, Allen, October, 1918. 
The last a very emaciated specimen with thin, nearly membraneous adipose fin. 
17828, 4, 72-118 mm., Rio Huallaga, Hudnuco, Allen, October, 1918. 
9971-9983, Field Mus., 13, 123-204 mm., Culeui, J. T. Zimmer, Dec. 1922. 
Of the material collected at Culeui, and determined by N. E. Pearson, I 
examined numbers 9971, 9972, 9977, and 9982. (W.R.A.) They show certain 
consistent differences in comparison with the material collected on the Urubamba: 
Dorsal basis in 
length without 
caudal fin 
Head in 
length 
Astroblepus sabalo from Culeui........... 7.1-7.6 3.7-4.0 | Much longer dorsal 
Astroblepus sabalo from the Urubamba 10.1-10.8 3.3-3.7 | Larger head 
Specimens of about equal length were used. 
129. ASTROBLEPUS PRENADILLA (Cuvier and Valenciennes) 
Brontes prenadilla Cuvier and Valenciennes, 1840, Hist. Nat. Poiss., XV, 343, pl. 445, Cotopaxi; 
Giinther, 1864, Cat. Fish. Brit. Mus., V, 224. 
Arges prenadilla Steindachner, 1882, Denksch. KIX. Akad. Wiss. Wien, XLVI, 20, pl. vi, fig. 5, Peru; 
Eigenmann and Eigenmann, 1890, Oce. Papers Cal. Acad. Sci., I, 348; 
Regan, 1904, Trans. Zool. Soc. London, XVII, 316. 
Cyclopium prenadilla Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 417. 
The Andes of Peru 
15069, , Rio Yanahuana, Cerro de Pasco, Murdock, December, 1918. 
130. ASTROBLEPUS BOULENGERI (Regan) 
Styogenes humboldtii Giinther (non Swainson), 1864, Cat. Fish. Brit. Mus., V, 223; 
Boulenger, 1887, Proce. Zool. Soe. London, 276, pl. xxi, fig. 2. 
Arges boulenger? Regan, 1904, Trans. Zool. Soc. London, XVII, 310. 
Cyclopium cyclopum (in part) Eigenmann and Eigenmann, 1890, Occ. Papers Cal. Acad. Sci., T, 350. 
Cyclopium boulengeri Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 417. 
