NO. 1482. 



ARGENTINA FISHES— E VERM ANN AND KENDALL. 



91 



Cnesterodon decemmaculahift, (tarman, Mein. Mus. Comp. Zool., XIX, No. 1, 

 1895, p. 44, pi. V, fig. 13, teeth; pi. viii, fig. 16, male (Uruguay River, 

 Maldonado).— Berg, Anal. Mus. Nac. Buenos Aires, V, 1897, p. 290 (Argen- 

 tina; Uruguay; Brazil; Meridional). 



According- to Jenjais, one specimen taken by Charles Darwin at 

 Maldonado, in a lake that had been suddenly drained, was 1.33 inches 

 in total leng'th, and the vertical fin fovniuUe were D. 8; A. 10. 



One of our 3 specimens, 1 inch long, without caudal (which is 

 broken off), and another about 1.18 total length are females containing 

 well-grown embryos; D. 8 and A. 8 in each; scales 29 or 30-8. 



Berg sa3^s that it is very abundant in quiet waters of the Province 

 of Buenos Aires and eastern Ecuador. He gives the dorsal and anal 

 formulaj as D. 8; A. 9 or 10; and the scales as 29 to 31-8 or 9. 



Family GALAXIID^E. 



32. GALAXIAS MACULATUS (Jenyns). 



Mesites maculatus Jenyns, ZooI. Voy. Beagle, Pt. 4, Fish, 1842, p. 119, pi. xxii, 



fig. 4, Hardy Peninsula, Tierra del Fuego; River Santa Cruz, Patagonia. 

 Galaxias maculatus, GuNTHER,Cat., VI, 1866, p. 212(Tierradel Fuego; Patagonia). — 



Perugia, Ann. Mus. Civ. Stor. Nat. Genova, 2d ser., X (XXX), 1890-91, p. 



654 {" Lago e torrenti di Porto Cook"). — Philippi, Verhand-Deutsch. Wiss. 



Santiago de Chile, III, 1895, p. 21 (Valdivia and Chile). — Delfin, Revista 



ChilenaHist. Nat., Ill, 1901, p. 33 (Puerto Mont, Valdivia; Tierra del Fuego; 



Malvinas i Puerto Santa Cruz, Patagonia). — Steindachner, Abhandl. Kent. 



Zool. Chil., I, 1898, p. 328 (" Rio Pescado, Punta Arenas, Magellanstrasse"). 



Eighteen specimens from 1.5 to 2.66 inches in total length; 12 

 adults most of which are gravid females, and 6 young, collected Novem- 

 ber 23, 1903, in Lake Nahuel Huapi. 



The adults are clouded and marked with large spots, which consist 

 of groups of fine dusky dots. 



The young are colorless or with a few very fine dusky dots, thickest 

 on the back and along the bases of the vertical fins. 



Proportional meafturements of Galaxias viaculatus. 



