1876. J NEOTROPICAL ANATID.E. 405 



wards along the Andes as far as Central Peru, where Jelski observed 

 it breeding on the Lake of Junin, and obtained skins and eggs. It 

 likewise crosses the Andes into the Argentine Republic, as Bur- 

 meister met with it on the Laguna Matanza, near Buenos Ayres, and 

 Mr. Hudson collected examples on the Rio Negro. 



3. ERISMATURA DOMINICA. 



Anasquerquedula dominicensis, Bliss. Orn. vi. p. 472(S. Domingo), 

 unde 



Anas dominica, Linn. S. N. i. p. 201 (176G); Max. Beitr. iv. 

 p. 938 (Bahia); Burm. Svst. Ueb. hi. p. 439 (Lakes of S.E. 

 Brazil). 



Erismatura dominica, Eyton, Mon. Anat. p. 172 (1838); Cab. 

 J. fiir Orn. 1857, p. 231 (Cuba); Gundl. Repert. F.-N. i. p. 391, 

 et J. fur Orn. 1875, p. 384 (Cuba) ; A. & E. Newton, Ibis, 1859, 

 p. 367 (St. Croix 0; Scl. P. Z. S. 1857, p. 206 (Jalapa), et 1860, 

 p. 254 (Orizaba); Le'ot. Ois. Trin. p. 525 (1866) (Trinidad); Pelz. 

 Orn. Bras. p. 320 (1870) ; Reinh. Fugl. Bras. Camp. p. 20 (1870) 

 (Lagoados Pitos); Lee, Ibis, 1873, p. 137 (Entrerios) ; Lawr. Mem. 

 Boston Soc. N. H. ii. p. 316 (Mexico). 



Biziura dominica, Schl. Mus. des P.-B. Anseres, p. 9. 



Sarcelle de la Guadeloupe, Buff. PI. Enl. 967 ( $ ), unde 



Anas spinosa, Gm. S. N. i. p. 522 (1788) (Cayenne et Guiana) ; 

 D'Orb. in La Sagra's Cuba, Aves, p. 201 (Cuba et Bolivia). 



Erismatura spinosa, Gosse, Birds Jam. p. 404 (Jamaica). 



"Erismatura ortygoides, Hill," Gcsse, Birds Jam. p. 406, et 111. 

 pi. 113. 



Ferrnginea, nigro variegafa et maculata ; pileo nigro, vitta super- 

 ciliari et altera suboculari, cum mento et genis infimis, albidis 

 nigro punctatis ; alis fuscis plaga magna secundariorum alba; 

 cauda nigra ; abdomine sordide albo rufescente irrorato ; axil- 

 laribus pure albis ; rostro cceruleo, pedibus ?iigj'is : long, tota 

 13'0, alee 5 - 5, caudce 3"8, tarsi 10, rostri a rictu 1*5. Fern. 

 fusco-nigra, dorso cervino maculato ; capitis lateribus et cor- 

 pore subtus cervinis, illo nigro bivittato; pectore nigro varie- 

 gato. 



Hab. Cuba (Gundlach) ; S. Domingo (Briss.) ; Jamaica (Gosse) ; 

 S. Croix (Newton) ; Trinidad (Leotaud) ; Mexico, Jalapa (Salle) ; 

 Tepic (Grayson) ; Veragua (Arce) ; S.E. Brazil (Max. et Burm.) ; 

 Mattodentro et Sao Paulo (Natt.) ; Uruguay (Sellow) ; Entrerios 

 (Lee); Bolivia, Chiquitos (D'Orb.) 



Obs. Ab E. rubida et E.ferruyinea crassitie minore, dorso varie- 

 gato et macula alari alba prorsus distinguenda. 



This species of Erismatura is widely diffused in Tropical America, 

 from Mexico and the Antilles down to Uruguay, inhabiting the fresh- 

 water lakes like other members of the genus. It nests in Cuba, 

 where Dr. Gundlach says it is common, resident, and an excellent 

 diver. Mr. Gosse noticed this species in a broad piece of water 

 near Redonda, in Jamaica, where as many as three may be seen at one 

 time. They appear to be tame, but when alarmed sink rather than 



