1876.] NEOTROPICAL ANATIDjE. 405 



wards along the Ancles 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 Repubhc, 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, Briss. Orn. vi. p.472(S. Domingo), 

 unde 



Anas doiiwiica, Linn. S. N. i. p. 201 (1766); Max. Beitr. iv. 

 p. 938 (Bahia); Burm. Sjst. Ueb. iii. p. 439 (Lakes of S.E. 

 Brazil). 



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

 J. fiir Orn. 18.57, p. 231 (Cuba); Gundl. Repert. F.-N. i. p. 391, 

 et J. fiir 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) 

 (Lagoa dos 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," Gosse, Birds Jam. p. 406, et III. 

 pi. 113. 



Ferruginea, nigro variegata 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 ccBruleo, pedibus nigris : long, tota 

 13*0, alee 5"5, caudce 38, tarsi 10, rostri a rictu TS. 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. ferruginea 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 



