8IUEUS. 14T 



The eggs are white, more or less marked, especially round the larger end, with lines^ 

 dots, and dashes of various shades of umber-brown ^^. 



3. Siums motacilla. 



Turius motacilla, Vieill. Ois. Am. Sept. ii. p. 9, t. 65 ^ 



Henieocichla motacilla, Cab. J. f. Orn. 1857, p. 240 ^ 



Siums motacilla, Coues, Bull. Nutt. Club. ii. p. 33*; B. Col. VaU. i. p. 399* j Sennett, Bull. U. S, 



Geol. Surv. iv. p. 13 '. 

 Turdus ludovicianus, Aud. Orn. Biogr. i. p. 99*. 



Siurus ludovicianus, Scl. P. Z. S. 1859, pp. 363 \ 373 ' ; Scl. & Salv. Ibis, 1860, p. 273 '. 

 Sciurus ludovicianus, Baird, Rev. Am. B. i. p. 217"; Lawr. Ann. Lye. N. Y. ix. p. 94"; Mem. 



Bost. Soc. N. H. Ii. p. 269 '' ; Bull. U. S. Nat. Mus. no. 4>, p. 15 " ; Baird, Brew. & Ridgw. 



N. Am. B. i. p. 287 " ; Gundl. Orn. Cub. p. 68 '\ 

 Henieocichla ludoviciana, Scl. Cat. Am. B. p. 25 ''; Salv. P. Z. S. 1870, p. 183 ". 

 Henieocichla major, Cab. Mus. Hein. i. p. 16 ^^ 



Similis praecedenti, sed rostro longiore et colore corporis subtus laotescenti-albo nee flavido distinguendus. Long, 

 tota 5-4, alee 3-25, candse 2-1, rostri a rictu 0-75, tarsi 0-9. (Desor. exempl. ex Alotenango, Guatemala. 

 Mus. nostr.) 



Hab. North Ambbica \ Eastern States ^ ^^, Texas ^. — Mexico, Tamaulipas (Couch i*), 

 Mazatlan {Grayson ^^), Colima {Xantus'^^ '^'^), Yuantepec {Beppe, Mus. Berol.), 

 Mirador (Sartorius^% Jalapa^^ (de Oca''), Orizaba (Bofferi ^% Totontepec (Bou- 

 card% Barrio, Santa Efigenia (Sumichrast^^); Guatemala, Eetalhuleu, Alotenango 9, 

 Volcan de Fuego^, Coban^, Choctum {0. S. & F. B. Q.); Costa Eica, Barranca 

 {Carmiol ^^) ; Panama, Bugaba {ArcS ^''). — Antilles, Cuba ^ is, Jamaica ^^, &c. 



The application of Vieillot's name Tufdus moticilla has long been a matter of doubt, 

 and was always so treated by American writers until 1877, when Dr. Coues ^ satisfied 

 himself that it was really meant for the bird usually known under Audubon's title 

 Siurus ludovicianus. In taking this course he followed the opinion of Bonaparte and 

 Cabanis ^ on this point. 



Siurus motacilla, as it is now the fashion to call this species, has very much the same 

 range in our territory as S. noveboracensis, except that it does not penetrate beyond the 

 district of Chiriqui, and hence falls short of the extended range of its congener m the 

 southern continent. It is nowhere so abundant as that species, though found in places 

 of considerable differences of altitude, ranging from 5000 feet to nearly the sea-level. 

 In Guatemala we usually found it in the forest in the bed of a dry watercourse or the 

 bottom of a ravine, S. noveboracensis seeking rather the more open running streams. 

 Our earliest specimens were obtained in August and September ; and it probably stays 

 in the country until the following April. Its habits closely resemble those of its 

 congener ; and in the winter season its note is a clear sharp call. Grayson speaks of 



19* 



