DENDR(ECA. SEIURUS. 407 



Hahits. Mr. J. J. Quelch, in his " Migratory Birds in British 

 Guiana" (Timehri (2) x. p. 261), states that this bird certainly 

 occurs on the highlands, having been obtained on the slopes 

 around Roraima, but there was nothing to show whether the 

 specimens were migrants or not. 



Genus SEIURUS Swains. 



Seiurus Swainson, Zool. Journ. iii. p. 171, 1827. Tj-pe S. aurocapillus 

 (Linn.). 



Fig. 155. — To show the characters on the side of the face. 



Some of the species that comprise this genus have the appear- 

 ance of Pipits, while others resemble, more or less, the small 

 Thrushes of the genus Hylociclda. The bill is slender. The wing 

 is inclined to be pointed, the first primary being longest, the 

 second and third only slightly shorter. The tail is square at the 

 tip and about five-sevenths the length of the wing. The tarsus 

 exceeds the length of the exposed culmen by rather more than 

 two-thirds. Coloration : male and female alike. 



605. Seiurus noveboracensis. 



Small- Billed Water-Thrush. 



Motacilla novehoracensis Gmel. Syst. Nat. i. p. 958. 1789 (Louisiana). 

 Ilenicociclda novehoracensis Cab. in Scliomb. lleis. Guian. iii. p. 6G(J, 



1848. 

 Siurus novehoracensis Salvin. Ibis, 1885, p. 202 (Bartica Grove. Roraima). 

 Siunis ncevius Sharpe, Cat. B. Brit. Mus. x. jjp. 343, G52, 1885 



(Bartica Grove, bee; Jiorainia, Dec). 

 Seiurus ncevius (^uelcli, 'J'iinelin (2) x. p. 2(52, 1896. 

 Seiurus novcehoractnsis lirahouine & Cluil)l), B. S. Amer. i. p. 355, 



no. 3G37, 1912; Beebe, Truj>ical Wild Life in Britisli Guiana, p. 13G, 



1917 (Bartica). 



Adult male, (jloncral coloin- of the upper surface dusky-brown 

 including the crown of the licad, back, wings, and tail ; lores and 

 a line over the e}e and along the aides of the crown bully-white ; 



