Dr, A, Hall on the Mammals and Birds. 289 



ARTICLE XXX. — On the Mammals and Birds of the District 



of Montreal. By Archibald Hall, M.D^ L.R.C.S.E. 



(Continued from page 193.) 



Turdus novehoracensis. Aquatic Thrush. 



T. aquaticus of Audubon ! 



Sylvia novehoracensis, Latham and Buonaparte !! 



v.s.p. Legs and bill brown ; irides black ; bill slightly notched ; 

 eggs 4 to 5, flesh colour, spotted dark towards the larger end. 



Dorsal aspect. Olive brown, with a ring of a lighter tint 

 round the neck. 



Ventral aspect. A line from the nostrils over the eye, termin- 

 ating beyond the auriculars of a cream colour ; auriculars pale 

 brown; sides of the neck, throat, breast, belly, vent, and tail 

 coverts yellowish white, thickly spotted with brown streaks, most 

 numerous and largest on the breast, and finest on the throat. 



2nd and 3rd primaries subequal and longest; 1st longer than 

 the 4th. Length b\ inches ; alar breadth 8 inches. The female 

 differs little. 



T. aurocapillus. Golden-crowned Thrush. 

 Sylvia aurocajnlla of Buonaparte ! 

 Seirus aurocapillus. Baird ! 

 v.s.p. Bill short, and with the legs pale flesh colour ; irides 

 hazel ; eggs 4 to 5, white mottled with reddish brown. 



Dorsal aspect. Olivaceous yellow; crown brownish orange, 

 with a lateral border of black from the nostrils, lost upon the oc- 

 ciput, succeeded by the dorsal tint immediately above the eye ; 

 primaries and secondaries ashy, edged with whitish. 



Ventral aspect. Pure white with black spots on the sides of 

 the neck, breast and flanks ; inner wing coverts pale yellow ; eye- 

 lids white. 



1st, 2nd, and 3rd primaries equal. Length 6 inches; alar 

 breadth 9 inches. 



Genus Tanagra. 

 Gen. char. Bill short, robust, triangular at the base, carinate * 

 upper mandible curved and notched wider than, and projecting 

 over, the lower one ; lower one straight, somewhat gibbous to- 

 wards the middle ; nostrils basal, round, and open ; tarsus equal 

 to the middle toe ; external and middle toe connected at base • 

 2nd and 3rd primaries longest. 

 Can. Nat. 19 Vol. VU 



