THE BIRDS OF NEW. JERSEY. 313 



757a Hylocichia aliciae bicknelli Ridgway. 

 Bicknell's Thrush. 



Adults. — Length, G.25-7.25. Wing, 3.65. Coloration exactly like the Gray- 

 cheeked Thrush or a trifle browner above ; size smaller. 



Rare transient visitant. Spring, May; autumn, September 10th 

 to October 5th (Babson). 



A small edition of the Gray-cheek. Mr. Babson records it from 

 Princeton, but we have no record from southern New Jersey, though 

 it doubtless occurs. 



758a Hylocichia ustirlata swainson! (Cabanls). 

 Olive-backed Thrush. 



Adults. — Length, 6.50-7.50. Wing, 4. Above, uniform olive-brown ; below, 

 white, strongly tinged with buff across the breast and with paler brown on the 

 sides of the body ; breast and sides of throat thickly spotted with blackish, 

 spots becoming paler towards the abdomen ; cheeks and sides of face strongly 

 tinged with buff like the breast. 



Common transient visitant. Spring, April 30th (May 7th) to May 

 25th; autumn, September 15th to October 15th. 



A silent member of the spring migratory host, and frequent in 

 autumn about the poke berry bushes and dogwood. 



759b Hylocichia guttata pallasi (Cabanis). 

 Hermit Thrush. 



Adults. — Length, 6.50-7.50. Wing, .3.50. Above, olive-brown ; tail, bright 

 tawny ; below, white, tinged with buff on the breast and pale brown on the 

 sides of the body ; breast with numerous large blackish spots, becoming paler 

 towards the abdomen. 



Young in first summer with light spots above. 



Common transient visitant and occasional winter resident, espe- 

 cially in the southern counties. Morristo^ni, January 30th, 1886 

 (Thurber and Green), Plainfield, winter of 1901-2 (Miller), and 



