HAZEL GIIOUS. 
27 ^ 
Grous with the body above rufescent, varied with brown, black, 
and cinereous spots ; beneath cinerascent, sprinkled with black 
lunules 5 a white spot on each side near the. ears; the tail- 
feathers cinereous with black spots, and a black fascia, the 
two middle feathers excepted ; the throat black. {Female 
with a white throat.) 
Tetra Bonasia. Linn. Syst. Nat. 1. 275. 9- — Linn. Faun. Suec. 
204. — Gmel. Syst. Nat. 1. J53. — Briss. Orn, 1. IQl. 3. — Lath. 
Ind. Orn. 2. 640. 14. — Tenim. Gall. Ind. 706. — Nilss. Orn. 
Suec. 1.305. 
Tetrao betulinus. Lath. Ind. Orn. 2. 637* 5. young. — Gmel. 
Syst. Nat. 1. 749. 
Gallina Corylorum. Rail. Syn. 'p. 55. 6. — JFill. Orn. 126. 
j)l. 31. 
La Gelinotte. Bnjf. Ois. 2. 233. pi. 7* — Luff. PI. Enl. 474. 
475. 
Tetras Gelinotte. Temm. Pig. et Gall. 3. 174. — Temm. Man. 
d'Orni. 29 1. 
Birch Grous. — Lath. Gen. Syn. 4. 735. 5. young. 
Hazel Grous. Penn. Arct. Zool. 2. 3l7- — Will. {Ang.) p. 
175. pi. 31. — Lath. Gen. Syn. 4. 744. 
V'ar. $. corpore cano fusco undtdato. 
With the body hoary, undulated with brown. 
Tetrao Bonasia. a. Temm. Gall. Ind. 707. 
Tetrao canus. Sparr. Mus. Carls. Jasc. 1. 16. — Gmel. Syst. 
Nat. 1. 753. — Lath. Ind. Orn. 2. 640.13. 
Helsingian Grous. Lath. Syn. Sup. p. 217* 
This species is fourteen inches in length : the 
beak is short and black : space round the eyes 
naked, wrinkled, and deep crimson : the upper 
jiarts of the head, neck, and body, are transversely 
striated with rufous-brown and ash-colour ; the 
lower part of the back and rump inclining more 
to the latter colour : the wing-coverts are marbled 
with rufous, sprinkled with brown and black, and 
a few dashes of white : quills grey-brown ; on 
