SAND PTEROCLES. 
305 
feed upon the tender tops of heath and other plants. 
Some of them are confounded with the Grous, and 
others with the Partridges, by Latham. Their 
liinder toe is very short, and elevated from the 
ground. Perhaps this genus would bear division, 
the two last species having the two middle tail- 
feathers considerably elongated and pointed j their 
manners are also slightly different. 
SAND PTEROCLES. 
(Pterocles arenarius.) 
Pt. corpore supra testaceo-albicante, maculis ovatis Jlavicantibus 
conspersisf gula luted, lunula jugali nigra, torquea ahdomine 
crissoque atris, rectricibus nigro griseoque Jasciatis, apice albis; 
intermediis duahus fulvescentibus. 
Pterocles with the body above testaceoiis-W'hite, sprinkled with 
ovate yellowish spots 5 the throat yellow, with a black lunule 
on the jugulum 3 collar round the neck, the abdomen and 
vent dark-coloured 5 the tail-feathers fasciated with black and 
grey, with wdiite tips, the two middle ones fulvous. 
Pterocles arenarius. Temm. Gall. hid. 712. 
Tetrao arenarius. Pall. Travels. 3. p. 6gg. — Gmel. Spst, Xat. 1 . 
J55 . — Lath. Ind. Orn. 2. 642. 18. 
Perdix Aragonica. Lath. Ind. Orn. 2. 645. 7- 
Ganga unibande. Temm. Pig. et Gall. 3. 240. — Temm. Man. 
d' Orni. 299. 
Aragonian Partridge. Lath. Spn. Sup. 1. 223. 
Sand Grous. Lath. Gen. Syn. 4. 751. 16. 
This species varies in length from fourteen to 
sixteen inches : its throat is adorned with a trian- 
21 
V, XI. P. II. 
