203 
Species of the Family Pteroptochidse. 
Hah. Chili, from Concepcion to the peninsula of Tres 
Montes ( Darwin ); Chiloe and Gulf of Penas (King); Val¬ 
divia ( D’Orb .) ; Halt Bay, Western Patagonia ( Cunning¬ 
ham). 
Mus. P. L. S. 
The Indian name of this species in Chiloe is “ Guid-guid ” 
Mr. Darwin has given us an interesting account of its habits 
(Zool. Voy. Beagle, iii. p. 71). 
The anatomy and osteology of P. tarnii have been described 
by Eyton (Voy. Beagle, iii. p. 150, et Ost. Ay. p. 98). 
2. Hylactes castaneus. 
Pteroptochus castaneus, Phil, et Landb. Wiegm. Arch. f. 
Nat. 1865, pp. 56 et 121, et Cat. Av. Chil. p. 14. 
Hylactes castaneus, Sclater, P. Z. S. 1867, p. 325; Scl. et 
Salv. Ex. Orn. p. 58, t. xxix. 
Pteroptochus tarnii, Scl. Cat. A. B. p. 170 (err.). 
Supra olivaceo-cinerascens, alis extus rufescenti-olivaceis, tec- 
tricum majorum et secundariorum apicibus pallidis; uro- 
pygii plumis elongatis, castaneo tinctis, fascia subapicali 
nigra, ochraceo terminatis : cauda nigra : fronte, super- 
ciliis et corpore subtus ad medium pectus castaneis : ocu- 
lorum ambitu sordide albo : abdomine medio cinereo, 
castaneo variegato: crisso nigro et castaneo transfasci- 
ato : rostro et pedibus nigris : long, tota 9’0, alse c 4’2, 
caudse 2*6. 
Hah. Rep. Chiliana, prov. Colchagua. 
Mus. P.L.S. 
So far as is known this species is only found in the Andes 
of the province of Colchagua, at an elevation of about 5000 
feet above the sea-level. It is well figured in f Exotic Orni¬ 
thology/ 
3. Hylactes megapodius. 
Pteroptochus megapodius, Kittl. Mem. pres. Acad. Petersb. 
1831, p. 182, pi. 4; Darw. Voy. Beagle, Zool. iii. p. 71; Gray, 
Faun. Chil. i. p. 302; Ph. et Landb. Cat. Av. Chil. p. 14; Scl. 
Cat. A. B. p. 169. 
Megalonyx rufus, Less. Cent. Zool. pi. 66; Lafr. et D’Orb. 
Syn. Av. i v p. 16. 
