CERTHTNJE. 
Tlie type of this genus is found in the mountainous parts of Europe and Asia. It is usually seen flitting from one 
Injection of a rock to another, and hopping up and down the sides of them in continual search after its favourite food, 
^ 10,1 consists chiefly of spiders and their eggs, and also of various kinds of insects. Sometimes these birds are noticed 
an gmg on q le f ace 0 f a ru i ncc ] W all by means of their strong curved claws, while seeking their food. 
T. muraria (Linn.) PI. enl, 872. — Tiehodroma phoenicoptera Temm. ; T. europsea Steph. Gould, B. of Eur. pi. 239- 
Climacteris Temrn.* 
rather short, slender, and slightly depressed at the base, with the culmen curved, and the sides 
|' 0rn pressed to the tip, which is entire ; the gonys moderate and slightly ascending ; the nostrils basal, 
er£ d, and sunken, with the opening partly covered by a membranous scale. Wings rather long, and 
P 0l nted ; with the first quill short, and the third and fourth equal and longest. Tail moderate, broad, and 
• J arsi nearly the length of the middle toe. Toes long and rather strong ; the inner toe shorter 
tl ian the 
lo 
outer, both more or less united at the base ; the hind toe long, and rather slender ; the claws 
much curved, compressed, and acute. 
J] 
ar) j 1e s P e cies of this genus arc found in the vast continent of Australia, where they inhabit the thinly wooded districts ; 
observed actively climbing up the trunks of various trees or along the branches, examining the crevices and 
hie (] 111 ’ sometimes they creep into the hollows of the dead branches, and even penetrate with their bills into 
v eca } r ed parts for their food, which is composed of various kinds of insects and spiders, both in the perfect and 
acti erfec t states. For these they also search the ground at the base of the trees, rvhere they move about with shuffling 
° lls ' Their flight from tree to tree is performed in a skimming manner, and if disturbed they utter a sharp cry. 
gen e nCSt * S com P osec l of hairs or of grass, lined with feathers, and is usually placed in a hollow branch. The eggs are 
rall y two or three in number. 
*ditnaet' ^ UC0 ^ ia>a (Lath.) Strickl. Lamb. Icon. ined. ii. 45. — 
et q ^ ris l’kumnus Temm. PI. col. 281. f. 1. : Glycyphila ocularis 
2 suboc u ] aris Could. ? 
^ ieiu / an Aens Temm. PI. col. 281. f. 2. — Petrodroma Bailloni 
• Kupf. Vog. t. C. f. 1. 
3. C. erythrops Gould, Proc. Z. S. 1840. p. 148. 
4. C. rufa Gould, Proc. Z. S. 1840. p. 149- 
5. C. melanura Gould, Proc. Z. S. 1842. p. 138. 
6. C. melanotus Gould, Proc. Z. S. 184b. p. . 
* Established in 1820 by M. Temminck ( Analyse da Syst. Gen. d’ Ornith. p. lxxxv.). 
A Pril, 1847. 
