178 DENDROCOLAPTIDA". 



The eggs of the Rtiipcd Spine-tail appear to he generally of a 

 regular shape, but one example in the Collection is cylindrical in 

 form. They are white and but slightly glossy. Four specimens 

 measure respectively: -8 by '6, -79 by -59; -75 by '55; "O by -52. 



2. Argentine Republic. Crowley Bequest 



2. Argentine Republic. Crowley Beq[iiest. 



Siptornis humicola (Kitil.). 



Siptoruis humicola, Scl. Cat. Birds B. M. xv. p. 65 (1890) ; James, Neio 

 List Chilian Birds, p. 4 (1^92) ; Nehrk. Kat. Eiersamml. p. 149 

 (1899) ; Sharpe, Hand-l. iii. p. 60 (1901). 



The eggs of the Ground Spine-tail vary from a pointed to a blunt 

 oval shape, and are sometimes elliptical. They are white and 

 slightly glossy. They measure from -85 to -92 in length, and from 

 •t)2 to -68 in breadth. 



1. Bolivia ( Tristram Coll.). Ci-owloy Bequest. 



4. Central Chile, Oct. Berkeley James Coll. 



4. Central Chile, Oct. Berkeley James Coll. 



3. Central Chile, Oct. Berkeley James Coll. 



3. Central Chile (Landhech). Berkeley James Coll. 



4. Central Chile {Landbeck). Berkele}^ James Coll. 

 3. Central Chile (Landbeck). Berkeley James Coll. 

 1. South Chile [Tristram Coll.). Crowley Bequest. 



Siptornis sordida (Less.). 



Synallaxis sordida, Duniford, His, 1877, p. 3o ; Scl. ^- Iluds. Argent. 



Orn. i. p. 184 (1888) ; Holland, lbs, 1893, p. 487. 

 Siptornis sordida, Scl. Cut. Birds B. M. xv. p. 68 (1890) ; Nehrk. Kat. 



Eiersamml. p. 149 (1899) ; Shari)e, Hand-l. iii. p. 61 (1901). 



The eggs of the Sordid Spine-tail are of a regular oval form, 

 slightly glossy, and of a very pale greenish colour *. They 

 measure from -66 to "73 in length, and from -54 to '6 in breadth. 



8. Argentine Republic, Nov. A. H. Holland, Esq. [C.]. 



5. Argentine RepubHc, Nov. A. II. Holland, Esq. [C.J. 



Siptornis anthoides (King). 



Siptornis anthoides, Scl. Cat. Birds B. M. xv. p. 70 (1890) ; Nehrk. 

 Kat. Kiersanunl. p. 149 (1899) ; Sharpe, Hand-l. iii. p. 61 (1901). 



An egg taken in Bolivia, and referred to the Pipit-like Spine-tail, 

 is of a somewliat narrow shape, pointed at both ends, devoid of 

 gloss, and plain white. It measures '92 by •67. 



1. Bolma [Tristram Coll.), Crowley Bequest. 



* Both Mr. Hudson and Herr Nehrkorn state that the eggs of this bird are 

 fhite. 



I 



