NOVITATES ZOOLOOICAE XXIV. 1917. 417 



■ ceous brown, giving the throat a striped appearance, the light stripes on jugulum 

 and chest are conspicuously narrower. The bars on the underside are finer and 

 more broken up, as in our Merida specimens. Ihe tail is slightlj- darker. Cf. 

 Arch. f. Natnrg. Ixxviii. 1912, p. 117. 



Hab. : San Esteban and Cumbre de Valencia. 



Type: No. 2,803, Cumbre Chiquito near San Esteban, 19. xi. 1909. 

 S. M. Klages coll. 



5. D. validus costaricensis Ridgw. 



Costa Rica and Chiriqui. 



Of D. puncticollis, which, according to Ridgway, is probablj' a subspecies 

 of validus. we have no specimens in the Tring Museum. 



11. On a new subspecies of Picolaptes albolineatus. 



Comparing our series in the Tring Museum of what is called Picolaptes 

 albolineatus, it is evident that there must be several distinct races ; of most 

 of these our material is not large, and the differences are very slight, but birds 

 from the littoral of North-eastern Venezuela stand out too strikingly to be 

 ignored. We propose to call this form : 



Picolaptes albolineatus littoralis subsp. nov. 



This subspecies differs from typical albolineatus from Colombia in the upper- 

 side being pale, not deep rufous brown ; the ground-colour of the crown of the 

 head being generally not so deep, and the light stripes as a rule wider. Under- 

 neath the Ught shaft-stripes are wider and more buff, less creamy white. Per- 

 haps this new form is also larger, as the wing of one (male, doubtless, though 

 not sexed) reaches 101 mm., but others are smaller. Females are much smaller, 

 a difference of over 5 mm. The bill appears generally to be slenderer. 



Hab. Coastal region of North Venezuela. 



Type: S ad., Quebrada Secca, State of Cumana, Venezuela, 9. ii. 1898. 

 No. 143, Caracciolo coll. (Tring Museum.) 



Of this form we have two specimens from the State of Cumana, two from 

 Guiria on the Gulf of Paria, collected by Comte de Dalmas, and two taken by 

 Albert Mocquerys and said to come from Valencia ; these latter may, by some 

 mistake, have been wTongly labelled, as a skin from San Esteban, inland of 

 Puerto Cabello, is quite different, hardly differing from Bogota skins. Judging 

 from three skins, collected by Andre (cf. HeUmayr, Nov. Zool. xiii. 1906. p. 30), 

 the Trinidad birds seem to agree with those from Cumana, being at least as 

 pale on the upperside, though the under surface appears to be more greyish. 



Six skins from the Orinoco Valley, collected by Cherrie, agree on the whole 

 very well with Colombian skins, but appear to be sUglitly more greyish under- 

 neath. 



12. Xenops genibarbis ridgwayi subsp. nov. 



While the South-American forms of Xenops genibarbis have been excel- 

 lently reviewed by Hellmayr in Nov. Zool. 1907, pp. 54, 55, the Central-American 

 ones have hitherto been united under the name X. genibarbis mexica^ius Scl., 



