Vol. xix.] 74 



from Jamaica, but differs in having a stouter, higher bill, a 

 blacker upper surface (the black central portions of the 

 feathers being more extended and of a deeper tinge), and 

 darker brown cheeks, chest, and flanks. Wing 57-59*5 ; 

 tarsus 19-20*5 mm. 



A. savannarum caribceus, Hart., is much smaller and 

 paler, A. s. passerinus is larger and paler, while both 

 A. s. ubscurus and A. s. himaculatus have a shorter tarsus. 



Hab. San Domingo, W. Indies. 



Type in the Tring Museum : cT, No. 4167. El Valle, San 

 Domingo, 16. i.07. 



Obs. Two pairs were collected. 



Mr. C. E. Hellmayr described and exhibited examples of 

 some new forms of South American birds : — 



SyNALLAXIS MAXIMILIANI ARGENTINA, Subsp. U. 



Adult. Differs from S. m. maximiliani, d^Orb., from Bolivia, 

 in its considerably paler coloration, the upperparts being of 

 a clearer and more greyish-olive colour; the breast and 

 abdomen much lighter tawny-ochraceous, darkening to deep 

 tawny on the sides and on that portion of the chest imme- 

 diately following the black jugular band. In S. m. maxi- 

 miliani the whole under surface below the latter is uniform 

 chestnut-rufous, while the throat is distinctly of a paler buff 

 colour than in the new form. 



Hab, Argentine Republic : from Tucuman to the Chaco. 



Type in the Tring Museum : ^ ad., No. 3244. Norco, 

 Tucuman, elev. 1200 metr., 6. viii. 06. Obtained by Mr. L. 

 Dinelli. 



Obs. Eight specimens of both sexes from Tucuman and 

 Mocovi (in the Chaco) in the Tring Museum differ in the 

 above-described characters from the type and from two other 

 Bolivian examples of S. m. maximiliani. 



CiSTOTHORUS PLATENSIS MERID^, Subsp. U. 



Adult. Pileum and nape dull broccoli-brown (Ridgw. 

 Nomencl. iii. fig. 15), the centres of the feathers scarcely 

 paler ; back and rump brighter brown, with broad longitu- 



