28 



ARKIV FÖR ZOOLOGI. BAND 13. N:0 4. 



is not at all deeper colored than a male from Nicaragua, San 

 Juan del Norte, March 24th (coll. Bovallius), but rather a 

 little paler. 



The size of the Pale-vented Pigeon, as stated by Ridg- 

 WAY, shows a right extensive variation. The greatest dimen- 

 sions he found in males from San Miguel I. and Buena ventura 

 I., off Panama; of females only specimens from the former 

 island were measured, these too exceeding those from other 

 localities. 



The present male specimen is decidedly large. The 

 measurements compared with those of the previously men- 

 tioned male specimen from Nicaragua, are as follows: 



Especially obvious is the stouter structure of the bill in 

 the Pedro Gonzalez specimen. Mr. Ridgway, however, found 

 in four adult males from San Miguel the average length of 

 culmen to be 17,6 whereas in a male specimen from Nicaragua 

 it was 18 millimetres, so it is very likely that all these dif- 

 ferences in size can only be assigned to individual variation. 



Fam. Peristeridae. 

 36. Zenaida auriculata (Des Murs). 



Zenaida hypoleuca Gray, List Birds Brit. Mus. Colunibae. 1856, 48 (Pearl 

 Island; typc). 



Zenaida auriculata Salvadom, Cat. Birds Brit. Mus. XXI, 1893, 384 (Pearl 

 Island; type of Z. hypoleuca, G. R. Gr.) — Salvin and Godman, Biol. 

 centr.- Am. Aves III, 1902. 244 (ref. in text; crit. of locality) — Thayer 

 and Bångs, Bull. Mus. Comp. Zoöl. XLVI, 1905, 147 (ref.; crit.) — 

 Ridgway, Birds North Middle Am. VII, 1916, 366 (ref.). 



In the collections of the Brifcish Museum there is an adult 

 skin of TEMMmcK's Döve, brought by Capt. Kellett and 

 Lieut. WooD, that is said to have been collected in the Pearl 

 Islands. Neither Mr. Brown nor Dr. Bovallius met with 

 this bird during their visits in the islands, and there are no 

 further records of this Döve north of Ecuador. 



Allready Messrs. Sal vin und Godman express their doubt 



