1863.] 



OF BIRDS FROM CENTRAL AMERICA. 



189 



V. pollens. 



Longest spuri- 

 ous primary, pale 

 under surface. 



V. ochraceus. 



Moderate spu- 

 rious primary, 

 rounded; yellow- 

 ochre colouring 

 below ; smaller 

 than V. pollens. 



V. semiflavus. 



Shortest spu- 

 rious primary, 

 yellow beneath ; 

 smaller than 

 either V. pollens 

 or V. ochraceus. 



V. noveboracensis. 



Short spurious 

 primary ; white 

 throat and abdo- 

 men ; yellow flanks. 



7. Petrochelidon littorea, sp. n. 



Supra eeneo-viridis ; suhtus gula alba, corpora toto cum crisso et 

 uropygio albis, lineis angustis nigris striatis ; macula alba 

 supra regionem prceucularem ; remigibus et rectricibus virides- 

 centi-nigris, interne fuscis ; secundariis inpogonio externa albo 

 anguste marginatis ; rostro et pedibus nigerrimis. 

 Long. tot. 4".5, alse 3'75, caudse I'S. 



Similis P. albiventri ex America meridionali, sed colore seneo- 

 viridi non cseruleo facile dignoscenda. 

 Hab. Amer. cent., regione littorali. 



This Swallow frequents all the low rivers and sea-coasts of both 

 oceans, from Belize to Colon on the Atlantic, and from Soconosco to 

 Panama on the Pacific ; and it seems str,ange that it has hitherto 

 escaped observation, so common is it everywhere on the coast. It 

 breeds in old "Woodpeckers' holes in the snags in the rivers. 



8. Spizella pinetorum, sp. n. 



Similis S. pnsillse ex Amer. sept, et Mexico, sed coloribus clario- 



ribus et rostro robustiore differt. 

 Inhabits the pine-ridges and savannas of Peten, living amongst the 

 taller patches of grass. 



9. Ammodromus petenicus, sp. n. 



Supra niger fusco-brunneo mixtus ; alis caudaque brunneis, loris 

 griseo-albidis, stria postoculari brunnea ; gula et abdomine al- 

 bidis, ilia stria utrinque luterali nigra, pectore et lateribus cum, 

 crisso pallide brunneis, campterio pallide flavo ; rostro corneo 

 mnndibula inferiore albidiore ; pedibus pallide Jlavis. / 



Long. tot. 5, alae 2;25, caudse 3-15. 



Hab. Peten, in regione campestri. 



Similis A. manimbce ex Brasilia, sed loris albidis et guise striis di- 

 gnoscendus. 



10. JuNCO ALTICOLA, Sp. n. 



Cinereus, regione oculari, pileo et nucha obscurioribus ; ventre 

 medio fere albo ; lateribus, crisso et uropygio brunnescentiori- 

 bus ; primariisfusco-nigris,pogonio externa medialiter cinereo 

 marginato ; secundariis internis fusco-nigris, pogonio externa 

 et regione interscapulari brunneis, hac paula ohscuriore ; rec- 

 tricibus fusco-nigris, duabus externis tnacida alba interne ter- 

 minatis ; rostra nigra, mandibula inferiore albido terminata ; 

 pedibus fuscis. 



Long. tot. 6-25, alse 3-1, caudse •3. 



