1878.] MR. A. BOUCARD ON BIRDS FROM COSTA RICA. 43 



rainy season, from May to December, rare in the other months ; then 

 it disappears completely from the valley. They are also met with 

 in small flocks in the plains. They run very fast. 



Ordo Columbus. 



Family Columbid^e. 



Subfamily Columbine. 



9. Columba albilineata, Gray. 



Several specimens from the Volcano of Irazu, May. Is found in 

 flocks of ten or twelve, feeding on seeds. I have seen them coming 

 from all directions to drink at a spring of mineral water near Desam- 

 parados. 



10. Columba subvinacea, Lawr. 



Only one specimen, from Candelaria, May. Very rare. 



11. Zenaidura carolinensis, L. 



Several specimens, from San Jose, January to May. 



Subfamily Gourin^;. 



12. ChaMjEpelia passerina, L. 

 Common near San Jose, January to May. 



13. Cham^epelia rufipennis, Gray. 

 Very abundant at Puntarenas in May. 



14. Leptoptila verreatjxi, Bp. 



Several specimens from San Jose, January to March. 



15. Leptoptila cassini, Lawr. 



Only one specimen, from San Carlos, February. Inhabits the 

 forest. I also found two eggs of this species on a small tree. They 

 are uniform white. The male was sitting on the eggs. 



16. GEOTRYGON MONTANA. 



San Carlos, February. 



17. Geotrygon costaricensis, Lawr. 



Several specimens killed on the mountain of Candelaria, at the 

 altitude of from 3000 to 4000 feet. 



Feeds on seeds, and very likely also on insects. The crop of one 

 of the specimens dissected, and which I have here, is full of small 

 seeds. I have always seen them on the ground, going singly. The 

 sexes are exactly alike. 



18. Geotrygon chiriciuensis, Sclat. 

 Geotrygon cceruleiceps, Lawr. 



Native name " Paloma del Monte." 



Volcano of Irazu and Candelaria. 



This is a scarce species in Costa Rica. Like the former, it has the 



