22 



Mr. Gould exlubited, in continuation, the Fissirostral Birds of 

 Mr. Darwin*s coUection, recently presented to the Society, and 

 characterized from amoHg them the following new species : 



Caprimulgus bifasciatus. Cap. nigro, fusco, et fulvescente 

 ornalus ; caudd albo bifasciatd, fascid terminali lato : primd 

 angustd ; pi-imariis nigrescentibus fascid angiistd albd ad inedi- 

 nm : alis spuriis tnaculd albd notatis ; guthire lunuld albd ; 

 secondariis tectricibusgue alarum maculd fulvescente ad apicem ; 

 crisso pcdlidė rifescenie ; rosiro pedibusgne fuscis. 



Long. tot. unc, 9J ; alcB, 6^ ; caudee, 5 ; tarsi, į. 



Caprimulgus parvulus. Cttp. intense fuscus, guttis minutis 

 cinereis ornatvs ; vittd ritfd cervicem ci?igente ; gutture scapu- 

 laribusgue ad marginėm, secondariis ad apicem stramineis ; 

 pectore et abdomine lineis fuscis Iransversis ; primariis nigres- 

 centibus, tribus fasciis incegualibus pallidė rufescentibus ; caudd 

 fasciis pallide fuhescentibus et fuscis omatd. 



Long. tot. unc, 7|; ala, 5; caudee, 4 ; tarsi, ^. 



HiBUNDO FRONTALis. Hir. vertice plumis auricularibus dorso 

 et lunuld pectorali nitide caruleo viridescentibus, notd albd super 

 nares, gtdd corporeque sublus albicantibus, crisso niveo, alis cau- 

 ddgue fuscis viridi tinctis, rostra nigro, pedibus intense fuscis. 



Long. tot 4| unc. al(B, 4| ; caud<B, 2 ; tarsi, į . 



Hab, Montevideo. 



HiRUNDO CONCOLOR. Htr. nitide ccerulescenti niger. 

 Long. tot. 5| unc. altE, 5 ; caudee, 2| ; tarsi, į. 

 Hab. in insulis Galapagorum. 



Halcyon erythrorhynchus. Halc.vertice plumis auricularibus, 

 et nuchdfuscescenti-cinereis, gtdd pectore et abdomine medio albis, 

 lateribus abdomine imo crissogue castaneis, alis humerisgue nigris 

 seco7idariis ad marginėm dorso medio tectricibusgue caudee metal- 

 licė viridibus, caruleo tinctis, caudd cccruled superne, subtusfus- 

 cd, rastro pedibusgue rubris. 



Long. tot. 7f unc. ; rast., 2 ; alce, 3| ; cauda, 2į ; tarsi, į. 



Hab. in insulžl St. lago. 



