Mr. 0. Salvin on the Costa-Rican Bell-bird. 91 



skins before me has suggested, I will briefly review the other 

 known members of this limited genus. Four species are now 

 included under the generic title Chasmorhynchus, which has no 

 near allies in the family Cotingidce, to which it belongs. Dr. 

 Sclater in his Catalogue places it near Querula, which is, per- 

 haps, its most convenient place. The range of these four spe- 

 cies extends, so far as our present information goes, in broken 

 intervals from S.E. Brazil to Costa Rica, no species occurring, 

 to our knowledge, in the western forests of the Andes. 

 The four species may be thus shortly described : — 



Species with throat naked : no upper caruncle. C. nudicollis, 

 S.E. Brazil; C variegatus, Brazil. 



C. NUDICOLLIS (Vieill.), Nouv. Diet. viii. p. 164. Chasmo- 

 rhynchus nudicollis, Temm. PI. Col. 368, 383. C. ecarunculatus, 

 Spix, Av. Bras. ii. p. 3. pi. 4. Procnias albOf Thunb. ; Gray, 

 Gen. B. p. 280; Sclater, Cat. p. 258. 



6 . Albus, ecarunculatus: regione oculari et gula nudiusculis,plu- 

 mulis nigris partim vestitis ; linea nigra angusta utrinque 

 supra oculos transeunte mesorhino terminata. 



$ . Olivascenti-viridis : subtus variegata plumis medialiter dilu- 

 tioribus ; capite obscure fusco. 

 Hah. S.E. Brazil. 



The bare parts of the chin and round the eye are coloured 

 green both by Temminck and Spix. 



C. VARIEGATUS (Gmel.), S. N. i. p. 841. C. variegatus, 

 Temm. PL Col. 51; Sclater, Cat. p. 257. 



(^ . Albus : capite toto brunneo : alis nigris, carunculis multis 

 nudiusculis e gula peudentibus : regione oculari nigra. 



5 . Poeminse prsecedentis similis, sed capite dilutiore, carunculis 

 nullis. 

 Hab. Brazil. 



In Temminck^s plate the gular caruncles are vermiform in 

 shape, about 1^ inch long, and coloured purplish. 



An immature bird in Dr. Sclater's collection which has almost 

 assumed the adult dress shows only very small caruncles. 



