147 
December 12, 18438. 
William Yarrell, Esq., V.P., in the Chair. 
A paper from Dr. J. B. Thompson was read, ‘‘On some forms of 
malignant disease in the Inferior Animals, with remarks on the ad- 
vantage of Comparative Pathology generally.” 
Mr. Gould laid before the Meeting an extensive series of Tou- 
cans, and called attention to two species which had not hitherto 
been characterized, viz. :— 
RaMPHASTOS CITREOLEMUS. Ramp. rostro nigro, vittd latd basali, 
et culmine olivaceo-viridibus, héc colore gradatim cum flavido apud 
apicem mandibule utriusque se commiscente ; ptilose nigra ; guld 
alba; pectore sulphureo, vittd splendid coccined cincto ; tectrici- 
bus caude superioribus sulphureis. 
Bill black, with a very broad basal band, and the culmen of an 
olive-green, passing into pale yellow on the points of both mandibles, 
and deepening into orange at the gape; the ridge round the base of 
the bill black; crown of the head, back of the neck, all the upper 
surface, wings, tail, breast, abdomen and thighs deep black; throat 
white; chest sulphur-yellow, bounded below by a band of rich deep 
scarlet; upper tail-coverts sulphur-yellow; under tail-coverts rich 
deep scarlet. 
Total length, 21 inches; bill, 55; wing, 8}; tail, 7}; tarsi, 13. 
Hab. Santa Fé de Bogota. 
In the collection of Prince Massena at Paris, and in my own. 
PreRoGLossus PacILosTERNUS. Pt. culmine rostri, strigd angustd 
ad basim mandibule superioris ; sic et mandibuld inferiore totd 
nigerrimis ; mandibulis utrisque ad basim lined prominente angusta 
aurantiacd circumdatis ; mandibule superioris lateribus belle au- 
rantiacis ; capite et guld splendidé nigerrimis; dorso, alis cau- 
ddque saturate viridi-olivaceis ; corpore inferiore sulphureo, vittd 
pectorali nigrd, alterd sanguined. 
Culmen, a narrow band down the base of the upper mandible and 
the whole of the under mandible deep black; narrow elevated ridge 
surrounding the base of both mandibles orange; sides of the upper 
mandible beautiful orange, fading into white towards the tip, which 
is stained with red; head and throat deep glossy black; back, wings 
and tail dark olive-green; rump and upper tail-coverts rich deep 
blood-red ; all the under surface sulphur-yellow, crossed on the chest 
~by an irregular band of black, and on the breast by another of deep 
blood-red ; the interspaces stained with scarlet ; thighs chestnut, each 
feather slightly fringed with sulphur-yellow. 
No. CXXX.—Procrepines or tHE Zoou. Soc. 
