724 BULLETIN UNITED STATES GEOLOGICAL 6UEVEY. [Tol.Y. 



1865. Schmidt, Max. [Eiuiges iiber Eamphastos tliscolorus Gm.] <^Zool. Gart., v, 



1865, pp. 267, 268. 



1866. Gould, J. Description of a New Species of Toucau beloDgiug to the Genus 



Aulacoramplius [A. cyanolajmus]. <^ P. Z. ^., xxxiv, 1866, p. 24. 



1867. Cassin, J. A Study of the Eliamphastidse. <^Proe.Acad. Xat. Sci. P/tiZa. , xix, 



1867, pp. 100-124. 



Monographic. 5 genn., 64 spp. Burhynehus,]}. 102; Tucanus, p. lOi; Bamphodryas,]). 106; 

 Boillonius, p. 114; Hamphastoides, p. 117, subgg. nn. No new species are described. Cf. 

 Zool. Bee, iv, 1867, p. 88. 



1867. Schmidt, Max. [Einiges liber Ramphastos im Gefangensoliaft. ] <^ Zool. Gart., 

 viii, 1867. 



1870. Stevens, R. P. The Toucan's Beak. < Am. Nat., iv, 1870, pp. 622, 623. 



On the adaptation and uses of the organ in BhamphastidcB. 



1871. Stevens, R. P. Tukanens Nseb. <^ Tidssh. for popidoere Fremst. af Naturvid&nslc., 



4eser.,iii, 1871,p.80. 

 ,, Sp'/<rgsmaalet: i hvilket ^jemed har Tukanen sit ejendonunelige NsBb." 

 1876. Gurnet, J, H., Jr. Toucans in England in the Seventeenth Century. <^ Zo- 

 ologist, 2d ser., xi, Mar., 1876, pp. 4838, 4839. 

 Extracts from Plot's JVafc Hist. Oxfordshire, 1677, and Leigh's Nat. Mist. LwncasMre, 1700. 



