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1. CyYANURUS BULLOCKI, Bp. Cyaneus, subtus albus: gula, ge- 
nis, pectoreque nigris: crista frontali parva: rectricibus dua- 
bus mediis mirifice elongatis, lateralibus apice latissime albis. 
Synonyms. 
Pica Bullocki, Wagl. 1827. 
Pica miles, Licht. 
Pica formosa, Sw. 
Garrula gubernatrix, Temm. Pl. Col. 436. 
Psilorhinus gubernatrix, Gr. 
Hab. in Mexico. 
2. CyaNuRUS COLLIEI, Bp. Cyaneus, subtus cum genis albus ; 
torque jugulari nigro: crista sincipitali magna: rectricibus 
mediis modice elongatis ; lateralibus apice latissimis albis. 
Synonyms. 
Garrulus bullocki, dud. nee Wag. 
Psilorhinus bullocki, Gv. 
Pica Colliei, Vig. Zool. Beechey’s Voy. f. 7. 
Garrulus Burneti (err. bernetti, berneti and bennetti), J. Gr. 
Garrulus ultramarinus, 4ud. nec Bp. Am. B. t. 96. 
Had. in California. 
3. Cyanurus parr, Bp. Cyaneus, subtus omnino albus : erista 
occipitali longa; rectricibus mediis valde elongatis ; omnibus 
apice nigris. 
Hab. in Asia magis orientali, Corea. 
4, Cyanurus cuso, Bp. Cyaneus, subtus antice niger: crista 
nulla: rectricibus mediis valde elongatis ; omnibus apice albis. 
Synonym. 
San-zjak, Japonens. (which name applies also to the red-billed Calo- 
citta sinensis). 
Hab. in Asia magis orientali, Corea. 
Naturalists acquainted with the two American species will see, in- 
dependently of these phrases, how much more strongly the characters 
contrast between my two new Asiatic species than between the old 
American ones, although in some aspects they may be considered to 
bear to each other the same relations. At all events that I should 
be excused, if not justified, my Chinese Black-billed Cyanuri must on 
every account be followed and supported by Schlegel’s own genus 
Biophorus and by its only species Biophorus paradisiacus of the 
Fauna Japonica, Av. Suppl. tab. B. Of this splendid bird also the 
portrait only has yet reached Europe, taken by a Japanese artist from 
the living bird under the eye of the celebrated Siebold, who is war- 
rant of its correctness. 
The next genus will be that of the red-billed, long-tailed, Blue 
Magpies, to which I give the name of Calocitta, not being able to 
apply to the group any older than that given to it by my friend Gray 
