THE CAROTID ARTERIES OF BIRDS. 
GaALBULIDZ. 
Both carotids are present in these birds. 
Galbula albirostris. Urogalba paradisea. 
ALCEDINIDZ. | 
Both carotids are present in these birds. 
Species examined. 
- Alcedo ispida. Ceryle amazona. 
Halcyon, sp. —— mazima. 
Dacelo gigantea. Cittura cyanotis. 
—— cervina. 
BUCEROTIDZ. 
Both carotids are present in these birds.* 
. Buceros rhinoceros. Buceros coronatus. 
—— plicatus. — atratus. 
b - * 2 > 
Urvurw2. 
The left carotid only is present in 
Upupa epops. 
MusopHaciD2. 
Both carotids are present in these birds. 
Musophaga violacea. Corythaiz albocristata. 
Schizorhis africana. 
CucuLipz. 
Both carotids are present in these birds. 
Speci ned 
Cuculus canorus. are Centropus senegalensis. 
Cacomantis sepulcralis. Guira piririgua. 
Chrysococcyz, sp. Pheenicophaes, sp. 
RAMPHASTID2. 
The left carotid only is developed in these birds. 
Ripon ae 
Ramphastos cuvieri. Ramphastos carinatus. 
169 
* PS., Sept. 4—In a specimen of Toccus melanoleucus just dissected I find the 
left carotid only present. 
