4C-4 MR. A. H. GARROD ON THE [May G, 



Trogonid.e. 

 The left carotid only is present in these birds. 

 Species examined. 

 Trorjon mexicanus. Troyon pitella. 



Meropid^e. 

 The left carotid only is present in these birds. 

 Species examined. 

 Merops apiaster. Merops ornatus. 



MOMOTID^E. 



Both carotids are present in these birds. 

 Species examined. 

 Momotus lessoni. Eumomota superciliaris. 



Galbulid^e. 

 Both carotids are present in these birds. 

 Species examined. 

 Galbula albirostris. Urogalba paradisca. 



Alcedinid,e. 

 Both carotids are present in these birds. 



Species examined. 

 Alcedo ispida. Ceryle amazona. 



Halcyon, sp. maxima. 



Dacelo giyantea. Cittura cyanotis. 



Dacelo cervina. 



BuCEROTIDjE. 



Both carotids are present in these birds *. 



Species examined. 

 Buceros rhinoceros. Bnceros corqnatvs. 



plicatus. atratus. 



bicornis. 



UpUPIDiE. 



The left carotid only is present in 

 Upupa epops. 



MusophagidjE. 

 Both carotids are present in these birds. 

 Species examined. 

 Musophaga violucea. Corythaix albocristata. 



Schizorhis africana. 



* PS., Sept. 4. — In a specimen of Tocevs melanoleiicus just dissected I find 

 the left carotid only present. 



