466 



MR. A. H. GARROD ON THE 



[May 6, 



Conurus petzi. 



holochlorus. 



Ca'ica melanocephala. 

 Psittacus erithacus. 

 Nestor notabilis. 



hypopolius. 



Brotogerys tiriacula. 



virescens. 



tui. 



Pionus menstruus. 



Chrysotis f estiva. 



ockrocephala. 



levaillantii. 



Psephotus Juematogaster. 

 Cyanorhamp>hus auriceps. 



- novce zealandice. 



Platycercus eximius. 



pallidiceps. 



Psittacula passerina. 

 Lathamus discolor. 



In the following species, forming the fourth section, the left carotid 

 only is developed : — 



Cacatua galerita. Cacatua cristata. 



I have not yet had an opportunity of examining the third con- 

 dition, i. e. that said to occur in Cacatua sulphurea. 



ACCIPITRES. 



Both carotids are present in all these hirds. 



Species examined. 



Cathartid^;. 

 Cathartes atratus. 

 Gyparchus papa. 



VlJLTURID^E. 



Neophron percnopterus. 

 Gyps/ulvus. 



SeRPENTARIIDvE. 



Serpentarius reptilivorus. 



Falconid^e. 

 Polyborus brasiliensis. 

 Milvus ictinus. 

 Buteo vulgaris. 



Archibuteo lagopus. 

 Helotarsus ecaudatus. 

 Haliaetus albicil/a. 



vocifer. 



Aquila ncevioides. 



audax. 



Spilornis c heel a. 

 Thrasaetus harpyia. 

 Falco peregrinus. 



melanogenys. 



Hypotriorchis subbuteo. 

 Tinnunculus alaudarius. 

 Melierax monogrammicus. 

 Astur palumbarius. 

 Circus cineraceus. 



Strigid^e. 



Both carotids are present in these birds. 

 Species examined. 

 Strix flammea. Ketupa javanensis. 



Otus vulgaris. Scops zorca. 



Syrnium aluco. Athene noctua. 



nebalosum. passeriiia. 



Bubo maximus. brama. 



• ■ virginianus. Pholeoptynx cunicularia. 



bengalensis. Glaucidium, sp. 



capensis. Pulsatrix torqvata. 



poensis. Surnia funerea. 



fasciolatus. 



