•873.] "«• GARROD ON THE CA ROT* D ARTERIES OF BIRDS. 457 



ciT Al! h t e hp° n l SenUS WhlC ^ P r0duces P eculi " intertropical sne- 



4. On the Carotid Arteries of Birds 



% A. H. Garrod, B.A., F.Z.S., Prosector to the Society. 



[Received April 10, 1873.] 



resuKf'lhd^T 18 f f nd , I83 ° ^ hree an ^ tomists Polished the 

 Jesuits of their independent observations respecting the number of 



t c trcr The h n 7i d r eries ° f the different -s£ o 



ine class Aves. Ihe first of these was Bauer* who in 1S9^ 

 pointed out some of the most noteworthy peculia ritie , wl Zh t ' 

 been subsequently verified. Meckel t in 1S9« ' T , , 



monstrate tie existence of otheT ma ic d S&C"2ftf J" 

 servations, extending over a considerable peHotare incorporated t 

 his 'Comparative Anatomy.' In 1820 C T u ' ? re incor P orat fd in 

 same s ubj P t f . d[ l n &^£^*g*£ 



hat time scarcely any further additions have been Lde and the ub 

 ject has been almost entirely neglected It is nnt 7 00 , ♦ i . 



carotids of the vanoos birds examined bv „>,.!' .. ,1 • 



that the previously known ^JSTbS^&a £TZ ¥ 



heart, Sest^^f l^ff ^ "» 



innominate, after sending off pectoral ,„d subcCan bra lc L »n 

 tmues to ascend , short way; and when near the sopeTr apVtoe 



t Observation de Avium arteria earotide co.nnntni (H a £ l 8 ^y) ' ^ 



