-> '7 



y^ 



Fig. 161. Dorsal view of afferent and efferent arteries, S(iii(ili(s- .sucllii. (Elizalietli Chris- 

 tiansen, orig.) 



hr.af.^, first branchial afferent artery; hrj f., liranchial eff'erent artery ; dr., cross trunk ; 

 ce.. coeliac axis; da}, paired dorsal aorta; (/.«., unpaired dorsal aorta; v.c, external carotid 

 artery; Inj.af., hyoidean aft'erent; pa., pseudoljrancliial artery. 



