Fig. 168. Hypol)rancliial arteries, Tlexanchus coriinis, ventral view. (From Keys.) 

 a.co., median coracoid artery ; iif.''\ third afferent artery ; co.a., coracoid artery ; La. 

 lateral (abdominal) artery; l.d.r., lateral abdominal vein; ii.cr., posterior coronary artery: 

 v.a., ventral aorta. 



