tup* 



Lr.-- 



Fig. 260. — A diagram of the venous system of the dogfish. 



a.c.s., Anterior cardinal (or internal jugular) sinus; Bra.s., brachial sinus ' K c.v., 

 caudal vein ; d.C., ductus Cuvieri, or precaval sinus ; d.l.s., deep lateral sinus ; 

 h.j>.v.) hepatic portal vein; k.s., hepatic sinus; ky.s., hyoidean sinus; z'.j'.s., 

 inferior or external jugular or subbranchial sinus ; i.o.s., interorbital sinus ; U.S., 

 iliac sinus; int., intestine; k., kidney; lr. s liver; n.s., nasal sinus; or.s. t 

 orbital sinus; p.c.s., posterior cardinal sinus; r.p.v.^ renal portal vein ; s.v.j 

 sinus venosus ; scl.s., subclavian sinus ; sup.Ls., superficial lateral sinus. 



24 



