BLOOD-VASCULAR SYSTEM OF THE LORICATI Teh 
veins. Usually, there are 2 suprarenal verns (fig. 10, Sr.V.), 
which pass inward and join the right cardinal. 
(d) The left cardinal vein (figs. 1 and 5; L.Car.V.) is a very 
short and unimportant vessel; having its source entirely from 
the anterior end of the left fork of the kidney. The blood from 
the posterior part of this fork reaches the heart through the 
right cardinal. The left cardinal unites with the left jugular in 
forming the left precava, which passes around the left side of 
the cesophagus and terminates in the sinus venosus. 
(e) feenal Portal System in Scorpenichthys, Hexagrammos 
and Sebastodes. —In each of these genera the renal portal sys- 
tem is in the main substantially the same. Some minor varia- 
tions are noted in the 3 following paragraphs. 
The renal portal system in Scorpenichihys is essentially the 
same as in Ophzodon. The caudal vein after passing through 
the hazmal canal of the first caudal vertebra penetrates the 
dorsal surface of the kidney, and breaks up into two renal por- 
tal veins. As in Ophiodon a posterior mesenteric vern (fig. 29, 
P.Mes.V.) is also present, which arises from a gastric and an 
intestinal branch, and after passing over the urinary bladder 
from which it receives a branch, penetrates the posterior apex of 
the kidney, terminating in the renal portal; but the distance 
it has to go cephalad in the kidney is much greater than in 
Ophiodon, and numerous branches are given off, which reach 
the cardinal through the efferent renal veins; so that the pos- 
terior mesentric vein is much reduced in caliber upon joining 
the renal portal. It is of interest to note in this connection that 
in Enophrys and Calycilepidotus, 2 genera of the family Cot- 
tidze, no such vessel as the posterior mesenteric was noticed. 
As regards the spermatic veins, they are also of especial in- 
terest, coming in midway between Offzodon and the peculiar 
arrangement found in Sedastodes. In the female there is a 
right and a left spermatic vein (fig. 29, R. and L.Sper.V), each 
of which receives numerous branches coming from the lateral 
surfaces of their respective ovaries. From each of these longi- 
tudinal veins there arise a cephalic and a caudal vessel; both 
of which unite with corresponding vessels from the opposite side 
to form the spermatic veins proper (fig. 29; Sper.V.,,,,,), and 
