Plate II.—SEconpD DISSECTION OF THE SKATE (2). (Ad nat.) 
Upper Jaw. 
Carotid. 
hoy 
tst Gill Cleft. a ertebral. 
and " 
3rd u q 
Innominate formed 
by rst and 2nd Efferent 
4th wr = Branchials. 
3rd Efferent Branchial. 
5th " Innominate formed 
by 4th and sth Efferent 
Branchials, 
viduct. 
Subclavian. aan 
Coeliac. 
z : Ovi 1 Gland. 
Anterior Mesenteric. ducal Gland, 
Dorsal Aorta. 
Kidney. 
Pubic Bar. 
Urinary Papilla. 
Apertures of Oviducts, / 
Cloaca/ 
as Pore. 
Showing the efferent branchial and main arterial systems and the urogenital 
systems. The coracoid and pubic bars are cut through, the heart and alimentary 
canal, together with the floor of the buccal cavity, have been removed, 
