PINEAL EYE OF YOUNG AND ADULT ANGUIS FRAGILIS. 
p.l. 
re 
eG. 
EXPLANATION OF PLATE I. 
Capsule of connective tissue. 
Clear substance of unknown character. 
Connective tissue. 
Epiphysis. 
Lens. 
. Molecular layer. 
. First nuclear layer. 
Second nuclear layer. 
Parietal bone. 
Pigment layer. 
Retina. 
Sensory cells. 
95 
N.B.—The anterior end of both figures is at the right 
hand side. 
Fig. 1. Vertical longitudinal section through pineal eye 
Fig. 2. 
of the adult Anguis fragilis. 
Zeiss, Obj. D, Oc. 2. 
[The section from which this figure has been 
taken, showed the epiphysis only down to +. 
complete connection of pineal eye and brain by the 
epiphysis could, however, easily be traced in other 
sections of the series. | 
The 
Vertical longitudinal section through pineal eye 
of the young Anguis fragilis (six days old). Zeiss ~ 
Obj. 
IDO Cees 
[A larger portion of the epiphysis in proximal 
direction is shown in this figure.] 
