192 
MR. TOYNBEE ON THE NON-VASCULAR ANIMAL TISSUES. 
Fig. 3. A highly magnified view of the blood-vessels in the membrana sclerotica 
at the circumference of the cornea. 
A. The cornea. 
B. The membrana sclerotica. 
Fig. 4. A plexus of blood-vessels situated on the surface of the circumference of 
the cornea, between the latter and the membrana conjunctiva. 
Fig. 5. A plexus of vessels similarly situated to that of fig. 4. 
Fig. 6. Displays the manner in which the blood-vessels that ramify on the posterior 
part of the capsule of the crystalline lens are disposed at the circum- 
ference of the anterior surface of the capsule. From a human foetus of 
between four and five months. 
A. The anterior surface of the capsule of the crystalline lens. 
B. Blood-vessels situated on the anterior surface of the capsule at its 
circumference. 
[In the above Plates, the arteries, dilatations and veins, are distinguished from 
each other by the difference in the mode of engraving.] 
