WILLIAMS: MIGRATION OF EYE IN PSEUDOPLEURONECTES. BT 
pt-pal. (dz.,s.) . 
rec. ord. 
TL G. 
rt. d. 
rt. p. 
rt. v.. 
sul, tet. opt. ‘ 
tor. opt. (dv. 8,).). 
tet. opt. 1 
2 
3 
4 
5 
6 
i 
trb. 
irb. su’orb. (dx., s.) 
trb. sworb. s. a. 
Pterygo-palatine 
cartilage (right, 
left). 
Recessus orbitalis. 
Anterior rectus 
muscle. 
Dorsal rectus. 
Posterior rectus. 
Ventral rectus. 
Sulcus of tct. opt. 
Optic tectum (right, 
left). 
Outer layer. 
Optic fibre layer. 
Optic fibrillar layer. 
Granular layer. 
Fillet, longitudinal 
and cross layers. 
Gray layer. 
Reticulate and epen- 
dymal layer. 
Trabecule cranii. 
Supraorbital bar 
(right, left). 
Anterior part of left 
supraorbital bar. 
trb. sw’orb. s. p. 
trt. opt. (d., v.) 
tu. co’nt. tis. 
ur’stl. 
unt. opt. 
yee eae he 
Es (dar., 8.) 7 
FI (da.,s.) 
ifeyd: 
ily. 
V. opt. su. . 
V. opt. pfnd. . 
Posterior part of left 
supraorbital bar. 
Optic tract (dorsal, 
ventral part). 
Connective tissue 
sheath. 
Urostyle. 
Optic ventricle. — 
First, ... tenth cra- 
nial nerves. 
Olfactory nerve 
(right, left). 
Optic nerve (right, 
left). 
Dorsal portion 
optic tract. ¥ 
Ventral portion of 
optic tract. 
Superior ophthal- 
mic branch of 
nerve V. 
Deep ophthalmic 
branch ofnerve V. 
For explanation of Greek letters, 
see text. 
