WIuiAms. — Eye of Flounder. 
Fig. 8. 
Fig. 9. 
Fig. 10. 
Fig. 11. 
Fig. 12. 
PLATE 2. 
(Pseudopleuronectes americanus.) 
Brain of fish 75 millimetres long, dorsal view. xX 8. 
Nore. — 0b. inf. should have been obl. inf. 
Same brain viewed from right side.  X 8. 
Note. — 0b. sv. should have been oll. su. 
Facial cartilages of fish of Stage II. as seen from above.  X 100. 
Notre — Meckel’s cartilage does not extend as far caudad as the letter- 
ing, crt. mk. dx., which is placed opposite the quadrate-hyomandibular 
mass. 
Dorsal view of brain, transposed eye and cranial nerves of adult. From 
a dissection. X 2. 
Chiasma of a fish at Stage I. seen from in front. X 760. 
