VISUAL CELLS IN VERTEBRATES—HOWARD PLATE 5 
oF, | 
bs : ’ 
/ gine. ( [ 
~ aa nl. 
\ Be es ‘ 
| | ; 
. : — gran. ell. 
— prs. dst. 
‘ > 
“ell. con. dst. F 
ell. con, prx. Fig. 40 
Fig. 41 
Us 
prs. prx.! I 
| Fig. 43 
v prs.dst. ~ 
Fig. 44 
Fig. 45 
JOURNAL OF MORPHOLOGY--VOL. XIX, NO. 3 
