RITTER. 
20. 
21. 
-~ Eyes of Typhlogobius calif. 
’ PLATE III. 
Meridional vertical section of the eye of a specimen 19 mm. long. 
< 230. a, connective-tissue strands (see text, pp. 57, 58); 8, ciliary 
processes 4 (see text, pp. 63, 64). 
Small portion of the retina of the eye shown in Figures 5 and 16. X 980. 
A small portion of a section of the retina near the ora serrata from the 
eye having no lens. X 700. 
Section of the retina of Clevelandia. 
A small portion of the retina of the eye shown in Figure 13. 350. 
