RiTTER. — Eyes of Typhlogobius calif. 



PLATE III. 



Fig. 17. Meridional vertical section of tlie eye of a specimen 19 mm. long. 



X 230. o, connective-tissue strands (see text, pp. 57, 58); /3, ciliary 



processes ? (see text, pp. 63, G4). 

 " 18. Small portion of the retina of the eye shown in Figures 5 and 16. X 980. 

 " 19. A small portion of a section of tlie retina near the ora serrata from tlie 



eye having no lens. X 700. 

 " 20. Section of tlie retina of Clevclandin. 

 " 21. A small portion of the retina of the eye-shown in Figure 13. X 350. 



