.: '•~- '-'7. - *■>■ < 



Fig. 32. ^Sectional view of photogenic organ of a fish, Argyrophi-lccus aJJinis (after Brancr). 

 V, pigmented screen; dr., photogenic cells; r, r^, reflector V; /, lens '> ; s, sclera; 

 g, connective tissue. 



