-1 
He 
a 
σῇ 
sw y uU U u 5 U Uu sg a sg t 
G. 0. SARS, CRUSTACEA CASPIA. [κ. S. 1Y 
18. Pereiopod of 2nd pair 
14, Extremity of same, more highly magnified, showing the structure of the dactylar joint. 
15. Right uropod (without the marginal setze) 
16. Telson, viewed from the dorsal face. 
17. Extremity of same, more highly magnified. 
18. Adult male, viewed from left side. 
19. Peduncle of left superior antenna of male, viewed from below. 
20. Male appendage of same, more highly magnific 
21. Basal part of left inferior antenna of male, with the scale and base of the flagellum. 
21* Tip of the scale, more highly magnified. 
22. One of the outer sexual appendages of male. snk BEBE A 
23. Third pleopod of male. x 
24. Fourth pleopod of male. 
Melanges biologiques. T. XIII, p. 422. 
