Fig. 24. E. similis. a, front part of carapace and first segment of antennules from above, x 19. b, left 

 antennular peduncle from the side, x 14. c, var. armata showing the degree of development of the process 

 on the third abdominal segment in five individuals, x 14. 



Fig. 25. E. similis. ai, inner and median lobe of the left copulatory organ of male from behind, x 67. 

 a 2, enlarged drawing of the projection near the end of the terminal process, from in front, b, var. armata, 

 left copulatory organ of male, x 67. 



