EUPAGTJRUS. 573 



Fig. 39. The front of the stomach with the stornato- 



gastric system of nerves. x 4. 

 Fig. 40. The right testis from above, with the vas 



deferens. x 2. 

 Fig. 41. Testis. A tubule in the region of the " dorsal 



coil " opened from the side. The chitinous 



tube of spermatozoa is seen to be partially 



divided up. x ca. 25. 

 Fig. 42. Testis. Spermatophores lower down the tube 



than in fig. 41. x ca. 50. 

 Fig. 43. A complete spermatophore at the end of the 



vas deferens, with a portion of its ribbon. 



x 123. 

 Fig. 44 {a and b). Spermatozoids, (a) from the side, 



(6) (after Retzius) from above. 

 Fig. 45. Section through glandular portion of testis. 



x 103. 

 Fig. 46. Section through germinal tubules containing 



free spermatozoa. x 103. 



Plate VI. 



Fig. 47. Fourth zoea of Eupa gurus bernhardus, from 

 the right side. x 16. 



Telson of first zoea of E. bernhardus . x 25. 



Telson of first zoea of E. prideauxii. x 25. 



Chela of fourth zoea of E. bernhardus. x 35. 



Telson of second zoea of E. bernhardus, with 

 " anlagen " of uropods. x 14. 



Tip of uropod of fourth zoea. 



Uropod of third zoea. 



First maxillipede of fourth zoea. x 50. 



Telson and uropods of fourth zoea. x 28. 

 Fig. 56. First maxillipede of first zoea. x 60. 



Fig. 



48. 



Fig. 



49. 



Fig. 



50. 



Fig. 



51. 



Fig. 



52. 



Fig. 



53. 



Fig. 



54. 



Fig. 



55. 



