PYCNOGONIDA. 69 



Fig. 20 : The same, from below. 



d. The proboscis; e. ganglioiiic mass for the embryonal legs. The other letters as in the 

 preceding figure. 



- 21 : The same, lateral view. 



The letters as in fig. 19. 



Fig. 22 24. Paranymphon spinipes Canll. *) 



Fig. 22 : Larva of the first stage, dorsal view. 

 The letters as in fig. 20. 



- 23: The same, from below. 



The letters as in fig. 20. 



- 24: The same, lateral view. 



By a pressure of the covering glass the yolk-mass has been forced out into the first joint 

 of the right cheliforus, and has distended this joint; the claws of the embryonal legs have 

 also been curved by the same pressure. 



Fig. 25 27. Zetes hispidus Kr. 



Fig. 25 : Larva of the first stage, in the egg-shell, lateral view. 



a. Cheliforus; b. the first embryonal leg; c. the second embryonal leg; d. the proboscis; e. 

 egg-shell. 



26: Fore end of the same, more enlarged, lateral view. 



a. Cheliforus; a', duct of the byssus-gland; b. first embryonal leg; c. second embryonal leg; 

 d. proboscis; e. egg-shell. 



27: Larva of the first stage, dorsal view. 



The letters as in the preceding figure. 



Tab. III. 



Fig. i 6. Nymphon Sarsii n. sp. 



Fig. i : Full figure, dorsal view. 3 times enlarged. 



2: The same, lateral view; all limbs removed. 6 times enlarged. 

 3: A cheliforus. 



4: The outermost joints of the palps. 



5: The outermost joints of the ovigerous legs. 



6: The two joints of the foot with claw and auxiliary claws. 



Fig. 7 



8 



9 

 10 



- ii 



- 12 



Fig. 7 13. Nymphon Hoekii n. sp. 



Full figure, dorsal view. 3 times enlarged. 



The same, lateral view; all limbs removed. 6 times enlarged. 



A cheliforus. 



The outermost joints of the palps. 



The outermost joints of the ovigerous legs. 



The claw of the ovigerous legs. 



The two joints of the foot with claw and auxiliary claws. 



') The specific name of spinipes here in this plate is an error for spinosum. 



