EXPLANATION OF THE FIGURES 



on Plates II and III 



1. Pallene dimorpha, Hoek, female specimen, dorsal view, magnified 

 29 diameters. 



2. Same species, male specimen, ventral view, magnified 29 diameters. 



3. Same species, male specimen, mandible and palp seen from the ventral 

 side, magnified 58 diameters. 



4. Same species, female specimen, second-fourth joints of one of the 

 legs of the first pair. At $ the genital porus. Magnified 40 diameters. 



5. Same species, male specimen, two last joints of one of the legs. 

 Magnified 58 diameters. 



6. Same species, male specimen, two last joints of the ovigerons leg. 

 Magnified 192 diameters. 



7. Aiioplodactylus neglecta, Hoek. Frontal part of the body with the 

 mandibles, female specimen, magnified 30 diameters. 



8. Same species. The whole animal , dorsal view, magnified 3.8 diameters. 



9. Same species. Second-fourth joints of one of the legs, magnified 30 diam. 



10. Same species. Two last joints of one of the legs, magnified 30 diameters. 



11. Colossendeis japonica, Hoek, dorsal view, magnified 3.8 diameters. 



12. Same species. Two last joints of the leg, magnified 15 diameters. 

 18. Same species. Two last joints of the ovigerous leg, magnified 67 diameters. 



20. Pycnogonum magellanieum , Hoek. Female specimen, dorsal view, 

 magnified 10 diameters. 



21. Same species. Two last joints of one of the legs, magnified 21 dia- 

 meters. 



14. Chaetonymphon hirtum, Fabr. (Kröyer), magnified 4 diameters. 

 (N.B. In this specimen the third ambulatory leg of the left side is 

 rudimentary). 



15. Same species. The terminal part of the proboscis and the hand of 

 the left mandible, magnified 29 diameters. 



16. Same species. The fingers of the mandible, magnified 40 diameters. 



17. Same species. One of the palps, magnified 40 diameters. 



18. Same species. The ovigerous leg, magnified 29 diameters. 



19. Same species. The last two joints of one of the ambulatory legs, 

 magnified 29 diameters. 



