PLATE XXVII. 



Figs. 1-4. Stylocheiron suhmii, G. 0. Sars. 

 Fig. 1. Female, from right side ; magaified about eighteen times. 

 Fig. 2. Antennal scale. 

 Fig. 3. Extremity of a leg of second pair. 

 Fig. 4. Anterior part of body of a male specimen, from above. 



Fig. 5. Stylocheiron longicorne, G. 0. Sars. 

 Fig. 5. Female, from right side ; magnified about eighteen times. 



Figs. 6-10. Stylocheh'on elongatum, G. 0. Sars. 

 Fig. 6. Adult male, from right side ; magnified about twelve times. 

 Fig. 7. Antennal scale. 

 Fig. 8. Extremity of a leg of second pair. 

 Fig. 9. Inner plate of a male pleopod of first pair. 

 Fig. 10. Inner plate of a male pleopod of second pair. 



Figs. 11-13. Stylocheiron ahbreviatum, G. 0. Sars. 

 Fig. 11. Female, from left side ; magnified about eighteen times. 

 Fig. 12. Right antenna, with scale and proximal part of flagellum, from below 

 Fig. 13. Extremity of a leg of second pair, forming a complete chela. 



