PLATE II. 

 Oxycephalus Clausi, C. BOVALLIUS. 



Fig. 1. The urus, <J. (Drawn by the author.) 



Oxycephalus tuberculatus, SPENCE BATE. 



Fig. 2. The animal from the side. (Facsimile from SPENCE BATE, 20.) 



3. The second pair of perseopoda. 



Oxycephalus pectinatus, C. BOVALLIUS. 



Fig. 4. The head from above, <$. (Drawn by A. M. WESTERGREN.) 



5. The first pair of perseopoda, cJ. 



6. The second <$. 



Oxycephalus latirostris, GLAUS. 



Fig. 7. The female from the side. (Drawn by the author.) 



8. (Reduced copy from CLAUS, 36.) 



9. The first pair of perseopoda, 9. (Drawn by the author.) 



10. The second 9. 



11. The dactylus of the seventh pair of pereeopoda, 9. 



12. The urus, 9. 



Tullbergella cuspidata, C. BOVALLIUS. 



Fig. 13. The second pair of peraeopoda, c?. (Drawn by the author.) 



Calamorhynchus pellucidus, TH. STREETS. 



Fig. 14. The head from above, 9. (Facsimile from STREETS, 20.) 



15. The second pair of perseopoda, 9. 



Dorycephalus Lindstroemi, C. BOVALLIUS. 



Fig. 16. The female from the side. (Drawn by the author.) 



17. The second pair of perseopoda, tf. A. M. WESTERGREN.) 



18. The seventh $. the author.) 



