70 PROCEEDINGS OF THE NATIONAL MUSEUM. vor,. 60. 



Atylophor rafaelanus, new species. 



Fig. 8. Caudal end of body, dorsal view X 19.5. 

 9. Anal scale X 33. 



10. Leg of fifth segment, male X 19.5. 



11. Leg of seventeenth segment X 19.5. 



Plate 19. 

 Atylophor rafaelanus, new species. 



Fig. 1. Left gonopod of male, ventral view X 48.5. 



2. Left gonopod, ectal view X 48.5. 



3. Left gonopod, mesal view X 48.5. 



Schistides atopophallus, new specie.s. 



4. Antenna X 19.5. 



5. Eighth tergiteX19.5. 



6. Anal scale X 33. 



7. Leg of sixth segment of male X 19.5. 



8. Gonopods, ventral view X 33. 



9. Right gonopod, ectal view X 33. 



Tuvodesmuft ortliognnus, new species. 

 10. Anal scale X 31. 



Plate 20. 

 Ticnodesmus orthogonus, new species. 



Fig. 1. Head and collum, anterior view X 16. 



2. Head and collum, dorsal view X 16. 



3. Tenth left keel X 19.5. 



4. Caudal end, dorsal view X 16. 



5. Sternites of last two pediferous segmentsX33. 



6. Antenna X 19.5. 



7. Seventh leg of male X 19.5. 



8. Leg of posterior region of male X 19.5. 



9. Right gonopod, anterior viewX4S.5. 



Plate 21. 

 Tunodesmiis orthogonus, new species. 



Fig. 1. Right gonopod, ectal viewX48.5. 



2. Right gonopod, posterior view. 



Tunodesmus lami7iiger, new species. 



3. Tenth keel X 19.5. 



4. Gonopod, posterior view X 48.5. 



5. Right gonopod, lateroectal view X 48.5. 



Synthodcsmus simulans, new species. 



G. Collum X 19.5. 



7. Tenth keel X 33. 



8. Anal scaleX48.5. 



'.). Seventh leg of male X 48.5. 



