45 20 Proceedings of the Royal Irish Academy. 



Plate III. 



AmpMascus varicolor, n. sp. 

 Fig. 



1. Female, dorsal view. 



2. ,, lateral view. 



AmpMascus spinifer, n. sp. 



3. Female, lateral view. 



4. 



jj 



abdomen dorsal view. 



5. 



>> 



first foot. 



6. 



>> 



rostrum and first antenna. 



7. 



j) 



second antenna. 



8. 



>> 



fifth foot. 



9. 



!> 



maxillipede. 



Tetragoniceps malleolata, Brady. 

 10. Male, fifth foot. 



