PLATE LVI. 



FIGS. 



1-4. Chondr acanthus depressus T. Scott, V . (p. 172.) 



1. Antennule. 



2. Mandible. 



3. Foot of first pair. 



4. Foot of second pair. 



57. Chondracanthus depressus, var. oblongus, ?. (p. 173.) 



5. Antennule. 



6. Foot of first pair. 



7. Foot of second pair. 



8-10. Chondr acanthus annulatus Olsson, ? & <$. (p. 169.) 



8. ? Antennule. 



9. Mandible. 



10. $ Antennule. 



.11,12. Chondr acanthus limandse, Kroyer, ?. (p. 174.) 



11. Antennule. 



12. Mandible. 



13. Chondracanthus zei De la Roche, ? . Antennule. 



(p. 177.) 

 14,15. Chondracanthus clavatus Bassett-Smith, ?. (p. 175.) 



14. Antennule. 



15. Mandible. 



16-18. Chondracanthus lophii Johnston, ?. (p. 179.) 



16. Antennule. 



17. Mandible. 



18. Maxilla. 



( Figures much enlarged.) 



