260 



Part III. — Tiventy-second Annual Report 



Thaumaletta rostratus, T. Scott, sp. n. 



Fig. 5. 



Fig. 6. 



Fig. 7. 



Fig. 8. 



Fig. 9. 

 Fig. 10. 

 Fig. 11. 



Fig. 12. 

 Fig. 13. 

 Fig. 14. 



Female, dorsal view 

 Antennule, female 

 Fifth pair of thoracic feet, female 

 Abdomen and caudal furca, female 



Monstrilla grandis, Giesbrecht. 



Antennule, female 



Fifth pair of thoracic feet, female 



Abdomen and caudal furca, female 



Monstrilla anglica, Lubbock, 



Antennule, female 



Fifth pair of thoracic feet, female 



Abdomen and caudal furca, female 



Monstrilla gracilicauda, Giesbrecht. 



Fig. 15. Fifth pair of thoracic feet, female 



Monstrilla dubia, T. Scott, sp. n. 



Fig. 16. Antennule, female .... 



Fig. 17. Fifth pair of thoracic feet, female 

 Fig. 18. Abdomen and caiidal furca, female 



Thaumahus rigidus, I. C. Thompson. 

 Fig. 19. Abdomen and caudal furca, female 



Thaumahus zetlandicus, T. Scott, sp. n. 



Fig. 20. 

 Fig. 21. 

 Fig. 22. 



Antennule, female 



Fifth pair of thoracic feet, female 



Abdomen and caudal furca, female 



X 79. 



X 64. 

 X 106. 

 X 79. 



X 130. 



64. 

 79. 

 79. 



PLATE XV. 



Monstrilla grandis, Giesbrecht. 



Antennule, male ..... 

 Abdomen and caudal furca, female 



Thaumahus zetlandicus, T. Scott, sp. n. 



Antennule, male ..... 

 Abdomen and caudal furca, male 



Stenothocheres egregitis, Han. 



Side view, female 

 Dorsal view, female 

 Antennule, female 

 Antenna, female . 

 Foot of first pair 

 Foot of second pair 



Sphceronella minuta, T. Scott, sp. n. 



Female, side view 



Female, dorsal view 



Antennule 



First maxilliped . 



Second maxilliped 



