The Cumacea of tlie Puritan Expedition. 431 



Leptostylis niacrura G. 0. Sars. 



L. tnacnira, G. 0. Saks, Ciust. Norway Voi. 3 1900 p. 69, pi. 49. 

 Tbree males and one female of this species were found. 

 Occurrence. — »Station 25. Depili 200 metres. 



Diastylopsis sp. 



A number of specìmens, most of which are immature, appa- 

 rently belong to the imdescrlbed species of this genus already 

 reeorded from the West of Irelaud (Calman, Fisheries Irelaud Se. 

 [nvest. 1904 N: 1 [1905] p. 48). 



Occurrence. — Stations 17, 29, 39, 44. Depth 100 — 

 1100 metres. 



Explanation of Figures. 



Piate 27. 



1. Leucon longirostris, sub-adult Female, from the side. X 21. 



2. Anterior portion of carapace and pseudorostrum. 



3. Last two thoracic somites and basai portion s of the lega. 



4. Antennule. 



5. Last somite and uropod. 



6. Leucon longirostris^ adult Male, from the side. X 21. 



7. Anterior portion of carapace and pseudorostrum. 



8. Last somite and uropod. 



9. Leucon siphonatus, Antennule of adult female. 

 0. Cuìnellopsis Puritani, adult Male, from the side (appendages omitted). 



X29. 



Cephalothoracic region from above. 



Last somite and uropod. 

 Fig. 13. Procampylaspis armata, immature Female, from the side (appendages 



omitted). X 22. 

 Fig. 14. The same, from above. 

 Fig. 15. Last two somites and uropod. 



Fig. 16. Adult Male, from the side (appendages omitted). X 22. 

 Fig. 17, The same, from above. 

 Fig. 18. Anterior part of carapace, with ocular lobe and pseudorostrum, from 



above. 



Sub-adult male , Peduncle of antenna. 



Adult male, last two somites and uropod. 



Procampylaspis Bonnieri, adult Female, from the side (appendages 



omitted). X 37. 



The same, from above. 



Last two somites and uropod. 



Adult Male, from the side (appendages omitted). X 37. 



