PLATE XII. 



Figs. i-7. Crangopsis couttsi sp. nov. . . . . . . . . . . . . . . Page 76. 



1. Coutts Collection. Nat. size. Trunk and tail of male, showing head organs .and modified 



pleopods of first and second pair. Locality, (Jementstone Quari'v, East Kilbride, 

 Lanarkshire. 



2. (Joutts Coll. Nat. size. Trunk and tail. Same locality. 



.3. Coutts Coll. Nat. size. Trunk and tail. Shows the nature of the epimera of tail 

 segments. Same locality. 



4. Coutts Coll. Nat. size. Trunk and tail. Shows head organs and tail fan. Same locality. 



o. CJoutts Coll. M.agnified front of carapace, eyes, antennular j)eduucle, and ba.sal scale of 

 antenna. Same locality. 



6. Tail fan of fig. 4, magnified. 



7. Restoration of m.ale, magnified about 2 diam. 



Figs. S-12. Crani/opsis robusfa sp. nov. . . . . . . . . . _ . . . . Page 7S. 



8. N.at. size. Trunk and tail of .adult female, with ovisac with ova. Locality, Coomsdon 



Burn, a half-mile above junction with Rede Water, Northumberland. 



9. Nat. size. Two specimens, ^showing trunks and tails. Same loaxlity. 

 10. Tail fan, magnified. Same locality. 



IL First tail segment, magnified to show forwardly-direeled epimeron. Same locality. 

 12. Restoration, masnified. 



