EXPLANATION OF PLATE XXXV. 



Fig. 1. Cryptolaria angulata, sp. nov. 



Shown without the supplementary tubes which 



ultimately surround it. 

 Fig. 2. Hypopyxis distans, sp. nov. 



Part of a pinna, with the opercula in various 



positions. 

 Fig. 3. Hypopyxis distans, sp. nov. 



Part of main stem. Opercula absent. 

 Fig. 4. Hypopyxis distans, sp. nov. Back view. 

 Fig 5. Hypopyxis distans, sp. nov. Gonotheca. 

 Fig. 6. Plumidaria sulcata, Lamarck. Gonotheca. 

 Fit^. 7. Plumidaria sulcata, Lamarck. Gonotheca. 



Figs. 1-7 x 40. 



