Plate 2. 



Fir;.]. Bdlhysiphoii Jillformis. X 7. 



2. Bn thy siphon ru/us. X 7. 



3. Bafhysiphon rufesccns. X 12. o, side view; 6, end view. 



4. Bathysiphon Jlnvidu.v, var. (jifjanteus. X 3. a, side viev;; 6, end vie^v. 



5. Bathijsiphon papyraceus. X 3. «, side view; h, end view. 



6. Rhhamminn indinsa. X 27. 



7. Psamrnosphaera parva. X OG. 



8. Saccamnnna sphaerica, var. catcnulata. X 30. 



491 



