TESCH— PTEROPODA AND HETEROPODA 107 



Clio Linne. 



10. Clio pyramidata Linne. 



Stat. C (8), N. of Chagos Archipelago; N (1), P (3), Chagos Archipelago; c (3), 

 d (3), Mauritius; e (1), Mauritius — Cargados Carajos ; n (5), Saya de Malha Bank; 

 q (3), Farquhar ; y (1), Providence; aa (4), N. of Providence; ee (l). kk (1), 11 (10), 

 mm (7), nn (13), Amirante Group. Dredging Stat. C 20 (3), Saya de Malha Bank. 



11. Clio cuspidata (Bosc). 



Stat. C (7), N. of Chagos Archipelago; N (1), Chagos Archipelago. Dredging 

 Stat. C 20 (2), Saya de Malha Bank. 



Cavolinia Abiklgaard. 



12. Cavolinia tridentata* (Forskal). 



Stat, e (1), Mauritius — Cargados Carajos; x (3), Providence; kk (2), Amirante 

 Group. 



13. Cavolinia longirostris (Lesueur). 



Stat. F (2), N. of Chagos Archipelago; x (2), Providence; dd (l), mm (3), nn (l), 

 Amirante Group. 



14. Cavolinia uncinata (Rang). 



Stat. C (1), N. of Chagos Archipelago; ee (2, 1 empty), Amirante Group. Dredging 

 Stat. C 16 (2, empty), C 20 (4, empty), Saya de Malha Bank. 



15. Cavolinia gibbosa (Rang). 



Dredging Stat. C 16 (3, empty), C 20 (4, empty), Saya de Malha Bank. 



16. Cavolinia globulosa (Rang). 



Stat. C (2), N. of Chagos Archipelago; aa (it), N. of Providence; 11 (10), mm (1), 

 Amirante Group. Dredging Stat. C 16 (2, empty), Saya de Malha Bank. 



17. Cavolinia inflexa (Lesueur). 

 Stat, p (1), Farquhar. 



Diacria Gray. 



18. Diacria trispinosa (Lesueur). 



Stat. C (5), N. of Chagos Archipelago; nn (1), Amirante Group. Dredging Stat. 

 C 16 (3, empty), Saya de Malha Bank. 



19. Diacria quadridcntata (Lesueur). 



Stat, u (3t), Farquhar; mm (2) Amirante Group. Dredging Stat. C 16 (7, empty), 

 Saya de Malha Bank. 



* All specimens were in a young stage (l'lc.uropus lonyifilis Troschel). 

 t This specimen was also in a young stage (I/t/akea rotundala Boas). 



\ All specimens were young (Cleodora pygmcea Boas) ; it is, however, not ((iiite certain whether this form 

 really should he referred to Diacria quadridentata. 



