232 F. JEFFREY BELL. 



XXXI. Genus Fibularia. 



A large number of immature specimens from a velu or lagoon of one of the smaller rim 

 atolls (faro) of N. Male, 5 /"., coarse sand. 



45. Fibularia volva. 



Fibularia volva, Ag. Ann. Sci. Nat. vii. (1847), p. 142; Al. Ag. Rev. Ech. (1872), p. 130. 

 Mahlos, 24 /., living and dead coral. 



XXXII. Genus Echinoneus. 



46. Echinoneus cyclostomus. 



Echinoneus cyclostomus, Leske, Addit. (1778), p. 173; Al. Ag. Rev. Ech. (1872), p. 117. 



From sand under stones or coral masses on the sand-flats at Minikoi and throughout the 

 Maldives. A large number of young specimens were dredged in the lagoons of Minikoi and 

 Hulule, 6 — 8 f., these appearing to be their nurseries. The young shells were never found 

 alive on any surface reef, but they are a regular constituent of sandy beaches. 



XXXIII. Genus Laganum. 



Immature forms dredged 6 times, 30 — 36 /., hard bottom with rubble, corals, sponges and 

 weed. 



47. Laganum dejwessuni. 



Laganum depressum, Ag. Man. Scutel. (1841), p. 110. 



Dredged 9 times in 6 atolls, 18 — 38/., rubble bottom with sand, or mud and perhajDS weed. 



XXXIV. Genus Clypeaster. 



An immature specimen from a passage into S. Nilandu, 25/, corals and sponges. 



XXXV. Genus Brissopsis. 



Immature forms only, from Mulaku, 30/, sand and weed. 



XXXVI. Genus Brissus. 

 A few immature specimens from Hulule. 



XXXVII. Genus Lovenia. 



48. Lovenia elongata. 



Spatangus elongatus, Gray, in Eyre, Discov. Central Austral, i. (1845), p. 436; Al. Ag. Rev. 

 Ech. I. (1872), p. 139. 



Lovenia elongata, Gray, Ann. and Mag. N.H. vil. (1851), p. 131. 

 Only from the sand-flat to the north of Hulule, under corals. 



