AEP He DPX. 
Tue following List of Marine Testaceous Mollusca, collected by 
Mr. Robert MacAndrew, F.R.S., during a month passed in the 
Canary Islands in 1852, is extracted from his Essay on the 
“* Geographical Distribution of the Testaceous Mollusca in the 
‘North Atlantic and neighbouring Seas,” Liverpool, 1854, 8vo. 
Messrs. Webb and Berthelot’s collection contains only 124 
marine species ; in this list the number is raised to 273, and 170 
are new to the fauna of the district. 
The number inserted before the name refers to the number in 
M. @Orbigny’s work and this list; and the others marked with 
B.M. are in the British Museum, specimens having been kindly 
presented by Mr. MacAndrew. 
ACEPHALA LAMELLIBRANCHIATA, 
Depth. | Ground. Frequency, &c. 
| faths. 
MENTED Or \veseracskesetae tes - shore —  |frequent ; in the stock 
| of an anchor. 
Gastrochena cuneiformis.' 2-60 | coral  |frequent. 
195. Saxicava arctica............ | 12-40] sand _ {not frequent. 
WeEnerupisarus «....c06..%00 | shore —  |frequent. 
Corbula nucleus ......... | 16 |sand &m.|not fr.; Lancerote. 
Nezra cuspidata ......... /20-35| mud |frare; Teneriffe. 
Costellata tcccccs<F>0s 20-35| mud _ lvalves; Teneriffe. 
Pandora obtusa............ /12-40| sand _ |frequent. 
MOSUUD UA: casio veaw cee 2 sand {1 valve. 
Thracia phaseclina ...... 12-60; sand |not fr.; Orotava. 
PHDESCENS 055.00 55e50 40-60} sand __ |valves? 
Solecurtus candidus ...... 12-40} sand __ |valves ; frequent. 
Coarctatus............ 20-40} mud _ 1 spec. and valves. 
Solemya Mediterranea ... 12 |m.& weedjrare; Lancerote. 
188. Psammobia vespertina ... 12  |sand & m.|frequent ; Lancerote. 
— Ferroensis. ......... | 30 sand rare; Teneriffe. 
B 
COStHIAEA < ....00.-005. 30-60 sand & pales: frequent. 
