26 APPENDIX. 
Depth. | Ground. Frequency, &c. 
faths 
Tellina incarnata ......... sh.tol6| sand _ |frequent; Lancerote. - 
GISEOLULD Se scass .u'ss so 12-60| sand __ jvery frequent. 
— balaustina............ 29 mud_ {1 valve; Teneriffe. 
SOllhdtal ensecccea cess 12-40; mud _jrare; dead valves fre- 
quent; Teneriffe. 
AS 7o, DonAs BnatINUS? 2.00456. shore — valves. 
Ervilia castanea............ 12-16 |sand & m.|frequent ; young ; 
Lancerote. 
—— —— (new) ......... 12-16 |sand & m.|frequent ; Lancerote ; 
species obtained at 
Gibraltar& Madeira. 
193. Mactra subtruncata ?...... 12-16 — jrare; Lancerote. 
SEUICOTUIM (3.0. 0000se0% 395 sand |l valve; Teneriffe. 
Cytherea chione............ 1Z2-40| sand _ |frequent. 
WENEURANGD «00055052005 20-35; mud _ rare; Teneriffe. e 
B.M. —— —— (new?)......... 20-35} mud _ rare; white; obtained 
in the Mediterranean 
and Madeira. 
—— —— (new ?)......... 50 sand 1 specimen; Orotava ; 
large, thin, with 
brown spots. 
185. Venus verrucosa............ 12-60 |sand & m.|very frequent; small, 
with much colour. 
B.M. GEIST Re Rees ante 20-40} sand ffr.; finely laminated 
and coloured. 
Cl ay ae ARE ss 50 sand rare; valves. 
Circe MINIMA 650.) scales a0 12-50; sand _ |frequent. 
Astarte incrassata ......... 16-70| sand _ |frequent. 
—— triangularis ......... 40-70| sand _ frare; Orotava; small. 
182. Cardita calyculata ......... sh.to60) rocks frequent. 
Cardium echinatum ...... 16-20| sand {not frequent. 
TUSHICUIN ..,00025<00. 16-40; sand {frequent ; small. 
—— papillosum ......... 12-60 |s. & weed|fr. ; bright colour. 
—— Norvegicum ......... 30 mud __jrare; valves; Teneriffe. 
FASCIALUI) <asse0.050° 16 mud __frare. 
189. Lucina Adansoni ......... 12-16 |m. &weed|frequent ; Lanceroie. 
MEM CONIA sacion. cs sitcom 12-16 |m. &weed/frequent ; Lancercte. 
— flexuosa............... 20-60 |sand & m.|rare. 
192. —— divaricata .........++- 16-30 {sand & m.|rare. 
191. —— pecten ......c00...00- sh.to60| sand _ {rare. 
—— spinifera ....--...46 20-35 |sand & m./|frequent. 
*EATISVEFSA a 's.<isecce 0 12-35 |sand & m.|several ; Lancerote. 
—— (minute)....... 12-16 |sand & m.|frequent ; yellowish. 
Diplodonta rotundata ...|40-60} sand jrare; Orotava. 
—~— apicalis ............686 12-60} sand rare. 
Kellia rubra: j2..-0..i.c00scse shore — _|very rare; Lancerote. 
suborbicularis ...... 112-20! mud_ j|moderate. 
