186 A. FE. Verrili— The Bermuda Islands; Geology. 
lateral teeth are well developed. There is no radial sculpture, but 
the surface is covered with shallow unequal grooves or undulations, 
with larger ones at two resting periods. Height of figured valve, 
55™™; transverse elevation, 16™™. 
Codakia orbicularis (Linn.) Dall. 
Codakia tigrina in most recent lists. Lucina tigrina (pars) auth. (non Linn.). 
Fragments are common. Recorded by Rice as C. tigerina. 
Ccdakia orbiculata (Mont., 1808) Dall. 
Lucina pecten Lam., 1818. 
Lucina imbricatula C. B. Adams, 1845. 
Lucina pectinata C. B. Adams, 1852 (non Gmel.). 
Lucina occidentalis Reeve, 1850. 
Fragments are Common. 
Codakia costata (d’Orb.)=Lucina antillarum Reeve, 1850=L. ornata Adams, 
1852 (non Reeve), Hungry Bay. 
Chama macrophylla Chem. ‘ Rock Cockle.” Plate xxxv B, figs. 4, 4a. 
Common, mostly broken in small fragments. It has received - 
many other names. 
Chama lingua-felis Reeve. 
Recorded by Rice. Probably only a variety of the preceding. 
Arca noz Linn. ‘‘ Mussel” of the fishermen. Plate xxxv B, figs. 6, 6a. 
Common. 
Arca (Barbatia) dominguensis (Lam.). 
Recorded by Rice. 
Pectunculus undatus Linn. 
Several valves of large size were found near Hungry Bay. 
Modiola tulipa Lam. ‘‘ Black Mussel.” Plate xxxy B, fig. 5. 
Fragments near Hungry Bay. 
Mytilus exustus Linn. ‘Small Black Mussel.” 
Common ; also found in the eeolian limestones, just above the 
beach-rocks, associated with land shells, near Hungry Bay. 
Spondylus americanus Lam. ‘‘ Rock Scollop.” Pilate xxxv B, figs. 1, la. 
Fragments are common, often preserving the reddish colors. It 
has received a variety of other names. 
