20 
CATALOGUE Of 
Anomia striatula, Desk. Coq. Foss. Paris, t. 65, f. 7, 11. 
Anotnia tenuistriata, Desk. Coq. Foss. Paris, i. 377, in Lamk. Hist. 
vii. ; Gray, P. Z. S. 1849, 118. 
a, b, c, d, e, ^c. Fossil, Grignon. From M. Deshayes collec- 
tion. 
The very characteristic scars of the dorsal valve are well shown 
in M. Deshayes’ plate above referred to, but not mentioned in the 
description. 
Upper scar of dorsal valves large ; two loiver scars smaller, far 
behind the upper one. Shell oblong, transverse. .^Inigma. Koch. 
.Enigma, Koch, MSS, ; Gray, P. Z. S. 1849, 118. 
16. Anomia .enigmatica. 
Shell elongate, transverse, oblong, purple or yellowish, with a 
purple disk ; apex acute, considerably within the dorsal edge. 
The upper scar large, suborbicular, subcentral ; lower scars two, 
much more posterior, small, equal-sized, and nearly confluent. 
Tellina senigmalica, Chemn. Conch, xi. t. 199, f 1949, 1950. 
Anomia rosea. Gray, Ann. Philos. 1825, 5. 
Anomia senigmatica, Alton in Wiegrnann, Arch. 1837, Verz. 21 ; 
Reeve, Nomen. Conch. ; Gray, P. Z. S. 1849, 118. 
Hab. Indian Ocean. 
Var. 1. Elongate, purplish brown, smooth, flat. Chemn. 1. c. 
f. 1949, 1950. 
Hab. Indian Ocean, on the surface of flat wooden piles. See. 
a, b. Philippines. From Mr. Cuming’s collection. 
Var. 2. Like former, but more elongated, and the sides folded to- 
gether, from being on a concave surface. 
Anomia naviformis, Jonas ; fide Mus. Cuming. 
iEnigma, sp. Koch ; fide Mus. Cuming. 
c, d. Bengal, on wood. 
Var. 3. Flat, smooth ; like Var. 1, but yellow, with a dark pur- 
ple brown, transverse ray. 
e,f. Philippines. From Mr. Cuming’s collection. 
Var. 4. Flat, purple ; like Var. 1, but often more ovate, and with 
a few radiating ribs, ending in projections, making the edge sinu- 
ous. 
g. Singapore, on piles of wood forming the wharves. From 
Mr. Argent’s collection. 
