8 
32. CuionE spHa#rRicuLa, Desh. C. testd orbiculari, subaequi- 
laterali, turgidd, subspheroidali, candidissimd, transversim sul- 
catd, sulcis antice posticeque evanidis, in medio convexiusculis, 
latioribus ; umbonibus magnis, elevatis, recurvis, cordatis ; lu- 
nuld. brevi, impressd, cordiformi, in medio purpureo-maculatd ; 
valvis incrassatis, intus albis, ad marginem posticum purpureo- 
maculatis ; sinu pallit brevi, triangulari, equilateral, acuto. 
Hab. ? Coll. Cuming. 
33. CHIONE ustuLATA, Desh. C. testd ovato-transversd, sub- 
trigond, turgidd, crassd, solidd, inequilaterali, antice obtusd, 
postice obtusissime angulatd, flavd, lineis maculisve rufis diverso 
modo variegatd et subradiatd, transversim irregulariter sul- 
catd, sulcis triangularibus, in medio obsoletis, ad umbones tenu- 
assimis ; lunuld ovato-elongatd, fuscd; ared ligamenti brevi, 
parum profundd, fuscescente ; valvis intus pallide fiavis ; mar- 
gine cardinali violaceo. 
Hab. Philippines (Port of Manilla). Coll. Cuming. 
34. Tapes 1nFLATA, Desh. (Pl. XIX. fig. 3.) T. testd ovato- 
transversd, subequilaterali, inflatd, turgidd, subcordiformi, 
transversim regulariter sulcatd, nitente, rufo-flavescente, punc- 
tulis lineisve fuscis, raris aspersd, obscure quadriradiatd ; wm- 
bonibus tumidis, recurvis, approximatis ; lunuld magnd, ovatd, 
levigatd, depressiusculd, concavd; ared ligamenti excavatd, 
ovato-lanceolatd; sulcis latis convexis ; valvis intus pallide 
aurantis ; sinu pallii brevi, apice obtuso, oblique ascendente, 
marginibus subparallelis ; sinuositate in margine posteriore 
sicut in Tellinis. 
Hab. Ceylon. Coll. Cuming. 
35. Tapes TURGIDULA, Desh. (Pl. XIX. fig. 4.) 1’. testd ovatd, 
transversd, inequilaterali, turgiduld, antice attenuata, breviore, 
angustiore, postice superneque rotundatd; umbonibus parvis ma- 
culd albd notatis ; valvis rufis, maculis punctisque fuscis sub- 
quadriradiatis, tenue transversim sulcatis, sulcis antice tenuiori- 
bus, sensim in medio et in latere postico majoribus, et posterius 
lamellosioribus ; lunuld elongato-lanceolatd, fused, in longitudi- 
nem concavd et striatd; ared ligamenti angustd, brevi, utroque 
latere canaliculatd, lateraliter maculd Juscd notatd ; valvis in- 
tus croceis ; sinu pallii lato, parum profundo, apice obtuso ; valve 
stnistre dente mediano profundissime bipartito. 
Hab. Philippines. Coll. Cuming. 
36. Tapes srmiuis, Desh. 1. testd ovatd, transversd, depressd, 
inequilaterali, extremitatibus obtusd, transversim tenue sul- 
cata, rufa, apicibus rubra, levigatd, maculis raris castaneis tri- 
radiatd, lineis angulosis, distantibus, obsoletis notatd ; umboni- 
bus minimis, oppositis ; lunuld elongato-lanceolatd, levigatd, ru- 
bro-lineolatd ; ared angusté, depressd, lanceolata, lividd ; valvis 
intus in fornice rufis. 
Hab. ’ Coll. Cuming. 
