AGNES OD ON. 
Puate XV. 
Species 47. (Fig. a, Mus. Cuming in Brit.) 
ANODON SUBCYLINDRACEA, Lea. Vide Pl. XIV. 
Species 52. (Mus. Cuming in Brit.) 
ANODON CHEEZIANA. 
crassa, obscure olivaced, levigatd, opacd, intus alba ; 
An. testd subtrapezoidd, tumida, 
latere postico obscurissime rotundatim angulato ; la- 
tere antico breviusculo, radiatim striato, wmbonibus 
carneis, undulatim tuberculatis. 
Cueeze’s ANopon. Shell subtrapezoidal, tumid, thick, 
dull olive, smooth, opake, white within; posterior 
side very obscurely, roundly angular; anterior side 
rather short, radiately striated ; umboes flesh-coloured, 
undalately tuberculated. 
RANG. 
Hab, ——? 
This little shell has a somewhat peculiar character of 
equal fulness at both sides. 
front. 
It is usually striated in 

Species 53. (Mus. Cuming in Brit.) 
ANopoNn Micans. dn. testa subovatd, politd, stramined, 
posticé viridi triradiatd, intus pallidé cupred ; latere 
postico subexpanso, tumido, biangulato, margine dor- 
sali elecato, brevi, cuncato, ared postangulari subalatd, 
margine laterali oblique arcuato, termino truncato, 
margine ventrali aqualiter convexo, umbonibus laevi- 
galis; latere autico brevissimo, compresso, compla- 
nalo. 
THE SPARKLING ANODON. 
straw-coloured, with three green rays at the back, 
pale copper-coloured within; posterior side slightly 
Shell subovate, polished, 
expanded, tumid, biangular, dorsal margin elevated, 
short, cuneate, postangular area subalated, lateral 
margin obliquely arched, end truncated, ventral mar- 
gin equally convex, umboes smooth; anterior side 
very short, compressed, flattened. 
ANTHONY. 
Hab, Texas. 
The epidermis is shining, and the posterior side tumid 
near the angles. 


Species 54. (Mus. Cuming in Brit.) 
ANODON OBLONGUS. Au. festd tenui, subcompressd, ob- 
liqué elongata, obscure fuscd, concentricé leviter ru- 
gata, intus albida cerulescenti, umbonibus subviridibus, 
subcomplanatis, tenuiter undulatim rugatis; latere 
postico elongato, subalato, peroblique biangulato, ter- 
mino oblique truncato, margine ventrali versus lermi- 
num elevato, margine dorsali brevi, elecato, margine 
laterali oblique elongato; latere antico brevissio, 
superne subcuneato. 
THe OBLONG ANODON. 
liquely elongated, dull brown, concentrically hghtly 
wrinkled, bluish-white within, umboes greenish, ra- 
ther flat, finely wrinkled in waves ; posterior side 
Shell thin, subcompressed, ob- 
elongated, subalated, very obliquely biangular, ob- 
liquely truncated at the end, ventral margin raised 
towards the end, dorsal margin short, elevated, la- 
teral margin obliquely elongated ; anterior side very 
short, subeuneate above. 
De MILLEr. 
Hab. D’Augére, Maine et Loire. 
The umboes are flattened and plaited, as in Anodou 
cygneus, but the general form is more lanceolate and dif- 
ferent in other respects. 

Species 55. (Mus. Cuming in Brit.) 
Anopon Tenuts. An. testd tenui, inflatd, oblongo-sub- 
quadratd, medio subdepressa, levigata, obscure fuscd, 
ad umbones et intus subpurpured ; latere postico lato, 
rotundatin angulato, margine dorsali elevato, subcu- 
neato, margine lateralt lato, convevo, declivi, mar- 
gine ventrali medio subcontracto ; latere antico brevi, 
rotundo, superne subcuncato, umbonibus levigatis. 
Tur rutin ANopon. Shell thin, inflated, oblong-sub- 
quadrate, slightly depressed in the middle, smooth, 
dull brown, purplish at the wmboes and within; pos- 
terior side broad, roundly angular, dorsal margin 
elevated, subcuneate, lateral margin wide, convex, 
sloped, ventral margin slightly contracted in the 
middle; anterior side short, rounded, subcuneate 
above, umboes smooth. 
Lea. 
Hab. Isle of Luzon, Philippines. 
June, 1867. 
