AUNE OS DE OF NE 
Puate XVIII. 
Fig. 69 (by error). Species 51, Fig. 6. (Mus. Cuming 
in Brit.) 
Anodon Ferussaciana, var., a younger specimen than 
Fig. 51a, Pl. XIV. 

Species 65. (Mus. Cuming in Brit.) 
ANODON SOLENIDEA. 
tenuatd, subsolidd, in medio concavd, epidermide fusca, 
An. testd compress, elongata, at- 
striis concentricis et filis radiantibus reticulata ; latere 
postico elongato, supra depresso, costd unica radiato, 
ad terminum rotundato, margine ventrali medio arcua- 
tim contracto ; latere antico subproducto, rotundato, 
inflato, umbonibus parvis. 
THE SOLENIFORM ANopoN. Shell compressed, elon- 
gated, attenuated, rather solid, concave in the middle, 
epidermis brown, reticulated with concentric strie 
and radiating threads; posterior side elongated, de- 
pressed above, with a single radiating rib, rounded at 
the end, ventral margin contracted in the centre in an 
arch ; anterior side rather produced, rounded, inflated, 
umboes small. 
? MS. in Cuming’s Cabinet. 
Hab. Rio Francisco. 

In form resembling Unio soleniformis, Lea, with which, 
however, it has no connection. 

Species 66. (Mus. Cuming in Brit.) 
ANODON HORDEUM. dn. testa ovato-oblongd, levigatd, 
tumidd, pallidé stramined, posticé viridi triradiald, 
intus alba ; latere postico subexpanso, obtuse angulato, 
ad terminum acuminato, margine dorsali recto, sub- 
curevato, margine laterali obliquo, prope terminum ob- 
liquée truncato, margine ventrali ad angulun elevato, 
tum inflato, ante medium subcontracto ; latere antico 
supra declivi, angusto, umbonibus levigatis, ovatis, in 
flatis. 
THE BARLEY ANopON. Shell oblong, smooth, tumid, 
pale straw, with three green posterior rays, white 
within; posterior side rather expanded, obtusely an- 
gular, acuminated at the end, dorsal margin straight, 
rather cuneate, lateral margin oblique, obliquely trun- 
cated near the end, ventral margin elevated at the 
angle, then inflated, rather contracted in front of the 


centre; anterior side sloped above, narrow, umboes 
smooth, oval, inflated. 
GouLp —— ? 
fab, ——? 

Species 67. (Mus. Cuming in Brit.) 
An. 
levigatd, olivaced, fusciis viridibus latis obscure ra- 
ANODON ANNULATUS. testa ovatd, tenui, tumidé, 
diatd, intus alba ; latere postico oblongo, acuminato, 
margine ventrali valde sursum acclivi, medio rectius- 
culo ; latere antico rotundato, margine dorsali brevi, 
recto, cuneato, umbonibus prominentibus, annulis ele- 
vatis concentricis paucis cinctis. 
ANNULATED ANopON. Shell ovate, thin, tumid, 
smooth, olive, obscurely rayed with broad green 
THE 
bands, white within; posterior side oblong, acumi- 
nated, with ventral margin strongly sloped upwards, 
rather straight in the middle; anterior side rounded, 
dorsal margin short, straight, cuneate, umboes pro- 
minent, girt with few elevated concentric rings. 
SOWERBY. 
Hab. 2 

The remarkable character of this species is the annular 
form of the tubercular wrinkles of the umboes. 

Species 68. (Mus. Cuming in Brit.) 
ANODON TABULA. 
planaté, ad latera concentricé tenuiter rugatd, oliwaced, 
An. testd subquadrato-oblongd, com- 
obscure radiatim striatd, et ad umbones cupred ; latere 
postico obscuré triangulato, oblongo, margine dorsalt 
recto, ad terminum oblique truncato, infra acuminato, 
margine ventrali recto ; latere antico semirotundo, vin- 
bonibus subcompressis, tenniter undulatim tuberculatis. 
THE PLANK ANODON. 
concentrically finely wrinkled at the sides, olive, ob- 
Shell oblong-subquadrate, flat, 
scurely radiately striated, within and at the umboes 
copper-coloured ; posterior side obscurely triangular, 
oblong, with dorsal margin straight, obliquely trun- 
cated at the end, acuminated beneath, ventral margin 
straight; anterior side half-round, umboes rather 
compressed, finely undulately tuberculated. 
SOWERBY. 
Hab. Sierra Leone. 
September, 1867. 
