CYMBIUM. 
Puate XXVI. 
Species 17. (Fig. 4, c, Mus. Cuming.) 
This shell represents C. ol/a, described and figured in 
the preceding Plate in an earlier stage of growth, showing 
little or no alteration of its characters. Externally it has 
the same wrinkled sculpture, and the columella is as dis- 
tinctly two-plaited. 
Species 18. (Fig. a, 6, Mus. Brit.) 
CYMBIUM RUBIGINOSUM. Cymbd. testi oblongo-ovatd, cy- 
lindraced, solidiusculi, crassi, fulvo-cinered vel rubi- 
ginosd, spiré breviusculd, interdum subproducté, an- 
fractibus superné obtusis, margine nunc angulato, nunc 
incurvo, circa spiram canaliculatis ; columella tripli- 
cata. 
Tae Rusty CymBium. Shell oblong-ovate, cylindrical, 
rather solid, thick, fulvous-ash or rust-colour, spire 
rather short, sometimes a little produced, whorls ob- 
tuse at the upper part, with the margin sometimes 
angled, sometimes incurved, channelled round the 
spire; columella three-plaited. 
Voluta rubiginosa, Swainson, Exotic Conch. pl. 28. 
Le Philin, Adanson. 
Cymba rubiginosa, Broderip. 
Yetus cymbium, pars, Gray. 
Hab. North-west Africa. 
The Rev. R. T. Lowe has given a full and most inter- 
esting account of this species in the notes to his ‘List of 
Shells observed or collected at Mogador, during a few 
days’ visit in April 1859.’ (Pro. Linn. Soc. 1860, p. 169.) 
He considers C. rubiginosum, and not C. porcinum or pro- 
boscidale, as Dr. Gray does, to be Le Philin of Adanson, 
and I quite concur in this view. Dr, Gray gives C. rubi- 
ginosum as a synonym of his Vetus cymbium, which is not 
the Linneean Voluta cymbium, but C. cisium, Menke. A 
comparison of our figures in Plates XXV. and XXVI. will 
show, however, that it partakes more of the characters of 
C. olla and patula. Mr. Lowe collected two well-defined 
varieties, which he designates a, angulata, and 8, ineurva. 
Tn one the shoulder or upper edge of the whorls is angular, 
‘inclining outwardly, as in our figured specimen in the 
British Museum; in the other the edge inclines inwardly. 
March, 1861. 
