FAMILY 9. ALATA. 201 
Buccinum papulosum, Martyn. 
Buccinum coronarium, Solander. 
Murex pes Struthiocameli, Chemnitz. 
Struthiolaria nodulosa, Lamarck. 
Pl. CCXLV. Fig. 3 and 4. 
SrRUTHIOLARIA CRENULATA*, Lamarck, Anim. sans vert. vol. vii. p. 148. 
Struthiolaria inermis, Sowerby. 
ROSTELLARIA, Lamarck. 
Testa fusiformis, vel subturriculata, anfractibus leviter convexis, versus 
apicem szpius longitudinaliter striatis; apertura oblonga, in cana- 
lem elongatum producta, interdum supra spire dimidium extensa ; 
columella polita, in canalem rostratum, nonnunquam longissimum, 
desinente ; labro subalato, margine vel dentato, vel digitato, propé 
ad canalem sinuato. Operculum parvum, corneum. 
The Rostellariz, which were separated by Lamarck from the Linnean 
Strombi, have a solid shell of very peculiar growth. It is distinguished, in 
the first place, by the formation of the columella ending in an unusually 
long, or in a short beaked canal; and, in the second place, by another 
distinct canal running from the aperture partially up the spire. The outer 
lip, which is always either serrated, or digitated, exhibits clearly an indi- 
cation of the claws which characterise the shell of Pterocera, and we 
cannot, therefore, admit the propriety of De Blainville placing this genus 
amongst the Canalifera, between the Pleurotome and the Fus?. 
The digitated varieties of Rostellarie, such as the R. pes Pelicant, pes 
Carbonis, occidentalis, &c., which have the closest affinity with the Ptero- 
* This is undoubtedly the Struthiolaria crenulata of Lamarck, and it is only to be regretted 
that he should have referred it to the Auris vulpina of Chemnitz, a land mollusk of the family 
Colimacea, and consequently one of totally different habits. 
VOL. II. + 2D 
