This historic book may have numerous typos and missing text.
Purchasers can usually download a free scanned copy of the original
book (without typos) from the publisher. Not indexed. Not
illustrated. 1891 edition. Excerpt: ...lugubris, the shell is more
elliptical, more depressed, and the central spatula of the interior
is longer and narrower. The variations exhibited by the series
before me cause me to regard P. safiana Lam. and conspieua Phil. as
close allies, possibly varieties of this species. i The form called
P. canescens by Reeve is figured on pl. 57, figs. 36, 37. It has
quite a different appearance, but I am disposed to believe that Mr.
Smith is justified in placing it in the synonymy. Var. Vatheleti
Pilsbry. Pl. 57, figs. 40, 41, 42, 43. Shell low-conic,
ovate-rectangular, solid; sculptured with numerous unequal riblets,
and having about nine larger but often indistinct ribs or angles,
distinguished by white stripes, giving a more or less polygonal
outline to the shell. The radiating ribs and riblets are closely
cut or crenulated by concentric striae. The principal ribs are
white, the intervals black. Upper part of the cone eroded,
grayish-white. Interior whitish, somewhat stained with yellow,
blotched around the margin with black, the central area either
coal-black or marbled black and white. Length 28, breadth 22, alt.
7 mill. Senegal. These small shells are evidently allied to P.
plumbea, but differ in contour, in the very short, broader central
area of the interior, etc. They were collected by the Abbe A.
Vathelet. P. Adansonii Dunker. Pl. 12, figs. 30, 31, 32, 33. Shell
oblong-ovate, subelliptical, moderately elevated, sculptured with
about 80-100 unequal ribs; whitish, marbled and striated with
black, brown and olive. Apex situated in front of the anterior
third of the length. Interior bluish, the central area white and
rufescent, sometimes rather flesh-colored or liver-colored; toward
the edge rayed with reddish. Margin subcrenate-dentate....
|Country of origin:
George Washington Tryon
||246 x 189 x 4mm (L x W x T)
||Paperback - Trade
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