436 
THE OCEAN WORLD. 
the right edge very broad, rounded off below. The opening is of a 
vivid rose purple fading into white. It is a native of the Antilles. 
Strombus gallus, or the angel-winged (Fig. 291), veined wit 
stripes of white and red, comes from the coasts of Asia and AmeiiC' 1- 
StrombuS Mmcmus (Fig. 292) is fawn-coloured, sown with white, 
and externally the right edge is red and striped ; inside the colume a 
is shaded purple and black. 
Strombus eancellatw, the trellised Strombus (Fig. 293), is small iu 8 * 7 ' 6 
and white in colour. Strombus tliersites is also represented (Fig. 2-* )• 
Pteroceka. 
The-f terocera, from irrepov, wing, and tcepaq, horn, in many respect 
resemble the Strombi. They are distinguished from them chiefly 111 
this, that the right edge developes itself with age in long and slende* 
digital spines more or less numerous, the numbers of which 
Fig. 29r». Tterocera scorpio 
(Linnaius). 
Fig. 296. Pterocera .mU^P 6 
(Linnaius). 
of 
according to the species. The Pteroceras are found in the sea 8 
both hemispheres, their vulgar denomination being sea-spidei 8 ^ _ 
scorpions. A glance at the illustrations (Fig. 295, Pterocera scor P l g 
Fig. 296, P. millepeda ; Fig. 297, P. chiragra; and Fig- * ’ 
P. lambis ) will satisfy the reader as to the general correctness of 
designation. 
