414 
THE OCEAN WORLD. 
bellied, and deeply furrowed ; in colour it is yellow, or rust-coloured 
marked by square brown spots. Turbo argyrostomus, the Sil yer ’ 
mouthed Turbo (Fig. 225), is still larger, with projecting spines on 
top of its larger spiral. Turbo marmoratus (Linnaeus), the Marble 
Turbo (Fig. 226), is the largest shell in the group. It is marbled 
Fig. 226. Turbo marmoratus (Linnaeus). 
Fig. 227. Turbo undulatus (Chemnitz)- 
green, white, and brown outside, and superbly nacred within. ^ ^ 
Gold-mouthed Turbo is so named from its nacre being of a n 
golden yellow. The Wavy Turbo (T. undulatus, Fig. 227) is vulg ;l1 ' ^ 
known as the Australian Serpent's Skin. The shell is white, or® 9 ^ 
mented with longitudinal wav lDr ’ 
° qX 
flexible lines of spots of green, 
greenish-violet. Turbo imperii !l 
(Fig. 228), from the Chinese s eflS ’ 
is green without, and brilli an 
nacred within ; it is vulgarly kno"" 11 
as the paroquet. . 
The Turbos are found in ^ 
North seas, in the Channel, and 0 
ii. . a l.* _ j. rm.* ^ 
the Atlantic coast. The am® 9 
eaten in nearly all the sea-p° r ^ 3 
the Channel. , . 
Near to the Trochidm and 1 ll ' r , 
in the system are the Monodo ft 
Fig . 228 . Tuibo imperialis (Gmel.). BdpUuuU, mA TurrMU. ^ 
The Monodonta are elegantly-marked shells, belonging to the 
