235 



There are two varieties : a, without a ring ; 6, with the margin aud 

 base less tubercular. 



The young are whitish with two dark bands (C. icterina). 



y Margin entire; teeth of inner lip very small, forming a slight 

 ridge ; front of columella-lip slightly concave, produced, and toothed 

 internally. Two species. 



C. anguatata, Gray. Shell whitish brown, minutely brown dotted ; 

 base white ; margin closely black dotted, ends blackish. Worn plain 

 brown, varying in darkness. It is found in Australia. 



Cyfraa (Anna) angustala, 



*** Sub-Genus Z. Naria. Front of the columella narrow, dilated 

 into a sharp-toothed ridge ; shell smooth. 



This sub-genus is represented by one species. 



C. irrorata, Gray. Shell ovate, purplish, yellow dotted ; base 

 white, flat ; teeth large. It is a native of the South Seas. Most 

 allied to C. Pelina, variety 1. 



Cypraa (Xaria] irrorata. 



Genus Laponia. Shell like Cowry, but front end of the columclla- 

 lip crossed by several irregular ridges, without any distinct marginal 

 one, internally narrow, flat ; shell pear-shaped, smooth, or cross- 

 ribbed. There arc five species. 



L. Algomtii, Algoa Lupon, Gray. Shell pale, brown dotted; base 

 smooth ; teeth of inner lip very small ; margin black dotted. Variety 

 with the teeth more or less obliterated. It is a native of the Cape of 

 Good Hope. 



Algoa Lupon (Luponia A'gocmii). 



Cyprtfovula. Like Cowry, but front end of columella covered with 

 regular cross-ribe, like rest of base, internally produced into an acute- 

 toothed ridge. Shell pear-shaped, cross-ribbed. 



C. Capentit, Cape Cypncovula, Gray. Pale brown ; ribs very thin, 

 continued, sharp. It is found at the Cape of Good Hope, but is 

 very rare. 



Cape CypncoTOU (C; pritocula Capentit). 



Triria. Like Cyi>rrioritl<i, but front of cc lumella internally con- 

 ribbed. Shell subglobular, cross-ribbed. 



a. Mouth wide ; outer lip slightly indexed ; shell equally ribbed. 

 In this Hection there are five species. 



T. cornea, Flesh-Coloured Pig, Oray. Shell oblong, thin, pellucid, 

 pure rose-coloured, with very thin distant continued ribs ; lips 



li. Varies with an indistinct dorsal groove. 



Dr. Gray observes that Pig is the common name of these shells on 

 tho coast, and that they are called Porcelli in Italy. He adds, that 



Porcellain, the common name for Cowries, is taken from the fancied 

 resemblance of these shells to pigs, and refers to Fabius Columna, &c. 



Flesh-Coloured Tig (TV/uio carnea). 



0. Mouth narrowish ; outer lip wide ; ribs of back subequal, linear. 

 This section contains eighteen species. 



T. Europ&a, European Pig, Gray ; Cypraa Eumpcea, Lam. Shell 

 ovate, subglobose, ash- or flesh-coloured, with three black dots, and a 

 whitish dorsal streak ; ribs close, rather thick, whitish ; base white ; 

 outer lip wide. 



European Tig (Cypraa (IVirio) JHwoptt*)- 

 a, adult ; 6, young. 



There is a variety with the back spotless, with an indistinct dorsal 

 groove (Cypraa Arctica, Mont.). This shell is found on the British 

 coast It ranges from the verge of low water to as deep as 50 

 fathoms. It is also found in the coralline and red crag. 



The young are white and smooth. 



y. Mouth narrowish ; the outer lip arbhed ; the ribs enlarged or 

 tubercular near the dorsal groove. It contains seven species. 



T. Pcdimlui, Louse-Pig, Gray ; Cypraa, Pedicwlus, Linn. Shell 

 ovate, pale reddish, with six square black dorsal spots : ribs rather 

 thick, subrugose, crowded ; dorsal line narrow ; base reddish. It is a 

 native of the West Indies. 



Louse-Pig (Trivia Paticu/ia). 



S. Mouth narrow ; ribs tubercular ; dorsal line distinct ; front of 

 columella smooth. In this section there are two species. 



T. puttulata, Pimpled Pig, Gray ; Cyprtea pustulata, Lam., com- 

 monly called by collectors the Small-Pox Cowry. Purplish-brown ; 

 ribs studded with red-brown, black-edged warts. It is a native of the 

 Pacific Ocean. 



Small-Pox Cowry (Trivia ptistulata}. 



Erato (Risso). Spire conical ; apex sub-mamillary, blunt ; shell, 

 when young, smooth ; the adult with both lips finely crenulated ; the 

 columella concave, slightly radiatedly plaited or smooth, with two or 

 three folds in front ; the anterior canal straight, the hinder indistinct. 

 This genus includes seven species. 



E. icabriiucula, Roughish Tear-Shell, Gray ; Marginella Cypraola, 

 Sow. Shell ovate, turbinate, livid, purplish, minutely tubercular ; 

 spire conical ; dorsal line impressed ; mouth wide, whitish, inner lip 

 largely plaited its whole length ; teeth large ; young, smooth ; lip 

 thin, toothless. It is found in the South Pacific, St. Helena. 



Kougbirh Tear-Shell (Erato scatriusmla). 



Ovulum, ((hula. Lam.). The shell, when young, spirally striated 

 when adult, covered with n smooth enamelled coat ; the inner lip 



