CYPRAiA. 15 



the C. mappa. But the parallel lines of the extremities 

 are perfectly peculiar to this species, which is one of the 

 oldest of the few extremely rare shells which retain their 

 original value. 



41. mappa (f. 24-28). — C. testa oblongo-ovata, crassa, ad 

 terminos obtusa; dorso pallide fulvo, purpureo nebulato; 

 Hneis rubido-fuscis interruptis angulatis undatisque longitu- 

 dinaliter notata, hiatu dorsali angusto ramoso lateribus 

 violaceo-fusco punctatis, ad dorsum sinuatum marginatis ; 

 basi violascente seu fulva, macula magna violaceo-fusca 

 medio columellas ornata, gubtis rotundis purpureis seu fuscis 

 ad latera picta ; apertura angusta ; dentibus brevibus, rotun- 

 dis ; interstitiis aurantiis ; variat basi vivide purpurea, variat 

 etiam testa omnino rubro-purpurascente suffusa. 



Note. — The chief varieties of this beautiful species are 

 figured from the collection of Miss Saul. 



42. Aeabica (f. 59, 60, 61 ; var. eglantina, f. 282, 283).— 

 C. testa oblongo-ovata, basi planulata; spira exserta, lateri- 

 bus plus minusve incrassata; dorso elevato, medio subde- 

 presso, livido-fusco, lineis brevibus hieroglyphicis hinc illic 

 maculis rotundis pallidis interruptis ; hiatu angusto, rectius- 

 culo ; apertura hianti, sulco columellari lato dentato ; den- 

 tibus linearibus, castaneis, elongatis; extremitatibus pro- 

 fundi emarginatis. 



43. reticulata, (f. 57, 58, (var. histrio) 66, 67, 68).— 

 C. testa G. Arabico? similij dorso magis gibboso; basi fre- 

 quenter magis convexa; maculis dorsalibus albis, crebris ; 

 interstitiis angustis, frequenter reticulatim Hnearibus. 



44. scurra, Ghemn., (f. 53, 54, (var. G. Indica) 55, 56). — 

 C. testa oblongo-subcylindracea, antice subretusa, postice 

 magis producta, spira, pyramidali ; dorso subdepresso, ci- 

 nereo, fusco reticulato ; hiatu lineari, lateribus basique cine- 

 reo-carneis, guttis fumeo-nigrescentibus conspicuis hinc ilhc 

 ornatis; apertura angusta ; dentibus numerosis, linearibus, 

 castaneis. 



Note. — Arabica, reticulata (including histrio), scurra (in- 

 cluding Indica). Although some difference appears in the 

 specimens selected to represent reticulata and histrio re- 

 spectively, it is impossible to maintain the distinctions in 

 sorting any number of specimens of the various forms, the 

 differences being graduated and interchangeable. There is, 



