L I Y A . 



Species 10. (Fig. 41 a, b, r, dj,g, Mus. Stccre ; 

 rig. e, Mus. Cuming.) 



Or.ivA Mauka. OViv. tesld ollongo-ovald, crnssd, postict- 

 tmniJiMxcnldJitxta sutaras coiitractd, spirdsiibdcjires- 

 ■w, niifmcfii ultimo ad extremitatem postlcam apertiirce 

 in cnUusitafe eredd producto, plicin coJtmiellaribm 

 sidiplanidatis, lahro mdipUcnlo ; cincn'O-cameold vel 

 iiitensi' olirnccd, i-cl iiiff/'d, immaculatd aut fusco angn- 

 Info-strigald aul. fulgiiratd, strigis interruptis, brevi- 

 biis, interdicm saturate bi/anciatis, colicmdld alba, basi 

 patlide mtiguineo ti/ictd, aperturcp. fuuce cirridescente- 

 albd. 



The Moor Olive. SIicll oblong-ovate, tliicli, ratlier 

 swollen posteriorly, contracted next the sutures, spire 

 ratlier depressed, last whorl produced at the poste- 

 rior end of the aperture into an erect callosity, eolu- 

 meUar plaits somewhat flattened, lip subplicate ; ash- 

 caruelion, or dark olive or black, sometimes unspot- 

 ted, sometimes mottled with brown angidar streaks, 

 or lightning-marked, the streaks being interrupted, 

 short, sometimes amalgamated darker with two bands, 

 columella white, faintly tinged at the base with blood- 

 red, interior of the apertwe bluish-white. 



La.marck, Anim. sans vert. (Ueshayes' edit.) vol. x. 

 p. 608. 



Varictatcs. 



Olica/idiiiiiiaiis, sepulturalis, and fiuicbrnlis, Lamarck. 



()lii-a tencontoma and Madeaija, Duclos. 

 Uul). Ceylon, Mauritius, Philippines. 



This species is extremely variable iu its style of painting 

 except in one important point, the base of the columella, 

 which is, with rare exception, tinged with a blnsii of red. 

 In other respects it varies chiefly as represented in the 

 accompanying plate. Pig. e and / may be regarded as 

 Lamarck's type of the species, dark black or olive, uni- 

 form and unspotted, while the zigzag lightning-marked 

 pattern at Fig. i is his O.fidmiiians. The shell Pig. a, 

 with black s])lashed bands and waved streaks, upon a 

 mottled-olive ground, represents Lamarck's O.funebraUs 

 and Duclos' O. te/icostoma ; those at Fig. c and g with two 

 obscure bands upon a mottled-olive gi-ound, often lighter 

 than here represented, the 0. Madeaga of Duclos ; and 

 the rich dark-olive variety with scattered indications 

 of bands and waved streaks constitutes Lamarck's 0. se- 

 pidtiindis. 



The Olii-a Miii/ni is mainly distinguished by its con- 

 stancy of form, having always the same tumid growth 

 toward.s the spire, which is rather depressed, and the 

 same produced callous production of the last whorl at the 

 posterior end of the aperture. 



