from the Persian (Jii^f, c&f. 3 



Cyclostrema [Tubiulii) nugalon'mu, sp. ii. (PI. I. fi"-. 2.) 



C. testa depressa, profunde umbilicata, tenuissima, lactea ; anfracti- 

 bus 4, quorum apicales 2 apico ipso bulboso, vitreo, caeteris ad 

 suturas obtuse canaliculatis, kevissimis, liueis incrcnientalibua 

 sub lente longitudinaliter teiiuissimis pra^ditis, apud peripUeriam. 

 rotunde depressa, basi hevi ; apeitura rotunda, peristomate teuui, 

 fere coutinuo. 



Alt. 'SO, long. 1-75 mm. 



Hah. Mekriin Coast, Cluubar, 40 fathoms. 



Minute, but interesting. The little shell is milky white, 

 smooth, and delicate, the incremental lines of growth being 

 but barely distinguishable with a considerable power. The 

 umbilicus is particularly wide and deep, and the shell itself 

 almost a re})lica, but in miniature, o£ Tubi'ola 7uvea, Ch., 

 from Japan. 



SularicUa irUlifuhjens^ sp. n. (PI. I. fig. 3.) 



S. te&ta conica, umbilicata, laevissima, pulchre iridescente, tenuis- 

 sima, perfragili, nitida, albo-cinerea, flammis rufis depicta ; aii- 

 Iractibiis 5, quorum apicales 2 albi, stramineo — vel puniceo- 

 tincti, spiraliter tenuilirati, casteris tribus infra suturas deplanatis, 

 perlsevibus, ventricosulis, ultimo rapide accresceute, ad peri- 

 pheriam rotundato, circa umbilicum spiraliter tornato et striatulo, 

 umbilico ipso profuudo ; apertura rotuuda, labro tenui, columella 

 simplice. 



Alt. 4, diam. 6 mm. 



JJuh. Mekran Coast; off Charbar, at 40 fathoms ; off 

 Astola Island, 90 fathoms; Gulf of Oman, hit. 24° 58' N., 

 long. 56° 54' E., 15G fathoms, shell-sand. 



A very fragile shell, brilliantly nacreous, green, violet, and 

 blue iris hues mostly occurring, often collected in battered 

 condition, the somewhat fugitive outer cuticle, showing 

 rufous flames depicted up(;n a greyish ground, soon wearing 

 away. The finest examples occurred off Chaibar j it was both 

 rare and in poor condition, and small, in the famous Gulf of 

 Oman dredging at 156 fathoms. 



Monilea chiliarclies *, sp. n. (PI. I. fig, 4.) 



M. testa anguste umbilicata, turbinata, pallidealbo-straminca, intus 

 fulgide margaritacea, delicata ; anfractibus 5, quorum apicalis 

 vitreus, bulbosus, caeteris pulchre gradatis et tornatis, tribus 

 supernis (praecipuo penultimo) intra suturas radiatim sculptu- 

 ratis, duabus carinis marginalia pra^ditis, in medio, simul ac infra 

 et supra, penultimo aufractu longitudinaliter oblique et arctissime 



* xi\Ldpxi)t, ruler of a thousai.d. 



1* 



