DESCRIPTIONS OF SIXTY-EIGHT NEW SHELLS. 93 



inaximas crenelliferas prsebentes, interatitiis spiraliter unistriatis ; apertura 

 obscure quadrata, intus suboehracea, nigro-brunneo zonata, labro angulato, 

 tenui, marginem ad columellarem nitido, albo, incrassato, spiraliter tomato. 



Alt. 5, diam. 8\50 mm. 

 Hah. Persian Gulf, Fao, on telegraph-cable, November 1902. 

 Of the same alliance as S. dormosum, Hinds, ci/Undraceum, Mighels, &c, but 



differing in the several characters as above given. 



SOLARIUM ABYSSORUM, sp. n. (PI. B. fig. 1.) 



S. testa parva perdepressa, acutissime carinata, profunde umbilicata, tenui, 

 albescente ; anfractibus quatuor, quorum apicales 1^ tumidi, perleeves, hyalini 

 cseteris apud suturas anguste canaliculatis, supra, juxta suturas simul ac infra, 

 spiraliter liratis, interstitiis utrinqu arete gemmulatis, deinde superficie media 

 nitida, irregnlariter longitudinaliter oblique striata, ultimo anfractu circa 

 peripheriam acuticarinato, carina utrinque plano-marginata, infra, basim 

 versus, spiraliter unilirato, dein superficie intermedia longitudinaliter rudi- 

 crenata, circa umbilicum ipsum dnobus gemmularum ordinibus instructa, 

 umbilico pulchre scalari ; apertura trigonali, labro tenui, umbilicum nequa- 

 quam obtegente. 

 Alt. 3, diam. 6 mm. (spec. maj.). 



Hab. Gulf of Oman, lat. 24° 58' N., long. 56° 54' E., 156 fathoms. 

 A great many examples, but no live specimens occurred, and but few in per- 

 fect condition. Allied to S. oxytropn, A. Ad., in form, but not in sculpture. 



FLUXINA DALLIANA, sp. n. (PI. B. fig. 2.) 



F. testa perminuta, albo-hyalina, immaculata, depresso-discoidali, umbilicata; 

 anfractibus 4, quorum apicalis globosus, mamillatus, submimersus, cseteris ad 

 suturas canaliculatis, ventricosulis, hevissimis, ultimo ad peripheriam acuticari- 

 nato, carina marginata, sub lente elegantissime et minutissime crenellifera, basi 

 convexiuscula, circa regionem umbilicarem paullum excavata, umbilico angusto, 

 set prof undo, scalari, margine acuto, simplici ; apertura subquadrata, columella 

 recta, supra umbilicum triangulatim reflexa. 

 Alt. 75, diam, 1*50 mm. (sp. min.). 

 „ 1, „ 2 „ (sp.maj.). 



Hab. Gulf of Oman, lat. 24° 58' N., long. 56° 54' E., at 156 fathoms. 

 One of the most minute of recent shells ; it agrees, however, in many parti- 

 culars with Fluxina discula, DalP, dredged in the ' Blake ' Expedition off 

 Dominica, W. I., at 982 fathoms. This, however, is nearly five times as 

 large as our species, which was very rare in the above station. 



We venture to dedicate this very interesting addition to the Oriental fauna 

 to Dr. W. H. Dall, of Washington, who has done perhaps more than any other 

 author to elucidate the benthal Molluscan fauna, and is the founder of the 

 genus Fluxina. 



Bull. Mus. Comp. Zool. Harvard College, vol. xviii. p. 273 (1889). 



