C. t. subelevatá, brunnescens, fusco-purpureo nebulosa, anfr. vii. valde tumentibus, suturis impressis; carinis majoribus in spirâ duabus, gemmatis, interdum brunneo huc et illuc tinctis; serie granulorum minorum prope suturam; serie quartá minimorum inter duas carinas; lirulis basalibus circ. ix., fusco maculatis; interstitiis à lineis incrementi corrugatis; aperturá subquadratá. Long. 0.47, long. spir. 0.34, lat. 0.43, div. 68°. _Hab._ San Pedro five; San Diego four dead on beach at low water—very rare. It is well distinguished by the two principal necklaces, with smaller rows intercalating. In coloring it resembles C. eximium Reeve, (versicolor Menke, Mazatlan Catal.), from the Gulf of California. _Calliostoma splendens_ Carp. n. sp. State Collection, Species 530 a. C. t. parvâ, latiore, tenuiore; exquisité rufo-castaneo et purpureo, interdum intensioribus, et livido, varie nebulosâ et punctatâ; anfractu primo nucleoso diaphano, granuloso, apice mamillato; dein iv. normalibus, subtabulatis; primo costibus spiralibus ii. acutis, valde expressis, alterâ parvâ suturali; anfr. penult. costis iii. quarum media extantior, superior subgranulosa; anfr. ult. aliis intercalantibus, supra peripheriam v. quarum tertia magis extans; interstitiis à lineis incrementi vix decussatis; costâ circa peripheriam angulatam conspicuâ; basi costulis rotundatis, haud extantibus, peripheriam et axim versus conspicuis, medio sæpe obsoletis; basi nitidâ, subplanatâ; aperturâ subquadratâ, intus carneo-nacreâ, valde splendente: operculo tenuissimo, levissimo, pallido, diaphano, concavo; anfr. circ. x. crebris, parum definitis. Long. 0.23, long. spir. 0.15, lat. 0.24, div. 87°. _Hab._ Monterey, 20 fms. dredged 2, dead; Santa Barbara, in roots of kelp growing in about 10 fms. 13, dredged in 16 fms. 2, dead; S. B. Island, 2, dead, on beach; Catalina Island, 30-40 fms. 2, alive; San Diego, 1, dead. The specimens here described are probably mature, and are well marked in character. The painting is richly lustrous, of a fleshy nacre inside; outside, of a rich orange-chestnut or red, variously laid on a light ground, sometimes with streaks of nacreous purple, often with dots on the ribs. The operculum is extremely thin and transparent. SOLARIELLA Searles Wood, 1843. _Solariella peramabilis_ Carp. n. sp. State Collection, Species 1025.