This is one of the most beautiful, but (without a knowledge of either animal, or operculum) most puzzling of the small shells of California. It has relations with Euryta, Truncaria, Metula, and Daphnella.

Genus Anachis, H. & A. Adams.

Anachis subturrita, Cpr. n. s.

A. t. minuta, angusta, Rissoinoideâ, pallide purpureofuscâ, albido maculosâ; anfr. nucl. ? (decollatis); norm. v. subplanatis, suturis distinctis; costulis radiantibus circ. xx. angustis, vix extantibus, parum flexuosis; sculpturâ spirali nullâ; aperturâ quadratâ; labro acuto deorsum tumente, postice sinuato; labio conspicuo; columellâ tortâ, truncatâ.

Long. 0·13, long. spir. 0·09, lat. 0·05, div. 30°.

Hab. San Diego, Cooper. From shell washings.

The only specimen seen of this tiny species is not quite mature, and has formed no labral teeth.

Genus Trophon, Montfort.

Trophon triangulatus, Cpr. n. s. State Collection, No. 580, a.