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Cadlina laevis Linne White Atlantic Doris Arctic Seas to Massachusetts. Europe. I inch in length, similar to our figure of A. no bills (pi. i6c), but a pure, waxy, semi-transparent white. Back with numerous very small, obtuse, opaque-white tubercles. An irregular row of white or sulfur-yellow, angu- lar spots located down each side near the margin of the back. Rhinophores opaque-white or yellowish, with 12 or 13 leaflets, surmounted by a short, blunt point. Branchial plumes of 5 imperfectly tripinnate, transparent white plumes. Radula with 50 to 70 rows of teeth. 29 to 30 pleural teeth on each side of the central tooth, the latter with 3 to 4 denticles on each side of the center hook. Locally uncommon. C. repanda Alder and Hancock, C. obve- lata Miiller and C. planulata Gould are this species. Cadlina flavomaciilata MacFarland Yellow-spotted Doris Pacific Grove to San Diego, California. % inch in length. Characterized by the 2 rows of lemon-yellow spots borne upon low tubercles. Rhinophores with 10 to 12 leaves in its club. Branchial plumes small, 10 to 11, either simple pinnate or bipinnate. Radula with about 77 rows of teeth, with 23 pleural teeth on each side of the central tooth which has 4 to 6 equal-sized denticles. All times of the year in small numbers in rocky tide pools. Cadlina marginata MacFarland Yellow-rimmed Doris British Columbia to Monterey Bay, California. 1% inches in length, similar to our figure of A. nobilis (pi. i6c), but covered everywhere with low, yellow-tipped tubercles surrounded by a nar- row ring of white and forming the center of a clearly marked polygonal area. Ground color a translucent yellowish white. There is a distinct narrow band of lemon-yellow around the margins of the mantle and the lateral and posterior edges of the foot. Rhinophores with 16 to 18 leaves in the clavus. Branchial plumes 6, bipinnate, sheath with yellow-tipped tubercles on the margin. 90 rows of teeth, with about 47 pleural teeth on each side of the central tooth which has 4 to 6 even-sized denticles. Not uncommon in rock pools. Subfamily GLOSSODORIDINAE Brilliantly blue-colored; back smooth, body elongate. Labial armature strong, of very minute hooks. Center of radula very narrow, often with