302 American Seashells 



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 



