256 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
interrupted white band running along the back; undulating white lines, 
edged beneath with black, pass diagonally across the marginal triangles, 
and concentrically on the extreme valves. The white band on the back 
of the shell, which is occasionally interrupted with chestnut, terminates in 
a white triangular spot on the posterior. The back is convex, not carinated, 
and is delicately striated in the direction of the margin. The inside is 
whitish. Its country is unknown. (Wood.) 
Type in British Museum ? Type locality, not known. 
Range. On the west, the Okhotsk Sea and northern Japan; on the 
east, from the Aleutian Islands to San Diego, California. 
Described as Chiton tineatus. 
Lepidochitona saccharina Dali, 1878 
Proceedings of the United States National Museum, 1:2. Tryon and Pilsbry, Manual 
of Conchology, 14:44; 15:66; PI. 15, figs. 22-24. 
T. t. parva, oblonga, tota superfiicie saccharina, rufo et albescente picta; 
mucrone submediano, inconspicuo; areis lateralis inconspicue elevatis, al- 
bescentis; areis dorsualis sanguinosis, aeque quincuncialiter lente reticu- 
latis; v. ant. 10-11, v. post. 8-10, v. centr. 1 fissatis; dent, parvis spon¬ 
giosis, sinu parvo; subgrundis spongiosis, mediocris; zona coriacea ut in 
Tonicellae aliis; branchiae mediae. Long., 6.5 ; lat., 4 mm. (Dali.) 
Shell small, oblong, the entire surface painted with lustrous red 
and whitish. Umbo subcentral, inconspicuous. Lateral areas indistinctly 
raised; dorsal area blood-colored, reticulated in quincunx. Anterior valve 
having 10-11. posterior 8-10, median 1 slit. Teeth small, spongy; sinus 
small; eaves spongy, moderate. Girdle leathery. Gills median. Length, 
6 l / 2 ; breadth, 4 mm. (Tryon and Pilsbry, Manual of Conchology.) 
Type in United States National Museum. Type locality, Aleutian 
Islands. 
Range. Pribilof, Bering and Aleutian Islands, in shallow water; San 
Diego, California, in 101 fathoms. 
Described as Tonicella saccharina Dali. 
Lepidochitona ruber Linnaeus, 1767 
Systema Naturae, 12th ed., 1107. Tryon and Pilsbry, Manual of Conchology, 14:80* 
PI. 7, figs. 50-56. 
C. testa octovali arcuato-substriata; corpore rubro. (Linnaeus.) 
Testa ovalis, oblongiuscula, dorso carinata, valvulis oblique subarcuato 
striatis. (Linnaeus.) 
Shell oblong, elevated, solid, the back roundly subangular, lateral 
[858 1 
