Vol. 3] The California Shore Anemone. 43 



they may be completely concealed by the tentacles and submar- 

 ginal tubercles, being visible only in certain states of expansion. 

 They may be distinct from the marginal lobed verrucae, or only 

 one of the lobes of the latter, and may be pointed or capitate. 

 They may terminate every row of verrucae or occur irregularly, 

 or be limited to one-half of the collar, or be wanting entirely, 

 even in large and mature individuals. 



Bunodactis xanthogrammica (Brandt). 



Actinia (Taractostephanus) xantliogrammica, Brandt, 1835, p. 12. 



^Actinia {Taractostephanus) elegantissima, Brandt, 1835, p. 13. 



Actinia artemisia, Pickering in Dana, 1846, p. 149, PI. 4, fig. 38. 



Evactis artemisia, Verrill, 1868, p. 471. 



Evactis ? xanthogrammica, Verrill, 1868, p. 471. 



Anthopleura Dowii, Verrill, 1868, p. 474. 



Bunodes calif ornica, Fewkes, 1889, p. 124, PI. 6, figs. 5, 6. 



FCriirina elegantissima, McMurrich, 1901, p. 18, PI. 1, fig. 7; PI. 



2, figs. 8-14. 



Criirina artemisia, McMurrich, 1901, p. 23, PI. 2, figs. 15, 16; PI. 



3, figs. 18-20. 



Anthopleura xanthogrammica, McMurrich, 1901, p. 36, PI. 2, fig. 



17; PI. 3, figs. 21-4. 

 Cribrina artemisia, Torrey, 1902, p. 390, PI. 25, figs. 1-3. 



Column very extensible, with longitudinal rows of adhesive 

 tubercles, which may reach the foot disk, becoming larger dis- 

 tall,y, and more and more lobed distally ; tubercles on the margin 

 of the collar with three to six lobes, the innermost usually taking 

 the form of an inflated acrorhagus, covered with nematocysts. 



Tentacles regular, hexamerous, in six cycles, moderate, 

 slightly entacmteous. 



Mesenteries. About twenty-five pairs of perfect mesenteries, 

 with broad and moderately heavy longitudinal muscles. 



Sphincter pinnately or palmately circumscribed. 



Color of San Diego specimens exceedingly variable. Column 

 greenish white to green, brown or pink, always deeper distally. 

 Mouth disk similarly colored, with radiating green stripes mark- 

 ing the courses of the mesenteries; occasionally yellow or white 

 radial stripes. Acrorhagi usually white; may be salmon or 

 orange. Tentacles usually solid whitish to green, occasionally 

 purple distally or proximally, or both, green with whitish or 

 greenish white spots or bands. 



