410 ALLAX HAXCOCK PACIFIC EXPEDITION'S VOL. 3 



PLATE 56 



All Figures Natural Size 



Figs. 1-4. fAfliophyllu/n velcroae, Dawson 592. 



Figs. 5-8 Litliothamnion aiistrale f. amer'icana, Dawson 61. 



Figs. 9-10. I.ilhnlliamnion auslrale, various forms all occurring in 

 the same collection, Dawson 593a. 



