DECIGRAMS OF EACH ALGA CONSUMED 
Food Preference of Algivorous Invertebrates — Leighton 
109 
A ply si a californica Astraea undosa 
Haliotis corrugate 
Haliotis fulgens 
Haliotis rufescens Ly techinus anamesuj 
( 4 - 10 ) 
Q 
■*- 
O 
o» 
"> 
a> 
o 
o 
o» 
a> 
w. 
cn 
UJ 
Ui 
o 
E* 
o 
Fig. 2. Means of plant consumption values shown by histogram. Ranges are indicated by vertical lines. Con- 
sumption data for Haliotis fulgens and H. rufescens are reduced by one-half. Numbers of individuals employed 
and numbers of experiments are given in that order hyphenated in parentheses. 
