cataracta E. complanatus 1 L. radiata 
1951] 
Humes and Russell — Najadicola ingens 
117 
sajiui iftiAi % 
i 
o 
sajiui ijjiav 
jaqumu 
© 
.laqumu 
mo; 
CSJ ^ CC ^ 
co 
L_ 
j.ajIUI IftlM. % 
rH 05 Ol © N h ffl H 
co © © r4 Tti o h ifj 
CO 
rH 
sajiui q;iM. 
jaqumu 
CO rH rH rH lOrHCSJlO 
05 
rH 
.laqumu 
mo; 
1 
1/5 C©C-C-rHCSlCOOrHCOC'-CO 
1038 
1 
seined .to 
SSflUI lUIAV 
mo; jo % 
82.5 
100.0 
92.3 
92.9 
98.2 
90.6 
95.1 
88.2 
89.7 
93.1 
88.9 
94.1 
79.8 
91.2 
.1 
S0JIUI ou 
Ap:o acnidcd ! 
q;iM Jsqumu 1 
05 CO rHO^t<0500C005t^rH00 
rH rH tH rH rH H CNJ rH 
160 
E9JIUI qjIAV 
jaqumu 
WONN0)M00®OWt'0)t' CO 
COCOrHrHOiOie-lOCQOCOCOlO CO 
rH T-t CO 
jaqumu 
mo; 
57 
38 
13 
14 
111 
117 
102 
i 
76 
107 
131 
117 
170 
94 
1147 
i 
! December 1949 
January 1950 
February 
March 
April 
May 
June 
July 
; August 
September 
October 
November 
December 
Total 
Average % 
Table 1. Size of monthly clam collections, number of clams parasitized or with papillae, and percentage para- 
sitized or with papillae. 
