172 C. D. GILLIES. 
do. Caloundra Head, Fig. 6. 19th May, 1917. 
No. of spines L "2° 3) 4> hore ey 
Frequency 2 6 14 1376 4.3 
Total frequency 48 Mode 3-4 
0 ! L 3 be 5 6 
No. of spines | 
Fig. 6. Spine frequency polygon. Caloundra Head, 
19th May, 1917. 
6, Kumundi, Fig. 7. June, 1916. 
No. of spines He2 3 4A Oy. 
Frequency L249 0 722 ak 
Total frequency 50 
No. of spines. 
Fig. 7. Spine frequency polygon. 
Eumundi, June 1916. 
