FLEMINGER: INTEGUMENTAL ORGANS IN GENUS EUCALANUS 



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Figure 22. — Variation in the occurrence 

 of perforations at designated sites in three 

 regionally pooled samples of Eiicalamis 

 subtenuis adult females. Sampling locali- 

 ties shown in Figure 20 and geographical 

 grouping based on significant differences 

 between geographical regions shown in 

 Table 7. From the left: Atlantic Ocean 

 sample (N = 50), Indian Ocean sample 

 (N = 24), Pacific Ocean sample (N = 

 36). Dots represent perforation sites 

 typical of the species. Numbers represent 

 percentage of specimens lacking a per- 

 foration at this site; open circles enclose 

 pairs of sites showing the same frequency 

 of absence. Absence of a number indicates 

 perforation found in all specimens of 

 the sample. Dorsal view top: right 

 lateral view bottom. 



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