Table 46. — Bathymetric occurrence of Portlandia friqida, 

 based on three samples and five specimens. 



Table 50. --Bathymetric occurrence of Portlandia iris, 

 based on 47 samples and 334 specimens. 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Total 



Percentage of 



Samples 



33.3 

 66.7 



Specimens 



20.0 

 80.0 



100.0 



Depth range (m) 



Percentage of 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Total 



Samples 



2.1 



14.9 



27.7 

 55.3 



100.0 



Specimens 



0.3 



12.6 

 26.0 

 61.1 



Table 47. — Occurrence of Portlandia frigida in bottom sediments, 

 based on three samples and five specimens. 



Table 51. --Occurrence of Portlandia iris in bottom sediments, 

 based on 46 samples and 331 specimens. 



Bottom type 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



Percentage of 



Percentage of 



Samples 



33.3 

 66.7 

 100.0 



Specimens 



60.0 

 40.0 

 100.0 



Bottom type 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



Samples 



4.3 

 15.2 



6.5 

 28.3 



15.3 

 30.4 



100.0 



Specimens 



2.4 



4.5 



7.0 

 35.3 



13.3 

 37.5 



100.0 



Table 48. —Bathymetric occurrence of Portlandia inf lata, 

 based on 24 samples and 197 specimens. 



Table 52. — Bathymetric occurrence of Portlandia lenticula , 

 based on four samples and four specimens. 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Total 



Percentage of 



Samples 



20.8 

 4.2 

 75.0 



Specimens 



6.1 



1.5 



92.4 



100.0 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Total 



Percentage of 



Samples 



75.0 

 25.0 



Specimens 



75.0 

 25.0 



100.0 



Table 49. —Occurrence of Portlandia inf lata in bottom sediments, 

 based on 24 samples and 197 specimens. 



Table 53. —Occurrence of Portlandia lenticula in bottom sediments, 

 based on four samples and four specimens. 



Bottom type 



Percentage of 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



Samples 



16.6 

 4.2 



4.2 

 25.0 

 50.0 



100.0 



Specimens 



65.0 

 0.5 



1.5 

 13.2 

 19.8 



100.0 



Bottom type 



Percentage of 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



Samples 



75.0 

 25.0 



100.0 



Specimens 



75.0 

 25.0 



100.0 



137 



