18 





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ff-e-#-' e 'c e' 



Fig. 4a. Samples print-out of IBM station-data cards. This photograph of the first set of cards 



does not agree with the data as shown in the Appendix, as the depths have recently been 



changed from fathoms into meters. 



A second card is used as a storage card for the data on the individual 

 species. This card contains a species code number, which gives the class, 

 genus and species, with enough digits for the largest possible number of 

 classes, genera and species to be added. These cards are numbered con- 

 secutively, but correspond to an alphabetical listing by genus and species. 



