The Theory of Evolution | 305 



Canyon specimens to the cditha cluster are shown, the information 

 that KING579 is much more similar to WOOD613 than KING8461 

 is to WOOD613 is not in the dendrogram. 



At first it may seem that all the complicated manipulations of the 

 numerical taxonomic procedure have only confirmed the semi-intui- 

 tive conclusions of the original taxonomists. This is, however, not 

 the case. First of all, it is now possible to replace vague statements 

 about relationships with more precise information. With the preface 

 "based on the evaluation of the 75 characters coded as above, the 

 calculation of product-moment correlation coefficients, and a 

 weighted-variable-group search for structure in the Q matrix," it can 

 be stated, for instance, that the two Kings Canyon specimens are 

 correlated at the .543 level and that the average correlation of these 



Table 13.1 \ Q Correlation Matrix — Specimen x Specimen 



1-3 E. editha (SB600, SB601, SB602) : San Bruno Hills, San Mateo County, 

 California, elevation 600 feet, April 3, 1960. 



4-6 £. chalcedona (CHAL565, CHAL566, CHAL567): Pinnacles National 

 Monument, San Benito County, California, elevation 1,300 feet, April 

 26, 1959. 



7-8 E. editha (KING8461, KING579): Kings Canyon National Park, Cali- 

 fornia, elevation 9,000 to 10,000 feet, July 20-21, 1958. 



9-11 £. editha (WOOD611, WOOD612, WOOD613): Woodside Experi- 

 mental Population, San Mateo County, California, elevation 540 feet, 

 March 22, 1961. 

 12-13 E. editha (MONT6008, MONT6010): Route 198, 20 road miles east 

 of Route 101, Monterey County, California, elevation 2,500 feet, April 

 20, 1960. 



