The Formal Definition of 'Species'

Contents

1. Title page
   
   
2. Introduction
   
   
3. Introduction, continued
   
   
4. Introduction, continued
   
   
5. Fig. 1 - The causal relations of ontogeny, tokogeny, and phylogeny
   
   
6. Outline of inferential relations in biological systematics
   
   
7. Fig. 2 - relations between abductive inferences
   
   
8. The formal definition of 'semaphoront,' Fig. 3
   
   
9. The formal definition of 'species'
   
   
10. Species hypotheses using sexual tokogenetic theory for intrinsic properties
    
    
11. Fig. 4 - The inference of species hypotheses for sexually reproducing organisms, intrinsic properties
    
    
12. Species hypotheses using sexual tokogenetic theory for relational properties
    
    
13. Fig. 5 - The inference of species hypotheses for sexually reproducing organisms, relational properties
    
    
14. Species hypotheses using heterogenetic theory
    
    
15. Fig. 6 - The inference of species hypotheses for heterogenetically reproducing organisms
    
    
16. Species hypotheses using asexual tokogenetic theory
    
    
17. Fig. 7 - The inference of species hypotheses for asexually reproducing organisms
    
    
18. The formal definition of 'supraspecific taxon'
    
    
19. Fig. 8 - The inference of phylogenetic hypotheses for sexually reproducing organisms
    
    
20. Fig. 9 - The inference of phylogenetic hypotheses for heterogenetically reproducing organisms
    
    
21. Fig. 10 - The inference of phylogenetic hypotheses for asexually reproducing organisms
    
    
22. Some general consequences
    
    
23. Fig. 11 - The problem of temporal subjectivity in the inference of species hypotheses
    
    
24. Some consequences for 'maximum likelihood' methods in phylogenetic systematics
    
    
25. Fig. 12 - The context of 'maximum likelihood' methods is tokogenetic, not phylogenetic
    
    

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Information:
CONTACT: Dr. Kirk Fitzhugh, Associate Curator of Polychaetes, Research & Collections Branch, Natural History Museum of Los Angeles County, 900 Exposition Blvd, Los Angeles CA 90007, USA

Last updated:
April 27, 2004 (Tuesday)