Аннотация:It has always been peculiar to evolutionists to compare social and biological evolution, the latter as visualized by Charles Darwin. But it also seems possible and correct to draw an analogy with another great discovery in the field of evolutionary biology, with the homologous series of Nikolay Vavilov (1921, 1927, 1967). However, there is no complete identity between cultural parallel-ism and biological homologous series. Vavilov studied the morphological ho-mology, whereas our focus within the realm of social evolution is the functional one. No doubt, the morphological homomorphism also happens in the process of social evolution (e.g., in the Hawaii Islands where a type of the sociocultural organization surprisingly similar with the ones of other highly de-veloped parts of Polynesia had independently formed by the end of the 18th century [Sahlins 1972/1958; Goldman 1970; Earle 1978; Johnson and Earle 2000; Seaton 1978]). But this topic is beyond the present article's problematique.