158 



ANIMAL INDIVIDUALITY 



(Bj) Full individuals 

 of the Second Grade. 



(B 2 ) Compound 



wholes made up of 

 second-grade indi- 

 viduals ; without 

 division of labour. 



(B 3 ) = (C ) Ditto, but 

 with division of la- 

 bour (rudimentary 

 third - grade indi- 

 viduals). 



(C a ) Full individuals 

 of the Third Grade. 



(a) 



Clathrina (p. 90). 

 Hydra (p. 40). 



Man, regarded singly. 



Pronuba, in certain re- 

 spects (p. 128). 



Many Sponges. 



Many Corals. 



Some Polyzoa (p. 119 .). 



Hydroid colonies such 

 as Bougainvillea (p. 

 38). 



Polyzoa with avicularia 

 (p. 119 n.). 



Siphonophora (p. 119). 



An Ant Community (pp. 

 12, 142). 



Human Society (p. 143). 



Yucca-plant plus Pro- 

 nuba (in certain re- 

 spects) (p. 128). 



A Lichen (p. 122). 



Convoluta plus its green 

 cells (p. 126). 



(6) 



A single polyp of Bou- 

 gainvillea (p. 38), or 

 of a Siphonophoran 

 (p. 119). 



Man, regarded as a Unit 

 of Society. 



Pronuba, in certain re- 

 respects (p. 135). 



Convoluta, considered 

 apart from its green 

 cells (p. 126). 



A single Ant (p. 142). 



