HYPOTHESIS OF 1 



•CALK OF ANIMAL KINGDOM BRAIN 

 (The numberg indicate orders :) 



Radiata (1, 2, 3, 4, 5) - - . 



Mollusc a (6, 7, 8, 9, 10, 11) . . 



(.Annelida (12, 13, 14) - . 

 Crustacea (15, 16, 17, 

 18, 19, 20) 

 Arachnida and lnsecta 

 (21 31) 

 ' Pisces (32, 33, 34,35, 36,) 



Reptilia (37, 38, 39, 40) 



dves (41, 42, 43, 44,45, 

 46) ' 

 '47 Cetacea. 



48 Ruminantia 



49 Pachyder 

 Vn*T*> mata 



bhata 1 50 Edentata 



51 Rodentia 



rertebim- 



Mam 

 malia 



52 Marsupialia 



53 Amphibia 



54 Digitigrada 



55 Plantigrada 



I 56 Insect ivora 

 ! 57 Cheiroptera 

 1 58 Quadrumana 

 { 59 Dim an a - 



nt; 

 □ant j 



itigrade 



tadruma 



nan cur 



