vm.j 



UOJIOLOGIES. 



173 



the (lo^ bcf(>re spoken of. For this rehiiionship Mr. Hay 

 Laiikester has proposed the term " homophisy." 



TARSAL nONTS OF DIFFKRENT I.EMlTROmfl. 



(Eight tirsus of Galogo ; left tarsus of Chcirogalcus.) 



" Serial liomology " is a relation of resemblance existing 

 between two or more parts placed in series one behind the 

 other in the same individual. , Examples of such homologucs 



-r^cS^^ 



A CENTIPEDE. 



are the ribs, or joints of the backbone of a horse, or the 

 limbs of a centipede. The latter annual is a striking ex- 



