W. s. SWINGLK. — VAIlhTKiN I.N FIUST r.K.NKKATKt.N IIVmilDS. ,-,Sll 



ses, a fuMclidii (if llicii- relative posilioiis ; iiiul riiillier. tlial in mosi cases llie 



'.1. — CillcliHMI. N' iirp."ll l,i^lJ( 



wilh viTv l:ii-r latiT.il IimIIcIs a 



■il willi Cilriis Infn/nilii), slidwiiig Iril'uliali' luan' 

 I '1 iialiii-al sl/o. 



relative positions of lliese bearers of lieicdil y, as delerniiiied at the moment ol' 

 i'usion of tlie maie and fcmale niielei. pcr^isl nnchanged throughoul ontogeny 

 of Ihe olVspring. Some phenomena, sucli as reversions lo the one or the olher 

 parent form l>y a larger or smaller portion of the hybrid, vvould be explaincd by 



