EOIMTTIA (Continued) 



Species 



R. noryegicus 

 ( 'Wild' ) 



" ('Albino') 



Rattus norvegicns 

 ( 'Albino' ) 



" ('Albino') 



( " ) 

 ('Wild') 



( » ) 



(Bpimyg 

 norvegicuB ) 



Chromosome Number 

 2n n 



62s 



^2s 



^2s 

 ±4n 



n,2n 



22-26, 

 65-70, 

 100-105 



12-15- 

 37 



20-25, 

 80-90 



k2z 



Remarks 



Observer 



References 



2l£(l) 

 21,31^(11) 



21* (15 

 21,31o\ll) 



2io\l,ll) 



Swezy '26,«28 Sci. 66; J.E.Z. 

 51. 



Walker rat Lewis & Lock- 3ull. John Hopk. 

 sarcoma wood '29 Hosx>. l&. 



Sarcoma 



Hirschfeld & Z. Zrebsf. 30. 



Klee-Rawi- 



dowicz '30 



Cancer Levine '31 Am. J. Cane. 15. 



- — Sarcoma. 



2l£(l, 11) X-Y$ 

 2l£(l) « 



Isibasi, Sino- Trans. Jap. Path, 

 hare & Okada'31 Soc. 21. 



Alexenko &■ 

 ITatansohn'32 



Z. Zrebsf. 38. 



Minouchi '28 Jap. J.Z. 1. 

 a.b 



Bryden '32, '33, «- T .:. 26, 27; 



'35 Cyt. 6. 



" X-Y6*; post- Koller & J.G-. 29. 



red. in 10$ Darlington' 34 



21o K (l,ll) X-Y# 



21^(1) 

 2l£(l) 



Oguma '35a,b llippon Gakuzyutsu- 

 Xyokai 10; J.F.S. 

 Hokkaido I.U. Ser. 

 VI, k. 



Tateishi '35 Nippon Gpkuzyutsu- 

 Kyokai 10. 



Matthey '36, A.B. h?; J.G. 36. 

 '38 



X-Y6*; 



Correction 

 of 1018 



Allen '1*0 



J.M. 66. 



-211- 



