UROIXELA (Continued) 



Species 



Chromosome Number 

 2n n 



Remarks 



Observer 



References 



Triton x Salamandra 12m(n) 



Triturus ensicauda 



Triturus (Dienyctilus) 

 p^rrhogaster 



24s 



12m(n) 



12m(n) 

 36m(3n) 

 36s(« ) 

 36-37o (» ) 



12m(n) 

 2n,3n,n 



24s 



24o 



• — Merogonic Boehringer 



hybrid; early '38 

 death. 



12o\l,ll) Sex chrom. Sato *JU 

 unknown. 



" » Iriki '31, 



•32a,b 



Sato '32 



Roux' Arch. 138. 



J.S. Hiroshima 17. 

 Ser. B, 3. 



P.I.A. (Tokyo) 7; 

 Z.M. (Jap.) 44; 

 S.B. Tokyo B.D. 

 Sec. B, 1. 



J.S. Hiroshima U. 

 Ser. B, 2. 



Merogonic; 



early death. 



Androgenic; 



3n appear. 



— 3n from re- 

 frigerated 

 eggs. Ovaries 

 rudimentary 

 in 3no. Meio- 

 sis irregular 

 in 3**". 



n in connec- 

 tive tissue 



Spontaneous 



& cold- in- 

 duced egg". 



126(1,11) No sex ele- 

 ment . 



FanHiau-er '37 J.H. 28. 



Kaylor '39, 

 '40a, »40b 



Fawamura ' &1 , 

 K. & Sanada 

 '43, '49 



Ishizawa '37 



Fr.nkhauser, 

 Crotta & 

 Perrot '42 



Maki '49 



B.B. 77, 79, 79. 



Z.M. (Jap.) 53; 



Hyogoken Nat. 

 Hist. Soc. 8-9; 



J ikken-Fei tai gaku 

 5. 



C.R.S.B. 125. 

 J.F.Z. PQ. 



Seibutu. 4. 



Triturus similans 



2n,3n,n 



Triturus (Diemyctllus) 



torosus 



Triturus viridescens 



10 



22m(2n) 

 33m(3n) 



Refriger- 

 ated eggs. 



'-12o_d.il) 



Castello 

 '42 



A.R. 84. 



Lebrun '02a, b B.B. 3; 1-C 20. 



Spontaneous 

 3n in 1.6-1 



Fankhauser 

 '38a, b; '?9, 

 '40, "41 



Proc. Am. Phil. 

 Soc. 79; A.R. 

 72; Genet. 24; 

 A.R. 77; J.M- 

 68. 



3- 40m 



Msrcgonic; 

 Chrom. num- 

 ber variable 



Fankhauser '32 A.R. 54. 



-233- 



