CHROMOSOME NUMBER AND PAIRS IN AMBYSTOMA 
CHARLES L. PARMENTER 
27 ,2.5 13 
15.1 16.2 
+.7 + 2.8 
27.6 276 
+.7 
30+ 33 
l% JV? 
31 8.5 10.5 14 ! 6-5 
20 20 
24 24 
25 26 
29 33.5 
32 6 8 II 14 
I 2 
17 17.5 
4 
19 19 
5 
19 20 
6 
22 23 26 26 
7 8 
243 
244 
PLATE 8 
39 41 
26 27 
9 
28 28 
10 
245 
