STUDIES ON CHROMOSOMES 
57 
All the figures are from camera lucida drawings. With a few exceptions they 
are a little more enlarged than those of Study V. 
Fig. 1 a-/, spermatogonial groups, M. femoratus, No. 64, three from each tes- 
tis; g, h, spermatogonial groups for comparison from M. terminalis. No. 2, 
with one small supernumerary (23 chromosomes) ; 2, j, spermatogonial groups 
from M. fcx-noratus, No. 29 (22 chromosomes); k, I, early prophases, No. 64; m, 
n, late prophase of same ; o, late prophase for comparison, from M. terminalis. No. 
4.3. with one small supernumerary (23 chromosomes). 
