The
egg.
After Figure 14 egg on page 71 from Patterson (1943).
J. T. Patterson. Studies in the genetics of Drosophila. III. The Drosophilidae of
the Southwest. University of Texas Publications, 4313:7-216 , 1943.
Used with kind permission from The University of Texas at Austin School of Biological
Sciences.
See http://www.biosci.utexas.edu/ .
