Category:Alternating generations - a biological study of oak galls and gall flies (1894)

Media in category "Alternating generations - a biological study of oak galls and gall flies (1894)"

The following 4 files are in this category, out of 4 total.

• 
  Alternating generations - a biological study of oak galls and gall flies (1894) (17922036360).jpg 3,544 × 2,144; 1.16 MB
  
• 
  Alternating generations - a biological study of oak galls and gall flies (1894) (17923512719).jpg 3,540 × 2,166; 1.22 MB
  
• 
  Alternating generations; a biological study of oak galls and gall flies (1894) (14595061730).jpg 3,068 × 2,024; 905 KB
  
• 
  Alternating generations; a biological study of oak galls and gall flies (1894) (14595103439).jpg 3,080 × 1,900; 1 MB