Category:1938 in biology

Subcategories

This category has only the following subcategory.

Media in category "1938 in biology"

The following 5 files are in this category, out of 5 total.

• 
  Control of the Japanese beetle on fruit and shade trees (1938) (20069588434).jpg 2,056 × 2,524; 2.29 MB
  
• 
  Control of the Japanese beetle on fruit and shade trees (1938) (20071226883).jpg 2,060 × 1,624; 1.46 MB
  
• 
  Control of the Japanese beetle on fruit and shade trees (1938) (20665887796).jpg 2,040 × 1,528; 1.39 MB
  
• 
  Control of the Japanese beetle on fruit and shade trees (1938) (20665891136).jpg 2,044 × 1,236; 1.15 MB
  
• 
  Control of the Japanese beetle on fruit and shade trees (1938) (20665899946).jpg 2,036 × 1,476; 1.43 MB