كتب ذات صلة

Scale insects on deciduous and ornamental trees. A report to the State board of horticultural commissioners.

Scale insects of the Santa Cruz peninsula.

The red or orange scale

The purple scale

• Monograph of the Coccidæ of the British Isles.
  المؤلفون: Newstead, Robert
• Monograph of the Coccidµ of the British Isles.
  المؤلفون: Newstead, Robert

• The tailless batrachians of Europe
  المؤلفون: Boulenger, George Albert
• The tailless batrachians of Europe
  المؤلفون: Boulenger, George Albert
• The tailless batrachians of Europe.
  المؤلفون: Boulenger, George Albert