Diatoms - Bacillaria paxillifer (right) and Meridion vernale (left and center), magnified, vintage engraved illustration. Trousset encyclopedia (1886 - 1891).

- Image ID: EWA0RE
Diatoms - Bacillaria paxillifer (right) and Meridion vernale (left and center), magnified, vintage engraved illustration. Trousset encyclopedia (1886 - 1891).
Patrick Guenette / Alamy Stock Vector
Image ID: EWA0RE
Diatoms - Bacillaria paxillifer (right) and Meridion vernale (left and center), magnified, vintage engraved illustration. Trousset encyclopedia (1886 - 1891).