Semi-contracted cells - magnified

Description :

Longitude (deg): -1.7. Latitude (deg): 50.8. Longitude (deg/min): 1° 50' W. Latitude (deg/min): 50° 50' N. Vice county name: South Hants. Vice county no.: 11. Country: England. Identified by: Malcolm Storey. Comment: forming ruddy brown bloom on surface of garden pond. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS1000D dSLR and Axioskop microscope with \"2.5\" projection eye-piece.