
Next two images showing oral region and trichocysts:


Finally, more detail of pellicle:

Microscope: Zeiss Standard
Ocular: Olympus P7
Objective: Leitz 40/0.7 NPL Fluotar ICT
Substage: Leitz 0.9 NA ICT
Flash: Vivitar 283
Camera: Canon EOS 500D
Sample from Warnham LNR (entrance pond), W. Sussex, UK, Sep 2009