Date   
Piperine as a mounting medium on J A Long slide. Was it often used before? By urginia · #3953 ·
Diatoms from "fresh frozen" Portuguese sardines By urginia · #3920 ·
Diatoms from "fresh frozen" Portuguese sardines By urginia · #3918 ·
Diatoms from "fresh frozen" Portuguese sardines By urginia · #3917 ·
microfossil image competition By urginia · #3563 ·
Diatom Cleaning By urginia · #3493 ·
Doublet By urginia · #3480 ·
Blue coverslips on antique diatom slides By urginia · #3448 ·
Blue coverslips on antique diatom slides By urginia · #3446 ·
Nice photos, Charles! By urginia · #3440 ·
Nice photos, Charles! By urginia · #3435 ·
Arachnoidiscus By urginia · #3431 ·
Muelleriopsis By urginia · #3402 ·
Muelleriopsis By urginia · #3401 ·
Muelleriopsis By urginia · #3398 ·
Actinocyclus cholnokyi?? By urginia · #3395 ·
What is this in freshwater lake sample? By urginia · #3388 ·
St. Laurent deposition rate? By urginia · #3367 ·
Malaga Cove rarity By urginia · #3299 ·
guide to freshwater diatoms, S Africa By urginia · #3298 ·
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