Description

Urosoma (200x)Hydra – I.s. (130x)Nereis – x.s. (1x)Gills minnow – w.m. (8x)Spiracle – right side – grasshopper – w.m. (2x) / Tracheal Tubes left side – grasshopper – w.m. (Frog Lung – I.s. Stained (1x)Human Blood (900x) & Frog Blood (400x)Bronchial Tree (human) – stained