كتب ذات صلة

The ventriculidae of the chalk: their microscopic structure, affinities and classification.

A Middle Devonian octactinellid sponge from New York

A memoir on the Palaeozoic reticulate sponges constituting the family Dictyospongidae

Organic siliceous remains in the lake deposits of Nova Scotia

• Fossil sponge spicules from the upper chalk found in the interior of a single flint-stone from Horstead in Norfolk
  المؤلفون: Hinde, George Jennings
• Fossil sponge spicules from the upper chalk found in the interior of a single flint-stone from Horstead in Norfolk
  المؤلفون: Hinde, George Jennings
• Fossil sponge spicules from the upper chalk found in the interior of a single flint-stone from Horstead in Norfolk.
  المؤلفون: Hinde, George Jennings

• Science on stage 1 & 2 : demonstrations & teaching ideas
  
• Physics on stage 3 : demonstrations & teaching ideas
  
• Specimens of Arabian poetry
  المؤلفون: Carlyle, Joseph Dacre