12 public-domain matches

Sponges

Cover of A Manual of the Infusoria: Including a Description of All Known Flagellate, Ciliate, and ..

A Manual of the Infusoria: Including a Description of All Known Flagellate, Ciliate, and ..

William Saville Kent

Cover of Guide to the coral gallery (Protozoa, Porifera or sponges, Hydrozoa, and Anthozoa)

Guide to the coral gallery (Protozoa, Porifera or sponges, Hydrozoa, and Anthozoa)

British Museum (Natural History). Dept . of Zoology

Cover of Guide to the coral gallery (Protozoa, Porifera or sponges, Hydrozoa, and Anthozoa), in the Department of Zoology, British Museum (Natural history)

Guide to the coral gallery (Protozoa, Porifera or sponges, Hydrozoa, and Anthozoa), in the Department of Zoology, British Museum (Natural history)

British Museum (Natural History). Dept . of Zoology

Cover of On the non-visual perception of the length of lifted rods

On the non-visual perception of the length of lifted rods

Louis Benjamin Hoisington

Cover of Protozoa

Protozoa

Marcus Manuel Hartog

Cover of The porifera and coelentera

The porifera and coelentera

Edward Alfred Minchin

Cover of IS 10829: X-Ray Detectable Gauze Swabs and Laparotomy Sponges

IS 10829: X-Ray Detectable Gauze Swabs and Laparotomy Sponges

Bureau of Indian Standards

Cover of Freshwater Sponges, Hydroids & Polyzoa

Freshwater Sponges, Hydroids & Polyzoa

Nelson Annandale

Cover of Note on Excretion in Sponges

Note on Excretion in Sponges

G. Bidder

Cover of New Observations upon the Worms That form Sponges. By John Andrew Peyssonel, M. D. F. R. S. Translated from the French

New Observations upon the Worms That form Sponges. By John Andrew Peyssonel, M. D. F. R. S. Translated from the French

J. Peyssonel

Cover of Half Hours With the Lower AnimalsProtozoans, Sponges, Corals, Shells, Insects, and Crustaceans

Half Hours With the Lower AnimalsProtozoans, Sponges, Corals, Shells, Insects, and Crustaceans

Charles Frederick Holder

Cover of Sponge cakes

Sponge cakes

United States. Department of Agriculture. Radio Service