Freshwater sponges, hydroids & Polyzoa
London, Taylor and Francis, 1911
1911
Wellcome Library
Wellcome Library
Rights:
<a href="https://creativecommons.org/licenses/by-nc/3.0/" rel="nofollow">You have permission to make copies of this work under a Creative Commons, Attribution, Non-commercial license.</a>
Copyright Status:
Not provided. Contact Holding Institution to verify copyright status.