00665cam a2200205 4500 375944844 TxAuBib 20170329120000.0 140226s2014||||||||||||||||||||||||eng|u 45019 Project Gutenberg PGUSA eng TxAuBib Balfour, Francis Maitland. The Works of Francis Maitland Balfour, Volume 3 (of 4) [Gutenberg] : A Treatise on Comparative Embryology: Vertebrata / Francis M. Balfour. Project Gutenberg, 2014. Public domain in the USA. Text. Embryology. Zoology. http://www.gutenberg.org/ebooks/45019 CLMPL