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Trieste Publishing has a massive catalogue of classic book titles. Our aim is to provide readers with the highest quality reproductions of fiction and non-fiction literature that has stood the test of time. The many thousands of books in our collection have been sourced from libraries and private collections around the world.The titles that Trieste Publishing has chosen to be part of the collection have been scanned to simulate the original. O...

Excerpt from Contribution to the Embryology and Phylogeny of the Pycnogonids, Vol. 5: A Dissertation, Presented to the Board of University Studies for the Degree of Doctor of PhilosophyIt is here seen that the ectoblast cells over one hemisphere are somewhat higher than at the opposite, and I find this very con stant in sections of both species at this stage of development. After this it becomes difficult to follow out the fate of the germ lay...

Excerpt from The Genetic and the Operative Evidence Relating to Secondary Sexual Characters The birds first operated upon were adult F1 and F3 hen-feathered birds. The first one done by myself died, but a few, whose testes were removed by Dr. H. D. Goodale at my request, lived and changed to cock-feathered birds. Since then I have operated successfully on a number of F1 and F2 birds, as well as Sebright males. In these opera tions I have had ...

This is a pre-1923 historical reproduction that was curated for quality. Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not impede the reading experience. We believe this work is culturally important and have elected to bring the book back into print as part of our cont...