...geometrical progression. Such is not the language of facts, which show that iu pure consanguinity, isolated from all circumstances of hereditary disease, resides, ipso facto, a principle of organic vitiation. The following family history affords a full confirmation of this statement:— 59. On the Bad Effects...

...particularize." Dr. Devay, of Lyons, in his Hygiene de Famille, asserts: " That in pure consanguinity, isolated from all circumstances of hereditary disease, resides, ipso facto, a principle of organic vitiation." He cites 121 consanguine marriages, of which 99 were prolific and 22 were not. M. Boudin takes merely...

...seems hardly to agree with the assertion made by Duvay of Lyons, "that in pure consanguinity, isolated from all circumstances of hereditary disease, resides, ipso facto, a principle of organic vitiation." Dr. Howe, who was quoted by Dr. Child, brought forward some remarkable statistics, showing that about...

...seems hardly to agree with the assertion made by Duvay of Lyons, "that in pure consanguinity, isolated from all circumstances of hereditary disease, resides, ipso facto, a principle of organic vitiation." Dr. Howe, who was quoted by Dr. Child, brought forward some remarkable statistics, showing that about...

...the union of blood-relations. Thus Duvay, of Lyons, asserts " that in pure consanguinity, isolated from all circumstances of hereditary disease, resides, ipso facto, a principle of organic vitiation." On the other hand, a not inconsiderable section regard this conclusion with doubt, and teach that consanguineous...