Darwiniana; Essays and Reviews Pertaining to DarwinismESSAYS AND REVIEWS PERTAINING TO DARWINISMReading editionChapter navigation11 reading sectionsGo to chapterChoose a chapter…Front matterESSAYS AND REVIEWS PERTAINING TO DARWINISMIntroductory materialPART III.—Theories contrasted.—Early Arguments against Darwinism.—Philosophical and Theological Objections—Theory may be theistic.—Final Cause not excluded.—Cause of Variation unknown.—Three Views of Efficient Cause compatible with Theism.—Agassiz's Objections of a Philosophical Nature.—Minor Objections.—ConclusionPART II.—Do Species wear out, and, if not, why not?—Implication of the Darwinian Theory that Species are unlimited in Existence.—Examination of an Opposite Doctrine maintained by Naudin.—Evidence that Species may die out from Inherent Causes only indirect and inferential from Arrangements to secure Wide Breeding—Physiological Import of Sexes—Doubtful whether Sexual Reproduction with Wide Breeding is a Preventive or only a Palliative of Decrepitude in Species.— Darwinian Hypothesis must suppose the FormerPART II.—Do Species wear out, and, if not, why not?—Implication of the Darwinian Theory that Species are unlimited in Existence.—Examination of an Opposite Doctrine maintained by Naudin.—Evidence that Species may die out from Inherent Causes only indirect and inferential from Arrangements to secure Wide Breeding—Physiological Import of Sexes—Doubtful whether Sexual Reproduction with Wide Breeding is a Preventive or only a Palliative of Decrepitude in Species.— Darwinian Hypothesis must suppose the Former (continued 2)PART II.—Do Species wear out, and, if not, why not?—Implication of the Darwinian Theory that Species are unlimited in Existence.—Examination of an Opposite Doctrine maintained by Naudin.—Evidence that Species may die out from Inherent Causes only indirect and inferential from Arrangements to secure Wide Breeding—Physiological Import of Sexes—Doubtful whether Sexual Reproduction with Wide Breeding is a Preventive or only a Palliative of Decrepitude in Species.— Darwinian Hypothesis must suppose the Former (continued 3)PART II.—Do Species wear out, and, if not, why not?—Implication of the Darwinian Theory that Species are unlimited in Existence.—Examination of an Opposite Doctrine maintained by Naudin.—Evidence that Species may die out from Inherent Causes only indirect and inferential from Arrangements to secure Wide Breeding—Physiological Import of Sexes—Doubtful whether Sexual Reproduction with Wide Breeding is a Preventive or only a Palliative of Decrepitude in Species.— Darwinian Hypothesis must suppose the Former (continued 4)PART II.—Do Species wear out, and, if not, why not?—Implication of the Darwinian Theory that Species are unlimited in Existence.—Examination of an Opposite Doctrine maintained by Naudin.—Evidence that Species may die out from Inherent Causes only indirect and inferential from Arrangements to secure Wide Breeding—Physiological Import of Sexes—Doubtful whether Sexual Reproduction with Wide Breeding is a Preventive or only a Palliative of Decrepitude in Species.— Darwinian Hypothesis must suppose the Former (continued 5)PART II.—Do Species wear out, and, if not, why not?—Implication of the Darwinian Theory that Species are unlimited in Existence.—Examination of an Opposite Doctrine maintained by Naudin.—Evidence that Species may die out from Inherent Causes only indirect and inferential from Arrangements to secure Wide Breeding—Physiological Import of Sexes—Doubtful whether Sexual Reproduction with Wide Breeding is a Preventive or only a Palliative of Decrepitude in Species.— Darwinian Hypothesis must suppose the Former (continued 6)PART II.—Do Species wear out, and, if not, why not?—Implication of the Darwinian Theory that Species are unlimited in Existence.—Examination of an Opposite Doctrine maintained by Naudin.—Evidence that Species may die out from Inherent Causes only indirect and inferential from Arrangements to secure Wide Breeding—Physiological Import of Sexes—Doubtful whether Sexual Reproduction with Wide Breeding is a Preventive or only a Palliative of Decrepitude in Species.— Darwinian Hypothesis must suppose the Former (continued 7)Previous chapter ←Front matterNext chapter →Introductory materialAll chapters and sections (11)Opening pagesFront matterOther sectionsESSAYS AND REVIEWS PERTAINING TO DARWINISMOpening pagesIntroductory materialParts32222222BY ASA GRAY FISHER PROFESSOR OF NATURAL HISTORY (BOTANY) IN HARVARD UNIVERSITYNEW YORK: 1876.◇← Front matterIntroductory material →