NOTES AND BIBLIOGRAPHY 



37. A like need impelled Immanuel Kant to conceive a 

 metaphysical scheme, suited to his apprehension of the 

 natural universe. 



38. De Gen. An., I. x. (715 a.) 



39. This passage unconsciously suggests that possibly the 

 motor or even the final cause lay implicit in the reasonings 

 of the old philosophers. Elsewhere Aristotle says: " The 

 ancient Nature-Philosophers . . . did not see that the 

 causes were numerous, but only saw the material and effi- 

 cient, and did not distinguish even these, while they made 

 no inquiry at all into the formal and final causes." De 

 Gen. An., V. 1. (778 b.) 



40. All of these passages are from De Partibus Ani- 

 malium, I. 1. (640 b. ff.) 



41. De Gen. An., I. 1. (715 b.) 



42. The "heterogeneous " parts; see Ante. It is Bichat's 

 (1771-1802) distinction between tissues and organs. 



43. De Partibus Animalium, II. n. (646 b.) 



44. De Partibus Animalium, IV. 10. (687 a.) 



45. De Gen. An., V. 1. (778 a.) and the notes of the 

 translator. 



46. De Gen. An., II. 3. (736 a.) and see the trans- 

 lator's note to the passage. 



47. This very attractive generalization is not to be 

 pressed too far. 



48. Hist. An., VIII. 1. (588 a.) 



49. De Gen. An., I. 18. Darwin held to a theory of 

 pangenesis, but it is not commonly accepted. 



50. Hist. An., VIII. 2. (589 b.) 

 Si. Hist. An., Vni. 12. (S96 b.) 



52. Collected in E. H. F. Meyer's Geschichte der 

 Botanik, Konigsberg, 1854-57; I. 88 ft. 



53. Sir Arthur Hort, see n. 24. 



54. Of which Meyer, o.c, gives a synopsis, I. pp. 167 ff. 



55. Julius von Sachs, History of Botany, 1530-1860, 

 Translation by H. E. F. Gamsey, Oxford. 1890; examples, 

 PP- i7. 42, 376, 450. 



56. Enquiry, I. 1. 9. 



57. Ibid., I. 1. 4. The last clause in the last sentence is 



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