CITATIONS AND OTHER WORKS. 321 



II. Citations for Further Information. 



The Author believes it may be of service to the reader to indi- 

 cate portions of his own writings in which subjects lightly touched 

 in this book may be found further elucidated. The works in the 

 appended list are cited by the numbers prefixed. 



1. For graphical illustrations of the general subject, see espe- 

 cially II ; but also III, IV and V. 



2. Rudimentary guide to systematic study, I. 



3. Ampler guide to systematic study, II. 



4. Fuller and more scientific treatment of theoretical portions 

 of the general subject, III. 



5. Popular descriptions with delineations of terrestrial history 

 yet future, V. 



6. Glacial phenomena and scenery, IV. 



7. Something fuller on prehistoric man, V, VI. Also Mc- 

 Clintock and Strong's Cyclopaedia, Article "Preadamites." 



8. Ethnology, homes, and migrations of early peoples, VI. 



9. The relations of religion and intelligence, VIII, IV. 



10. Synopsis of world-theories of Kant, Laplace, Herschel, and 

 others, III, Part IV. 



11. The Doctrine of Evolution, VII, IV. But more especially, 

 Encyclopedia Britannica, American Reprint, Supplement, Article 

 " Darwinism ;" also, McClintock and Strong's Cyclopaedia, Supple- 

 ment, Article, " Evolution." 



III. Other Works by the Author of this Book. 



I. Geological Excursions, or the Rudiments of Geology for 



young Learners, 234 pp. 88 cuts. Griggs & Co., Chicago. 



II. Geological studies, or Elements of Geology for High 

 Schools, Colleges, Normal and other Schools. Part I. Geology In- 

 ductively Presented. Part II. Geology Treated Systematically, 

 about 500 pp. 367 Illustrations. Griggs & Co., Chicago. 



III. World-I4fe or Comparative Geology, pp. xxiv-f-642. 

 59 illustrations. S. C. Griggs & Co., Chicago. 



IV. Sparks from a Geologist's Hammer, pp. 400, with 

 10 illustrations. Griggs & Co. 



