CHAPTER 18.
Reading edition
1855-1860: AGE 48-53.
"Contributions to Natural History of the United States." —Remarkable Subscription.—Review of the Work.—Its Reception in Europe and America.—Letters from Humboldt and Owen concerning it. —Birthday.—Longfellow's Verses.—Laboratory at Nahant. —Invitation to the Museum of Natural History in Paris.—Founding of Museum of Comparative Zoology in Cambridge.—Summer Vacation in Europe.