Hassler Expedition (1871-1872)

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The Hassler Expedition was composed of a group of scientists invited to accompany the new U.S. Coast Survey Steamer, Hassler, when she sailed from the east coast to her assignment on the coast of California. Louis Agassiz led the team of scientists. Invitations were offered with the stipulation that the US government would not be responsible for scientist’s expenses, and that the ship would make stops for scientific purposes when possible, but at such a rate not to impact their timely arrival at their final destination. The voyage took place, December 1871 to August 1872. Scientific goals included deep-sea dredging to collect deep-sea specimens as well as amassing marine life to compare to fossils from earlier eras, as well as observe the glaciers and moraines of the Southern Andes. In addition to the collection of marine animal life, hundreds of samples of algae were pulled off the ocean’s floor, coastal rocks, and skimmed from the sea-surface. Professor Louis Agassiz of Harvard University was invited to lead the coastal voyage that would explore the sea at greater depths than ever before. Agassiz’s own personal objective was to “consider the whole Darwin Theory free from external influences and former prejudices,” by analyzing and evaluating the specimens collected. The steamer was commanded by Lieut. Commander Phillip R. Johnson, U.S.N., was equipped with new technologies for the purpose of probing the life at the bottom of the sea and was described by Agassiz as, “potentially the most significant accomplishment in ocean science since the voyages of Captain Cook.” Staff included Count L.F. Pourtales (oversaw deep-sea dredging); Dr. Hill and Dr. White (physicists); Dr. Franz Steindachner of the Royal Vienna Museum (specimen collector); J. H. Blake (artist and assistant). Thomas Hill, a former President of Harvard, was employed as the official botanist of the expedition. Both Mrs. Agassiz and Mrs. Johnson joined the voyage. According to the Annual Report of the Coast Survey, over 7,000 specimens were accumulated over the course of the eight month exploration. Many specimens were sent to the Museum of Comparative Zoology at Harvard University, while others were sent to the Smithsonian Institution. The Hassler Expedition was just the beginning of scientific exploration into the deep-sea. The official report states that a vast variety and volume of specimens were discovered, many of which were previously unknown.

Smithsonian Institution Archives Field Book Project: CorporateBody : Description : rid_19_eid_EACE0019

Archival Resources
Role Title Holding Repository
referencedIn Blake, James Henry, 1845-1941. Notes on Louis Agassiz's lectures on board the steamer Hassler, 1871-1872. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Blake, James Henry, 1845-1941. [Track of the Hassler Expedition]. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Agassiz family. Papers of the Agassiz family, 1817-1910 (inclusive), 1847-1910 (bulk) [microform]. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Hill, Thomas, 1818-1891. Letter to James Henry Blake, written on the Hassler Expedition, 1871 or 1872. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Blake, James Henry, 1845-1941. Summary of the Hassler Expedition. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Hill, Thomas, 1818-1891. "Here in Africa we may see" and "Out of his study's stifling air," poems written on the Hassler Expedition, 1871 or 1872. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Blake, James Henry, 1845-1941. Hassler notes, 1871-1872. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Agassiz, Louis, 1807-1873. 1 letter to R.C. Waterston, soliciting funds for the Hassler Expedition, [ca. 1871]. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn White, J. William (James William), 1850-1916. Papers, 1880-1925. University of Pennsylvania, Archives & Records Center
referencedIn Agassiz, Louis, 1807-1873. Original zoological drawings and plates, 1830-1880 (bulk) Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
creatorOf Blake, James Henry, 1845-1941. Hassler Expedition pencil drawings, chiefly of Indians, buildings, landscapes, seascapes, and boats, 1871-1872. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Agassiz, Louis, 1807-1873. Letter to Thomas Russell, Boston, 1871 August 16. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Scrapbook of clippings, photographs, cartes-de-visite studio portraits, manuscripts and other materials, 1871-1940 (inclusive). Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Harvard University. Museum of Comparative Zoology. Records, 1859-1984 (inclusive), 1859-1946 (bulk). Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
referencedIn Blake, James Henry, 1845-1941. Hassler journal, 1871-1872. Harvard University, Ernst Mayr Library of the Museum of Comparative Zoology
Role Title Holding Repository
Relation Name
associatedWith Agassiz family. family
associatedWith Agassiz, Louis, 1807-1873 person
associatedWith Agassiz, Louis, 1807-1873. person
associatedWith Blake, James Henry, 1845-1941. person
associatedWith Blake, J. H., active 1871-1872 person
associatedWith Harvard University. Museum of Comparative Zoology. corporateBody
associatedWith Hill, Thomas, 1818-1891 person
associatedWith Hill, Thomas, 1818-1891. person
associatedWith Pourtalès, L. F. de (Louis François de), 1824-1880 person
associatedWith Steindachner, Franz, 1834-1919 person
associatedWith White, J. William (James William), 1850-1916. person
Place Name Admin Code Country
South America
Magellan, Strait of
Colón, Archipiélago de
Subject
Botany
Ichthyology
Invertebrates
Malacology
Zoology
Occupation
Activity

Corporate Body

Active 1871

Active 1872

English

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