Teaching watercolor of a large growth on a child's head and a microscopic view of the tissue

Dublin Core


Teaching watercolor of a large growth on a child's head and a microscopic view of the tissue


Henry Jacob Bigelow Watercolor Collection
Wallis, Oscar
Bigelow, Henry Jacob, 1818-1890
Teaching Aids and devices
Teaching Methods
Harvard Medical School. Department of Anatomy
Fitz, Reginald, 1885-1953


Possibly of a local Boston patient


Large watercolor showing two different purple and red growths on the skin, and a large microscopic view of tissue. The top left growth is on the head of a child, above and behind the right ear. It is purple, with red dots on the exterior. The top right growth is a different case, and shows only the growth on skin and not the location. This one is in two parts, dark purple and red, with white lines over the surface. The lower part of the painting is taken up by a round microscopic view of tissue, surrounded by a black frame. The tissues show several different forms, including several tube like structures filled with cells, and a few amoeba-like blobs. A red blood cell is shown from scale. Watercolor is framed in green sewn textile, with metal grommets in each of the four corners.


Wallis, Oscar

Date Created



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Access Rights

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Is Part Of

Warren Anatomical Museum (21142.292)




watercolors (paintings)




Henry Jacob Bigelow employed artist Oscar Wallis exclusively from 1848 - 1854 to paint a series of large teaching watercolors to illustrate Bigelow's lectures at Harvard Medical School. Wallis painted the teaching diagrams from local subjects and from the atlases of established medical authorities. The effort cost Bigelow $6,000. In 1890 Bigelow presented the watercolors to Reginald H. Fitz to be used in the Harvard Medical School's Department of Anatomy. The watercolors were transferred into the Warren Anatomical Museum between 1890 and 1930.

Still Image Item Type Metadata

Physical Dimensions

69 W x 100 H cm




Wallis, Oscar, “Teaching watercolor of a large growth on a child's head and a microscopic view of the tissue,” OnView, accessed June 21, 2024, https://collections.countway.harvard.edu/onview/items/show/13253.