141. Teaching watercolor of rectal disease and neoplasms Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
142. Teaching watercolor of removed masses in skin tissue and a microscopic view of the tissue Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
143. Teaching watercolor of removed piece of tissue Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
144. Teaching watercolor of removed tissue and a microscopic view of it Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
145. Teaching watercolor of skin disorder on the back of the neck, and of a star-shaped open wound Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
146. Teaching watercolor of the abnormal dilation of the subcutaneous abdominal veins Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
147. Teaching watercolor of the appearance of vessels in the web of a frog's foot after the addition of water Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
148. Teaching watercolor of the blood vessels in the right side of the neck Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
149. Teaching watercolor of the coverings of the sac of an oblique or external inguinal hernia Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
150. Teaching watercolor of the creation of an artificial anus Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
151. Teaching watercolor of the external signs of various types of hernias in females Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
152. Teaching watercolor of the internal surface of the abdominal parietes Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
153. Teaching watercolor of the later stages of hip disease, showing the apparent shortening of the leg on the diseased side Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
154. Teaching watercolor of the lower arm cut horizontally near the elbow to show muscles, bone, nerves, and blood vessels Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
155. Teaching watercolor of the muscles and blood vessels of the neck and jaw Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
156. Teaching watercolor of the muscles, nerves, and blood vessels of the inner elbow Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
157. Teaching watercolor of the muscles of clubfeet Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
158. Teaching watercolor of the muscles of the neck, chest, jaw, and clavicle Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
159. Teaching watercolor of the posterior wall of the inguinal canal Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
160. Teaching watercolor of the posterior wall of the inguinal canal and a view, from within, of the neck of the sac of a direct or internal inguinal hernia Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)