Front part of body of a prosn (Spirontocaris polaris) from above, showing on the right side a swelling of the carapace caused by the presence of the parasite Bopyroides hippolytes in the gill chamber--A. 1911. Crabs--Parasites; Bopyridae.

描述：

Front part of body of a prosn (Spirontocaris polaris) from above, showing on the right side a swelling of the carapace caused by the presence of the parasite Bopyroides hippolytes in the gill chamber--A. Female parasite extracted and further enlarged--B; Male parasite on the same scale as the female--C