. Carnegie Institution of Washington publication. F. A. POTTS PLATE 1. Fig. 1. Thompsonia on Synalpheus brucei. Young external sacs on the abdominal and thoracic appendages, x 3. Fig. 2. The same at a later stage. The external sacs now contain Cypris larvae which are roughly indicated within, x 3. Fig. 3. Thompsonia on Thalamita prymna. To show the very large number of external sacs occurring on this specimen. Natural size. Fig. 4. Thompsonia on Actasa ruppellii. External sacs pear-shaped, x 2. The first three specimens figured are from Murray Island, the fourth from South Please note


. Carnegie Institution of Washington publication. F. A. POTTS PLATE 1. Fig. 1. Thompsonia on Synalpheus brucei. Young external sacs on the abdominal and thoracic appendages, x 3. Fig. 2. The same at a later stage. The external sacs now contain Cypris larvae which are roughly indicated within, x 3. Fig. 3. Thompsonia on Thalamita prymna. To show the very large number of external sacs occurring on this specimen. Natural size. Fig. 4. Thompsonia on Actasa ruppellii. External sacs pear-shaped, x 2. The first three specimens figured are from Murray Island, the fourth from South Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington


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