'^76 Pub. Puget Sound Biol. Sta. Vol. 2, No. 49 



PLATE 50 



Fig. 2 (above). Photograph of preserved specimen. The hood is 

 contracted into a knob as when the animal swallows. Natural size. [Photo 

 by author.] 



Fig. 3 (below). Photograph of egg-body (nidosome). The dark 

 band at right angles to the folds of the nidosome is a piece of eel-grass to 

 which the egg-body is attached; the white radiating dots are the egg- cap- 

 sules, each containing 10 — 22 eggs. Natural size. [Photo by author.] 



