PLATE XCIII. 



Fig. 



1. Spiophanes bombyx, Claparede, from the East Sands, St. Andrews. Enlarged. 

 la. Tail of the foregoing. Enlarged. 



2. Pygospio elegans, Claparede, from the East Rocks, St. Andrews. Enlarged. 



3. Polydora casca, CErsted, from a chink in the East Rocks, St. Andrews. Enlarged. 



4. Young Magelona papillicornis, Fritz Miiller, St. Andrews, June, 1898. Enlarged. 



5. Younger stage of the same species, St. Andrews, May loth, 1900. Enlarged. 

 6 and 7. Two post-larval stages of Polydora ciliata ?, St. Andrews. Magnified. 



8. Young Spionid {Spiophanes f), St. Andrews, April 21st, 1893. Magnified. 



9. Older stage of young Spionid (Spiophanes ?), St. Andrews, April 20th, 1893. 



Magnified. 

 10. Larval Capitellid (Capitella or Notomastus), St. Andrews, October 30th, 1897- 

 Magnified. 



