PLATE LXXXVIIL 



Fig. 



1. Lateral view of Ophelia limacina, H. Bathke, from St. Andrews. Slightly enlarged. 



2. Partly lateral view of Polyophthalmus pictvs, Dujardin, from Bantry Bay. Enlarged. 



3. Dorsal aspect of Travisia Forbesii, Johnston (the odour of which is peculiar). 



Enlarged. 



4. Scalibregma inflatum, H. Bathke, from Lochmaddy, North Uist. Enlarged. 



5. Arenicola marina, L. Dorso-lateral view with proboscis extruded. 



6. Gill of Arenicola marina. Magnified. 



7. Young of the same in its pelagic sheath of mucus. Enlarged. 



8. Arenicola ecaudata, Johnston. Slightly enlarged. From Dr. Ashworth's Monograph, 



by the courtesy of the Trustees of the British Museum. 



9. Arenicola brdnchialis, Audouin & Edwards. Slightly enlarged. From Dr. Ashworth's 



Monograph, by the courtesy of the Trustees of the British Museum. 

 10. Ephesia gracilis, H. Bathke; in a slightly softened condition, the reddish hue being 

 due to extravasations of blood. 



