PLATE XCVIL 



Fig. 



1. Anterior foot (10th ?) of Nerine folios a, Sars. X about 25 diam. 

 1 a. Fiftieth foot. X about 25 diam. 



1 b. Ninetieth foot. x about 25 diam. 



1 c. One hundred and twenty-fifth foot of the same. X about 25 diam. 



2. Tenth foot of Ferine cirratwlus, Delle Chiaje. X about 25 diam. 



2 a. Twenty-fifth foot. X about 25 diam. 

 2b. Ninetieth foot, x about 25 diam. 



2 g. Posterior foot of the same species. X about 25 diam. 



3. First foot of Scolecolepis vulgaris, Johnston. X about 25 diam. 



3 a. Tenth foot. X about 25 diam. 

 3 b. Fiftieth foot. X about 25 diam. 



3 c. Posterior foot. X about 25 diam. 



3 d. Foot in front of tail. X about 25 diam. 



4. Twenty-fifth foot of Scolecolepis fuliginosus, Claparede. X about 25 diam. 



4 a. Fiftieth foot of an example from Whitby, x about 25 diam. 



4 b. Posterior foot of the same species from Luccumb Chine. X about 25 diam. 



5. Fifteenth foot of Scolecolepis cirrata, Sars. X about 25 diam. 



6. Tenth foot of Spiophanes bombyx, Claparede. X about 25 diam. 

 6 a. Fifteenth foot. X about 25 diam. 



6 b. Twenty-fifth foot. X about 25 diam. 



6 c. Posterior foot. X about 25 diam. 



6 d. Posterior foot with bifid dorsal cirrus. X oc. 2, obj. A. 



7. Portion of the body of Polydora ciliata, Johnston, with parasitic Infusorian. X 80 diam. 



8. Thirteenth foot of Pygospio elegans, Claparede. x about 40. 



9. Second foot of Sjpio filicomis, 0. Fabricius. X oc. 2, obj. A. 

 9 a. Tenth foot. X oc. 2, obj. A. 



9 b. Twenty-fifth foot, x oc. 2, obj. A. 

 9 c. Fiftieth foot, x oc. 2, obj. A. 

 10. Tail of Spio C, St. Andrews. X 50 diam. 



