PLATE XXIX.
P ig .
1. Head of Sthenelais boa, Johnst. Enlarged.
2. Head of Sthenelais atlantica, Mcl. Enlarged.
8. Head of Sthenelais limicola, Ehlers. Enlarged.
4. Head of Sthenelais Jeffreysii, Mcl. Enlarged.
5. Head of Eusthenelais hibernica, Mcl. Enlarged.
6. Head of Sigalion Mathilda, Aud. and Ed. Enlarged.
7. Head of Sigalion Bushii, Mcl. Enlarged.
8. Head of Pholo'e minuta, Fabr. Enlarged.
9. Anterior foot (about twelfth) of Lagisca extenuata, Grube. X 24.
10. Anterior foot of Lagisca floccosa, Say. ( = propinqua, Mgm.). X 24.
11. Twelfth foot of Lagisca Elisabeths, Mcl. X 40.
12. Tenth foot of Harmothoe spinifera, Ehlers. x 24.
13. Anterior foot of Harmothoe Ljungmani, Mgrn. X 28.
14. Anterior foot of Harmothoe antilopis, Mcl. X 24.
15. Anterior foot of Harmothoe Fraser-Thomsoni. X 26.
16. Anterior foot of Harmothoe marphyss, Mcl. X 40.
17. Anterior foot of a large example of Polynoe scolopendri/na, Sav., from North
Uist. X 15.
