REPORT ON THE GEPHYREA. 



(b) Proboscis with four retractors. Hooks absent. 



9. Phascolosoma capense, Teuscher. 



(c) Proboscis with two retractors. Hooks absent. 



10. Phascolosoma prioki, Sluiter. 



11. Phascolosoma catharincB, Fritz Mliller. 



12. Phascolosoma jiagr if erum, n. .sp. 



Genus 6. Dendrostoma, Grube. 



13. Dendrostoma hlandum, Selenka and de Man. 



Genus 7. Phascolion, Theel (Selenka and de Man). 



14. Phascolion sqiiamatum, Koren and Danielssen. 



15. Phascolion Intense, n. sp. 



16. Phascolion tubicola, Verrill. 



17. Phascolion hotulus, n. sp. 



18. Phascolion stromhi (Montagu). 



Genus 8. Aspidosiphon, Grube. 



19. Aspidosiphon specidator, n. sp. 



20. Aspidosiphon truncatus, Keferstein. 



Genus 9. Phymosoma, Quatrefages (Selenka and de Man). 



21. Phymosoma japonicum, Grube. 



22. Phymosoma scolops, Selenka and de Man. 



Genus 10. Sipunculus, Linne. 



23. Sipunculus nudus, Linne. 



O. Appendix. 



Genus 11. Chcetoderma, Loven. 



24. Chcetoderma militare, n. sp. 



