Forklaring af Figiu'erue. 



Tab. I. Fig. 1. Spmther ardicits fra Rygfladen. noget 

 forstørret. 



Do. do., Forenden underfra med ud- 

 krænget Snabel. 



Do. do. af et Tværsnit af Kroppen. 

 Do. db.; den sammensatte Børste i den 

 ventrale Fodknude. 

 Do. do.: to dorsale Bøi'ster. 

 Poll/noe spinulosa, n. sp.; Forenden. 

 Do. do.; en Fodknude. 

 Do. do.; en Elyti-e. 



Do. do.; de tre store Kmider ved Ely- 

 treus bagre Rand. 

 Do. do.; Børster. 

 Pohjnoe foraminifera, n. sp.; Forenden. 



2. 



3. 



4. 



5. 



6. 



7. 

 8. 



y. 



10. 



11. 



— 12. Do. do.; en Fodknude. 



— 12a. Do. do.; Børster. 



— 13. Do. do.; en Elytre. 



— 14. Do. do.; Foraminiferer fra Elytren. 



— 15. Polynoe isJandica; naturlig Størrelse. 



— 16. Do. do.; Hovedet. 



— 17. Do. do.; en Elytre. 



— 18. Do. do.; et Stykke af Elytrens bagre 



Eand, stærkere forstørret. 



— 20. Polynoe islandica; dorsal Børste. 



— 21. Do. do.; ventral Børste. 



— 22. Polynoe assimilis; Forenden. 



— 23. Do. do.; en Fodknude. 



— 24. Do. do.; en Elytre. 



— 25. Do. do.; en liaard Knude paa Elytren. 



— 26. Do. do.; Børster. 

 Tab. II. Fig. 1. Polynoe glohifem. 



— 2. Do. do. 



— 3. Do. do.; en Fodknude. 



— 4. Do. do.; en dorsal Børste. 



— 5. Do. do.; en ventral Børste. 



— 6. Do. do.; en Elytre. 



De 11 iiorske Nordhavsexpedition. G. A. Hftiisen : Annelida. 



Explanation of the Plates. 



Pl. I. fig. 1. 



— 2. 



— 3. 



— 4. 



— 5. 



— 6. 



— 7. 



— 8. 



— 9. 



— 10. 

 ,— 11. 



— 12. 



— 12a. 



— 13. 



— 14. 



— 15. 



— 16. 



— 17. 



— 18. 



— 20. 



— 21. 



— 22. 



— 23. 



— 24. 



— 25. 



— 'lij. 

 PI. II. tig. 1. 



— 2. 



— 3. 



— 4. 



— 5. 



— 6. 



Sjjinfhei" ardicus; dorsal aspect, slightly 



magnified. 



S. ardicus: anterior extremity, with ex- 



serted proboscis, seen from below. 



S. ardicus; transverse section of the body. 



S. ardicus; the comjjound arrangement of 



bristles in the ventral pedal protuberance. 



S. ardiciis; two dorsal bristles. 



Polynoe spimdosa, n. sp. : anterior extremity. 



P. spii)iulosa ; an anterior protuberance. 



— an elytre. 



— the three large protuberances 

 on the posterior margin of the elytre. 



P. spinulosa; bristles. 

 Polynoe foraminifera. n. sp.; anterior ex- 

 tremity. 



P. foraminifera; a pedal protuberance. 

 — • bristles. 



— an elytre. 



— Foraminifera from the 

 elytre. 



Polynoe islandica; natural size. 



— tlie head. 



— an elytre. 



— a piece of the back 

 margin of the elytre, magnified. 

 Polynoe islandica; dorsal bristle. 



— ventral bristle. 



P. assimilis; anterior extremity. 



— a pedal protuberance. 



— an elytre. 



— a liard protuberance on the 

 elytre. 



P. assimilis; bristles. 

 Polynoe ylobifera. 

 P. ylobifera. 



— a pedal protuberance. 



— a dorsal bristle. 



— a ventral bristle. 



— an elytre. 



