ANN a LATA. 
Verm. 13 
S. flaccida — S. arnica , Quatrf. ; S. cerina is a young Elder sia cornuta. 
S. umbricolor = S. gracilis , S. ergthropsis — S. aurantiaca, and S. nigres- 
cens — S. nigricirris, Grube. 
Odontosyllis arenicolor = 0. ctenostoma. 
Hansen (44) describes as new : — 
Polynoe asp era, islandica, arctica, assimilis, spinulosa , foraminifera, 
glaberrima. 
Phyllodoce arctica. 
Nephthys atlantica. 
Typlilonereis gracilis , g. & sp. nn. 
Onuphis hyperborca. 
Scalibregma (?) abyssorum , parvum. 
A mmotrypane cylindricaudatus. 
Sphcerodorum abyssorum. 
Trophonia hirsuta , borealis , rugosa, arctica. 
Brada granulosa. 
Cirratulus abyssorum , C. (?) abranchiatus. 
Clymene Jcoreni. 
Myriochele sarsi , danielsseni. 
Potamilla malmgreni. 
Protula arctica. 
Spinther arcticus. 
In the accompanying lists the known forms found are mentioned, and 
it was seen that but few families of Annelids are not represented in 
the frigid area, while most of them are to bo found also in parts of the 
temperate area. 
Hansen (44a) describes as new : — 
Eurytlioe brasiliensis. 
Psammolyce ldnbergi. 
Macrophyllum benedeni. 
Hesione margaritae. 
Syllis brevicirris. 
Eunice parva. 
Nauphanta brasiliensis. 
Nicidiva incerta. 
Nausicaa minima. 
Arabella dubia. 
Diopatra brasiliensis , variegata. 
Onuphis tenuis. 
Nereis gracilis , lata , ccerulea , glasiovi, minor , aculeata , microphthalma , 
macrocephala , ferox , scolopendroides. 
Phyllonereis (g. n.) benedeni. 
Oplielina brasiliensis , ldnbergi. 
Cirratulus danielsseni. 
Glycera edentata , incerta. 
A ricia formosa , armata. 
Ammochares brasiliensis. 
Sabellaria bellis. 
