202 Prof. C. Mobius on the Afolhisca ct'c. of the 



7. Travisia Forhesiij Jolmst. Length 40 millims., thickness 

 6 millims. in the middle. 



Sabine Island. 



Distr. West Greenland, Spitzbergen to the Western 

 Baltic, Scotland. 



8. Scolihregma inflatuniy Rathke. Length 50 millims. 



Distr. Cattegat to Spitzbergen, Scotland, West Green- 

 land ; 5-280 fathoms. 



9. Thelepus circinatus^ Fab. 



Sabine Island, 20 fathoms. 



Distr. Mediterranean, Britain, Cattegat to Finmark, 

 Iceland, Spitzbergen, West Greenland. 



10. Protula media^ Stimps. 



Sabine Island, 20 fathoms. (Prof. Mobius gives a descrip- 

 tion and figures of this species.) 

 Distr. Grand Manan (45° N. lat.). 



11. Sei-pula spirorhis^ Miill. Diameter 3 millims. 



Shannon Island. 



Distr. West Greenland, North Sea, Baltic. 



12. Chione infundihuliformis^ Kroy. 



Sabine Island, 2^ fathoms. 



Distr. Finmark, Spitzbergen, West Greenland ; 15-40 

 fathoms. 



Gephtrea. 

 Priapulus caudatuSj Lamk. 



TUKBELLARIA. 



Polystemma roseum, Miill. Length 50-53, breadth 8, height 

 4 millims. (in spirit). 



Clavering Straits, 15 fathoms. 



Distr. Norway, the Sound, Western Baltic. 



Nematodes. 

 Ascaris mystax^ Bud. (From the intestine of Canis lagopus.) 



Cestodes. 



1. Tetrahothrium anthocephalum, Bud. (From tlie intestine 

 of Cystophora cristata.) 



2. Tcenia expansa^ Bud. (From the intestine of Ovibos 

 moschatus.) 



3. Taenia coenuruSy Kiich. (From the intestine of Canis 

 lagopus ; described.) 



