14() NATURAL HISTORY OF ARCTIC AMERICA. 



Buccinum tenchrosum^ Hancock, (typical). 

 Buccinum gronlandicum, Chemn. 



* Trophon intucatus, Striim. 

 Maroarita vinbiliealifi, Brod, & Sby. 

 Margarita helicina, Fabr., vare. 

 I/itorina gronlandica, Morch. 

 A(ymasa tcstudinaUs, Liuud. 

 AeoUdia pajyillosa, Linne. 



* Dendronotus reynoldaii, Coiitbouy. 

 Mya truncataj Linn6. 



* Glycimeris Kurriana, Dkr. On mud f.ats. 

 iSaxicava arctica, Linne. 



*Astarte horealis, Gray; attached to kelp. 



* Tnrtonia minuta, Fabr.; in nest of Modiolaria. 

 Modiolaria Iccvigata, Gray. 



Modiolaria discors, Linne. 



Modiolaria {Crcnclla)faba, Fabr. 



Chiton {Tonicella) marmo7'ea, Fabr. 



i:hynchonclla psittacea, Fischer ; dead broken valves, apparently dis- 

 ;;or;^ed by some bird, were found on the hills at a considerable distance 

 iri)::i the sea. They are evidently not fossil, and arc probably to be 

 found living in suitable places at low-water mark. 



XOVKMBER '26, 1378. 



