384 M. Sårs 



lodes gaaer i Eol nifd dot Sand, dcrpaa enkelte Ströor sti- 

 ver nod fra Littoralzonen af, lever en betydelig Dcel af vört 

 Havs Acephalcr. 



Hor saavelsom i don nederste Deol af don foregaaende 

 Region forokonmie: Thracia phaseolina* (Ampsidesma) Lanik. 



— Ï. venlricosa Phil.? sjelden — T. distorta (Mya) Mont, i 

 Hulinger, ofle niolloin Laminariarödder — T. prætenuis (Mya) 

 Pult. — Psannnobia feroonsis* (Tollina) Gm. — P. vesper- 

 tina* (Solon) Gnu — P. tollinella Lamk. — Tollina lata Gm. 



— T^ tenuis* da C. — T. pygmæa Phil. — Venus slriatula 

 da C. — V. fasciala* da C. — V. ovata* Penn. — V. virago 

 Loven — Artemis exolota'-* (Vt'""^) L. — Lucina boroalis* 

 (Venus) L. — Cardium norvogicum Spengl. — Mactra sub- 

 truncata Mont. — Xylophaga dorsalis Turl. borende i gam- 

 melt Træ. 



Dybere findes: Cyprina islandica (Venus) L., paa hvis 

 Kröp, ligesom ogsaa hos Pholas crispala, hyppig trætFos den 

 store Parasit Malacobdella grossa (Hirudo) Müll. — Mactra 

 elliplica Brown — Solen pellucidus Penn. — Lyonsia nor- 

 vegica (Mya) Chomn. — Corbula gibba* (Tollina) Olivi — 

 Syndosmya nitida (Mya) Müll. — Monlacuta substriata (Ligula) 

 Mont. paa Piggene af Spalangus purpureus — Venus ovata* 

 Ponn. — V. undata Ponn. — Lucina spinifora* (Venus) MonL 



— Cardium ochinalum* L. — C. suecicum Reeve -- C. no- 

 dosum Mont. — C. pygmæum Don. sjoldon — A.xinus flox- 

 uosus* (Tollina) Mont. — Nucula nucleus (Area) L. — Leda 

 caudala Don. 



Hvor Grunden er stonig eller paa SUjælbund findos i 

 hol(^ donne Region: Cardium fascialum Moni. — Aslarto dan- 

 monionsis (Vonus) Moni. — A. scolica (Venus) Mal. & Rack. 



— A. somisulcala (Crassina) Leach — A. striata (Nicania) 

 Loach — Modiola vulgaris Flom. — Modiolaria ntarmorala* 



