BOMAL PROrtXCE. 



61 



*Cieneila cigra. 



* _, discors, L. 



* „ decussata (glandula, Tot.) 

 Pecten Islandicus. 



? Ostrea edulis (borealis, Lam. ?) 

 *Anomia epliippium. 

 » „ aculeata. 

 „ squamula? 



•Terebratuliiia caput-scrpentis. 

 *Rhynclionella psittacea. 



»Dendronotns arborescens. 



Polycera Lessonii ? 

 ? Amphi:*pliyra hyalina (debilis ' ) 



Cylichna alba (triticea, C.) 

 • „ obtusa (pertenuis). 

 *Philine quadrata (formosa, St.) 



* Chiton cinereus. 



» „ mannoreus. 



* „ ruber. 



* „ laevis. 



* „ asellus. 



* „ albus. 

 *Dentalium (entale, L.?) 

 ?Lepeta caeca (Candida, C.) 

 *Acm3ea testudinalis (amoena, S.) 

 *Pimctm"ella Xoachina. 



*Adeoi-bis divisu3 (= Skeneaserpuloides). 

 Margarita cinerea. 



* „ costulata? (Skenea). 

 » „ helicina. 



*Margarita undulata. 



* „ alabostriun (= occidentaliaP) 

 Li*torLna groenlandica. 



* „ tenebrosa (vestita). 

 „ palliata? 



*Lacuna \-incta (divaricata). 

 » „ puteolus (Montagui). 

 *Skenea planorbis. 

 *Velutina laevigata. 



,, zonata. 

 *Lamellaria perspicua. 

 *Natica helicoides. 

 ,, clausa. 



* „ pusilla. 

 *Scalaria groenlandica. 



(lanthina communis). 



Odostomia producta. 



Cancellaria (admete) \-iridula. 

 *Trichotropi3 borealis. 

 *Fusus antiquus (tomatus). 



* „ islardicus. 



* „ propinquus. 

 „ ? rosaceus. 



*Troplion muricatua. 



* „ clathratus. 



„ scalariformis. 



„ harpularius. 

 *Purpura lapillus. 

 *Buccinum undatimi. 



* „ (Oominella) DaleL 

 *Bela tuj-ricula. 



* ,, Tr^veiyana. 



* „ rufa(Vahlii)? 



* Ommastrcplies sagittatus is also commoii to both, sides of the 

 North Atlantic. The genera, 



Uacluera, Glycimeris, Cardita, and 



Solemya, Mesodesma {dcauratuni) , Crepidula, 



are peculiar to th.e American side of the Boreal Province. 



Several other species now living on the coast of the U. States 

 occur fossil in England : e. g. Trophon cinereus, Say., is believed 

 to be the Fusus Forbesi, Strickland, of the Isle of Man ; others 

 are marked in the Arctic list. 



III. Celtic Province. 



The Celtic province, as described by Prof. E. Eorbes, includes 

 the British island coasts, Denmark, Southern Sweden, and the 

 Baltic* The fauna of this region (wbich. includes the principal 



* The great -work of Messrs. Forbes and Hanley is the standard text book on 

 British T?itacea A. new -work on British MoUusca is now being prepared by iiar. »v 



