Order. Foraminifera.* 



Fam. Helicostegea. 



ly. Polystomella, Lam. 

 1. crispa. 



Polystomella crispa, Lam. — Nautilus crispus, 

 Lin. Mont. Flem. — Vorticialis crispa, 

 Blainv. 

 Among sand in Douglas Bay, common. 



V. Rotalia, Lam. 



1. Beccarii. 



Rotalia Beccarii, Zam.— R. communis, 

 D'Orhig. 



a. R. Beccarii, Lam. Flem. Nautilus 

 Beccarii, Mont. 



/3. R. Beccarii-per versus, Flem. (Nauti- 

 lus) Mont. 

 With the last. Both forms not rare. 



VI. Discorbis, Lam. 

 1. vesicularis. 



Discorbis vesicularis, Lam. — Lobatula vul- 

 garis, Flem. — Serpula lobata, Mont. 

 On shells and fuci, very common. 



• Though the analogy between the shells of this order and the 

 Nautili is very great, there can be little doubt that there is but 

 small aflSnity between the animals, yet, for the present it is con- 

 venient to retain them in the class Cephalopoda until more is 

 known on the subject. (See Desjardins, Ann. des Sc. Nat. 1835.) 



