154 SPECIES OF THE SYSTEMA. 
aculeorum brevissimorum,” is far better suited to Argo proper 
than to either of its rivals. An example of that species 
(Sowerby, Genera Shells, Argonauta) is still preserved in the 
Linnean cabinet. 
Argonwauta cynrbtunt, 
Linneus did not possess this tiny species, which may be re- 
garded as pictorially defined by the figure of Gualtier. ‘ Mart. 
Syst. t. 18, f. 161, 162,” has been added by our author in his 
revised copy of the ‘Systema; Martini’s drawing, however, 
was a mere copy from the cited engraving of Gualtier. The 
species has been referred to Carinaria by Lamarck, and forms 
the C. cymbiwm of his ‘ Animaux sans Vertébres.’ 
NAUTILUS: 
Since all the members of this group, except numbers 278 
and 279, belong to the Foraminifera, which are no longer 
classed with true shells (the habitations of molluscous animals), 
I shall usually content myself in this genus with a brief notice of 
the additions proposed in our author’s own revised copy of his 
‘Systema,’ and shall neither analyse, as elsewhere, the pictorial 
synonymy, nor pronounce any opinion relative to the correct- 
ness of the accepted identifications. No species, unless the 
circumstance should be here mentioned, is to be regarded as 
having been possessed by Linneus; even the few named exam- 
ples still present in his cabinet, although, probably, the original 
types, for they belong to those species only that were indicated 
as present in the list appended to the tenth edition of the 
‘Systema,’ have the names attached in a more modern and 
more legible handwriting than the very peculiar scrawl of the 
great Swedish naturalist. 
