394 
SrrPLEMENT. 
owing to the test covering them, and the specimen available at the 
time when I drew up my description is in a very worn condition. 
The new specimens, on the other hand, show all the characters of 
the sutures, which are well seen on one of the specimens (Xo. C. 
3429) in places where the test has been accidentally broken off. 
Instead of forming a “ shallow sinus on the sides of the shell,” &c., 
the sutures on leaving the umbilicus form a narrow, forwardly- 
directed, tongue-like lobe, then a wide, backwardly-directed sinus, 
and finally arching forward again they pass over the narrow, some- 
what flattened periphery, on wdiich they make a very slight, back- 
wardly-directed sinus. This conformation of the suture-line being 
distinctly characteristic of Ihrcorjlossa, I beg now to be permitted 
to place the present species in that subgenus. 
Horizon. Zone of Trachyceras Aonokles \ Karnische Stufe, Alpine 
Trias. 
Localities. Feuerkogel, near Aussee, llaschberg, near Goisern, 
Upper Austria. 
Well represented in the Collection (Xos. C. 3426-3430). 
Genus NAUTILUS. 
[See svprti, p. 179.] 
Nautilus Saussureanus ?, Tictet. 
1847. Nautilus Saussureanus, Pictet, in Pictet Sc lloux, Moll. Foss, 
des Gres Verts des Environs de Geneve, p. 17, pi. i. ft'. 3, a-c. 
1858. Nautilus Saussureanus, Ooster, Cat. des C^phalopodes Fossiles 
des Alpes Suisses, iii. p. 12. 
A fragment (Xo. 62471) consisting of portions of three chambers 
is referred Avith some doubt to Pictet’s sx)ecies, owing to its bad 
state of j)reserA*ation. A label accomj)anies the sx3ccimen, bearing 
the name of the spiccies, and its formation and locality, viz., Gres 
Vert ; Saxonet, near Bonneville, Savoy. 
Nautilus Molcattamensis, Foord. 
[See supra, p. 329.] 
A figure of this species is here appended by which its characters 
may be more easily recognized. The figure should have accom- 
panied the description {supra, p. 329). The same observations 
apply to Nautilus (Hercoglossa) ^gyptiacus, figured below. 
