XAniLID^. 
i31 
Endolobus, but one meets with nothing in the Trias to connect 
these widely separated forms. 
Horizon. Inferior Oolite. 
Localities. British. Burton-Bradstock, Halfway House, Bridport, 
Dorsetshire. — Foreign. Bayeux, St. Vigor (Calvados), France. 
Well represented in the Collection, which includes (“ Sowerby 
CoU.”) Sowerby’s type, figured in the ‘ Mineral Conchology.’ 
Nautilus Smithi, Foord and G. C. Crick. 
1800. Sautilus Smithi, Foord and G. C, Crick, Aim. & Mag. Nat. Hist, 
ser. 6, vol. v. p. 287, f. 10. 
Fig. 53. 
Nautilus Smithi. — a, lateral view; h, front view, showing the ornaments of the 
young shell and also the position of the siphuncle. Drawn from a speci- 
men in the British Museum (No. C. 747). About two thirds natural size. 
Char. “ Shell infiated, rapidly increasing, slightly compressed 
on the sides, broadly rounded on the periphery. Whorls much 
wider than high, widest in the region of the umbilicus. The latter 
is small, with a subangular margin and steeply sloping sides. The 
septa are rather distant from each other on the periphery, being 
half an inch apart where the height of the whorl is 1| inches. 
The sutures are but slightly curved on the sides and form a very 
shallow sinus on the periphery. The siphuncle is slightly above the 
centre. The test is ornamented with fine lines of growth, which 
tend to gather into obscure folds and form a deep sinus on the peri- 
