198 NATURAL SCIENCE [September 
his, not that of Mr Barrois, who only says “un assez grand nombre 
despéces cénomaniennes” (a considerable number of Cenomanian 
species). I do not understand how Mr Dollfus arrives at the 70 
unless he brought the fossils of the Sarthe into account. This, I 
contend, should not be done; those only should be marked which 
occur above the Gaize in the east of France; 7.e. those recorded by 
Mr Barrois in his “ Terrain Crétacé des Ardennes,” in the beds which 
lie between the Gaize and the Turonian. I have done this and find 
that only +8 range upward. The numbers 51 and 48 are so near 
that it is clear the Gaize de l’Argonne will not decide the question. 
We come next to the Upper Gault of Wissant, as to which 
Mr Dollfus says that d’Orbigny was wrong in referring it to the 
Albian. I cannot find that any French geologist has published a list 
of the fauna of the Upper Gault at Wissant. Mr Barrois tells me 
that he does not know of any such list, and in classing the upper 
part of the Wissant clay as Cenomanian, he seems to have relied on 
the proofs of its correspondence with the Gaize de Argonne, and on 
the greater extension or overlap of the zone of 4. inflatus. 
A list of the Wissant fauna has, however, been published in Eng- 
land by Mr F. G. H. Price, who sent the fossil-collector, J. Griffiths 
of Folkestone, over to Wissant for the express purpose of collecting 
separately from the Lower and Upper Gault of that place. The 
results were embodied in a small treatise on the Gault published by 
him in 1879, but the Wissant lists have never been printed separ- 
ately. In this connection it will be useful to give a list of the 
fossils found by Griffiths in the Upper Gault of Wissant, indicating 
at the same time how many occur also in the Lower Gault of that 
place and how many range up into the beds above. 
LOWER GAULT. | CENOMANIAN. 
Ammonites auritus, Sow. axe 
5 cristatus, de Lue. 
& delaruet, V’Orb. < 
‘5 latidorsatus, Mich. x 
s lautus, Sow. x 
7 mantelli (?) Sow. x 
55 rostratus, Sow (inflatus). 
2 splendens, Sow. x 
as tuberculatus, Sow. x 
- varicosus, Sow. 
Ancyloceras spinigerum. x 
Belemmites minimus, List. i 
Hamites flecuosus, d’Orb. x 
» elegans, d’Orb. x 
»  w~ntermedius, Sow. x 
»  virgulatus, VOrb. 
Nautilus clementinus, @Orb. x 
Aporrhais parkinsoni, Mant. xX 
Dentalium decussatum, Sow. x 
x 
x 
Scala dupiniana, d’Orb. 
Solarium conoideum, Sow. 
