440 M. E. Riganx — the Brachiopoda of the Boulonnais. 



Carly, but is more abundant in the Supraeoralline Oolite of 



Hesdin I'Abbe. 

 BhyncJionella pectunculoides, Et. Tbis species goes up into tbe Coral 



Eag ; Carly. 

 BhyncJionella pinguis, Eom. Tliis species is found in tbe Coral Eag, 



Carly, and in tbe Supraeoralline Oolite ; Hesdin I'Abbe. 

 Bhjnclionella ineonstans, Sow. Very scarce, I have found it only in 



tbe Gres de Questrecques, tbe bigbest Supraeoralline bed. 

 Tliecidium ornatum, Moore. Mr. Davidson first found tbis species 



on a Ter. humeralis from tbe Carly Coral Eag, and since I bave 



obtained some otber specimens, but it is ratber scarce. 



KlMMERIDGE ClAT. 



Lingula ovalis, Sow. Tbis species was discovered by Mr. J. E. H. 



Peyton, F.Gr.S., near tbe base of tbe sbales in tbe cliffs of 



Boulogne ; ^ it is very common. I bave also found in tbe Portland 



sbales remains of a Lingula wbicb belong probably to tbe same 



species. 

 Terebrahda suhsella, Leym. Is ratber common in tbe lower part of 



tbe Kimmeridge. Cliffs of Moulin Wibert, Cbatillon. 

 Waldheimia humeralis, Eom. I refer with doubt to tbis species, 



some small smootb Terebratidie found by Mr. Beaugrand in tbe 



Lower Kimmeridge beds ; Moulin Wibert. 

 Bhynchonella pinguis, Eom. Very scarce ; two or tbree specimens 



bave been found in tbe lowest beds in tbe cliff of Moulin Wibert. 



PORTLANDIAN. 



Discina latissima, Sow. I bave found good specimens of tbis species 



in tbe sbales tbat overlie tbe grits witb A. gigas in the cliffs at La 



Creche and Le Portel ; it is ratber common. 

 Waldheimia Boloniensis, E. S. 

 Waldheimia humeralis, Eom. 

 Bhynchonella suhvariabilis, Dav. These three very scarce species are 



found in the Middle Portland beds witb Ostrea expansa ; Tour 



Croy, Alpreck. 



Lower Geeensand. 

 Waldheimia pseudojurensis, Leym. 

 Bhynchonella Gihbsiana, Sow. These two very scarce species bave 



been found by Mr. Bouchard in the' sands under tbe Gault witb 



Amm. mammillaris ; Locquingbem. 



Gatjlt. 

 Terebratula frcelonga, Sow. Occurs in the phospbatic bed under 



the Gault ; Fiennes, Lottinghem. 

 Bhynchonella Gibbsiana, Sow. In phospbatic nodules, Fiennes. 

 Bhynchonella lineolata, Phill. I bave some internal casts from 



Fiennes which seem to belong to this species. 



Chalk Makl. 

 Magas Geinitzii, Schl. This species has been found by Mr. Barrels 

 at Licques and at Blanez. 



1 See Geol. Mag., 1873, Vol. X. p. 574, with a woodcut figure. 



