222 



Cephalopoda 

 Obtained in the Calcareous Gh'it of Yorhshire, 

 Belemnites hastatus, de Blain. Ammonites perarmatus, Sow, 



II abbreviatus, Mil. 



Nautilus bexagonus, Sow. 

 Ammonites Williamsoni, Phil. 



(syn.) Arduennensis, d'Orh. 

 Vemoni, Phil, 

 Bakeri, Sow. 

 convolutus ornati, Querist. 



II parabolis, « 



Goliatbus, d'Orh. 



II var. 



atbleta, Phil. 

 cordatus, Sow. 



II V. excavatus, Sw. 

 •I V. vertebralis « 

 " V. Scarburgensis, 

 [T. and B. 

 canalicidatus, Munst. 



Ammonites Solaris, p. 4, Fig. 29, PJdllips^ Geo. of Yorkshire, 

 must have found its way into the collection of the Scarborough 

 Philosophical Society by accident. It is from the Lower Lias 

 of the south of England, and may still be seen in the Society's 

 Museum. 



Am. Williamsoni, Phil., = Am. Arduennensis, d'Orb., is found 

 from 1 inch to 16 inches in diameter, and the same observation 

 apphes to Am. cordatus, Sow. 



List op Molltjsca in the Cokal Eeeps. 

 Gasteropoda. 



Turbo funiculatus, Phil. 

 Trocbotoma temata, Phil. 

 Littorina muricata, Sow. 

 Pbasianella striata, Sow. 

 Natica Clymenia, d'Orb. 

 Kerita laevigata, Sotu. 



Nerita bellulata. Bean, 

 Neritopsis Guerrei, Desl. 

 Ceritbium limaeformis, Roem, 

 Neiinaea fasciata, Voltz. 



II fusiformis, d'Ori, 

 Trocbus tomatilis, Phil, 



CONCHIFEKA. 



Exogyra mima, Phil. 

 Placunopsis insequalis, Phil. 

 Pecten vagans, v. sub-fibrosus, Soiv. 

 Myoconcba texta, Buvig, 

 Modiola Lycetti, Whit. 

 II inclusa, Phil. 



Area quadrisulcata. Sow. 



II semula, Phil. 

 Cucullsea pectinata, Phil. 

 Astarte rbomboidalis, Phil. 

 Sowerbia triangularis, Phil. 

 Gastrocbsena Moreana, Buvig. 



The beds of clay, with Echinidse forming the Zone of Cidaris 

 florigemma occur at Calne and Lynham, Wilts, and at one 



