10 



THE BRITISH CONULARLE. 



Table of Disteibution of British Species. 



Species. 



o 

 o 



3 

 a) 



X 



Ordovician. 



Silurian. 







O 



0) 



O cS 



to 



= 

 o 



X 



be 



'2 



1 



3 



la 



pq 



o 



3 



M 



o 

 o 



a 



X 



X 

 X 

 X 

 X 

 X 

 X 



o 



a 

 hi 



1 



2 



o 

 > 



Q 



Gonularia hornfrayi, Salt 



X 



X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 



X 



X 



X 

 X 





X 

 X 

 X 

 X 

 X 



,, llitiii'irm'Dxis, Hicks 











,, corium, Salt 





linnarssoni, Holm 



„ sp. (maraaritifera ?) 



coroiiata, n. sp 



,, sp 



,, sp 







plicata, n. sp 







,, punctata, n. sp 



,, brcviconventa, n. sp 



triangularis, n. sp 





,, crassa, n. sp 



micvoscopica , n. sp 









X 

 X 

 X 















X 



X 

 ? X 



complanata, n. sp 





















mil il 1842, the genus was generally associated with the Oephalopods, but in that year 

 the Pteropodian nature of the shell was suggested by d'Archiac and do Verneuil, 1 

 although no reasons were given for this opinion. From that time forward we 

 generally find Ooviihirin styled a " Palaeozoic Pteropod," de Koninck, Sandberger, 

 Bronn, Roemer, d'Orbigny, M'Coy, Eichwald, Barrande, and most other writers 

 adopting this view. A few authors — Portlock, Geinitz, and Dana — still retained 

 Gonularia among the Oephalopods, Dana considering it to be the shell of a Dibranch 

 Cephalopod. The question was not, however, allowed to rest for long. Opponents 

 1i> the Pteropodian theory soon appeared : Haeckel 2 considered it most improbable, 

 and Dr. M. Neumayr 3 refuted it in the strongest terms. He expressed the greatest 



1 'Trans. G-eol. Soc.,' [2], vol. vi, p. 325. 



2 E. Haeckel, ' Morphologie,' vol. ii, p. 113. 



3 M. Neumayr, " Zur Kenntniss der Fauna des untersten Lias in den Nordalpen," ' Abhandl. k. 

 k. geol. Reichsanst.,' vol. vii, pt. 5 (1874), p. 18. 



