BRITISH DEVONIAN BRACHlOPODA. 55 



towards its aiiricnlate cardinal extremities ; beak much incurved ; dorsal valve not known. 

 Surface of ventral valve ornamented with about twenty simple rounded ribs, crossed by 

 numerous coarse, prominent, equidistant, concentric ridges. 

 Length 4^, breadth 5 lines. 

 Obs. — Of this remarkably ornate species Mr. Whidborne found a very few examples 

 in the Middle-Devonian Limestone at Lummaton, near Torquay. Unfortunately only 

 the ventral valve could be seen, the dorsal one remaining embedded in the coarse 

 limestone that surrounded the shell. No spines could be detected. On account of its 

 shape this is provisionally put with Chonetes, which it resembles. The coarse con- 

 centric ridges give to the shell a beautifully sculptured appearance. It is with much 

 pleasure that I name it in remembrance of my much-esteemed old friend Prof. John 

 Phillips, P.R.S., who did so much good work among the fossils from the neighbourhood 

 of Torquay. 



55. Chonetes convoluta, Phil., sp. Dav., Dev. Mon., PI. XIX, fig. 9 (not C. 



Ilardrensisy Phil.). 



LEPTyENA CONVOLUTA, Phillips. Figures and Descriptions of Palaeozoic Fossils of 

 Cornwall, Devon, &c., p. 57, pi. 24, fig. 96, 1841. 



At page 94 I described this shell as a form of Chonetes Hardrensis, but since 

 then Mr. Whidborne has found several examples in the Middle Devonian at 

 Lummaton, which agree so nearly with Phillips's description and figure that it may, 

 perhaps, be desirable to keep the two forms separate. The shell is semicircular, with a 

 long hinge-line, the wings or cardinal extremities projecting laterally into two rather 

 pointed " cones ;'' and the umbo does not project above the hinge-line. The ribs number 

 about twenty in number, most of them simple, a few only bifurcating. 



Genus — Lingula, Bruguiere, 1792. 



56. Lingula squamiformis, Phillips? Dav., Dev. Mon., PL XX, figs. 11, 12. 



Subsequent to the publication of my description of this species at p. 105 of my 

 ' Devonian Monograph,' Mr. Townsend M. Hall published in the 23rd vol. of the ' Quart. 

 Journal of the Geological Society,' p. 371, 1867, a paper " On the Relative Distribution 

 of Fossils throughout the North-Devon Series," in which he gives a list of the 



