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| Keywords: The Quarterly journal of the Geological Society of London (13935590811).jpg 486 PROCEEDINGS OF THE GEOLOGICAL SOCIETY May 9 <br> Along the lines of these newer faults the most important of the <br> English lakes occur ; and they give to the Lake-country its bolder <br> features <br> Some lakes however such as Hawswater and Wastwater which <br> have a north-east and south-west course occupy valleys which <br> appertain to the older system of faults In the case of UUswater <br> we have a more complex outline than usually belongs to the lakes <br> of the north of England The first and lowest reach of the lake has <br> a north-east and south-west direction At the south-west end of <br> this reach Hallan Crag presents a bold front which results in part <br> from a fault running north and south and crossing UUswater from <br> the valley near Howtown The middle reach of the lake commences <br> on the west side of the north and south fault ; it also has a nearly <br> north-east and south-west direction and terminates abruptly near the <br> north-western spur of Place Eell the middle reach seems also to <br> occupy a valley produced by a fault belonging to the older system <br> The upper reach runs nearly north and south It occurs in a <br> valley produced by one of the newer faults which crossing Eirkstone <br> Pass continues southward through Trout Beck ; and it is to one or the <br> other of these two systems of faults or to their combined influence <br> that the beauty of the Lake-country chiefly owes its origin <br> Note on Two new Species of Trilobites <br> By J W Salter Esq E G S <br> 1 Phacops Nicholsoni spec nov Figs c d <br> There is too little of this species to enable me to give a proper <br> diagnosis It is evidently a species of the subgenus Acaste and not <br> distantly allied to P Brongniartii <br> a fossil from the Caradoc or Bala <br> rocks of Tyrone I have two spe- <br> cimens ” one found by Professor <br> Harkness from which the figure is <br> taken; another smaller is in the <br> cabinet of Mr H Wyatt Edgell <br> Each shows something the other <br> does not possess and I shall de- <br> scribe them together as the figure is a sketch made up from both <br> specimens <br> The whole form is broadly oval much depressed about half an inch <br> wide and about 1 inch long ; the head is semicircular rather pointed <br> in front three-tenths of an inch long and more than half an inch <br> wide <br> The glabella is trapezoidal the sides are nearly straight and widely <br> diverging from the base which is only half as wide as the forehead- <br> lobe This is transverse diamond-shaped bluntly pointed and <br> angular in front and divided from the three lateral lobes by a slightly <br> sigmoid furrow not deep as in A Brongniartii the kindred species 36164935 111477 51125 Page 486 Text v 22 http //www biodiversitylibrary org/page/36164935 1866 Geological Society of London NameFound Acaste NameConfirmed Acaste EOLID 4322827 NameBankID 2875674 NameFound Phacops NameConfirmed Phacops EOLID 4322195 NameBankID 2875665 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 22 1866 Geology Periodicals Smithsonian Libraries bhl page 36164935 dc identifier http //biodiversitylibrary org/page/36164935 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-21 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13935590811 2015-08-26 06 57 27 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1866 Photos uploaded from Flickr by Fæ using a script | ||||
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