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| Keywords: The Quarterly journal of the Geological Society of London (12646157754).jpg SALTEK PELTOCARIS <br> 89 <br> short space across the vertical lines on the general surface just as <br> these are continued also faintly towards the margin The vertical <br> lines though more distant than the marginal ones are still very <br> close together ” eight or nine of them at least in the space of pg-th of <br> an inch They are not so regular as they appear to be at first sight <br> Most of them after proceeding a short distance turn obliquely and <br> abruptly forwards or else are crossed by short oblique striations to <br> join the next vertical line which is generally but not always obli- <br> terated above the point of junction as at a Very rarely these <br> oblique lines cross the space of two vertical lines 6 ; and as they <br> are all strictly in the same direction they give the appearance of a <br> third set of parallel stria ruled across the other two <br> Fig 2 ” Peltocaris HarTcnessi A natural size B enlarged <br> The faint transverse lines above mentioned are I believe due to <br> mineralization only ; but three sets of lines are certainly present viz <br> the strong vertical ones the oblique close marginal striae and lastly <br> the short oblique lines in the opposite direction to those last mentioned <br> I do not remember such a complication of lines on the surface of any <br> other carapace Peltocaris aptychoidesis so small and smooth that <br> there is no opportunity of judging whether it may be the young state of <br> this larger species Its nearly uniform size in the half-dozen speci- <br> mens I have seen would seem to be in favour of its being distinct <br> Locality Anthracite-beds Llandeilo-flags Dumfriesshire Pro- <br> fessor Harkness's collection <br> And now a word or two regarding the affinities of this curious <br> Crustacean <br> Before the structure of Ceratiocaris was known of which genus a <br> reduced figure is here given fig 6 the rostral portion of Peltocaris <br> could not have been understood But a reference to the accom- <br> panying series of woodcuts will show that a tolerably broad rostrum <br> placed in the same relative position occurs in Ceratiocarisf In the <br> recent Nebalia fig 12 it is fixed ; and in Dithyrocaris fig 8 and <br> The margin of Argas testudineus fig 9 is striated but in the same direction <br> as the transverse lines on the rest of the shield <br> f More complete figures are giyen in the Ann Mag Nat Hist for March <br> 1860 p 154 35328048 109632 51125 Page 89 Text v 19 http //www biodiversitylibrary org/page/35328048 1863 Geological Society of London NameFound Argas testudineus NameConfirmed Anabas testudineus EOLID 222264 NameBankID 3855223 NameFound Ceratiocaris NameConfirmed Ceratiocaris EOLID 4291597 NameBankID 4108201 NameFound Dithyrocaris NameConfirmed Dithyrocaris NameBankID 4147125 NameFound Nebalia NameConfirmed Nebalia EOLID 14267 NameBankID 522277 NameFound Peltocaris NameConfirmed Peltocaris NameBankID 4287426 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 19 1863 Geology Periodicals Smithsonian Libraries bhl page 35328048 dc identifier http //biodiversitylibrary org/page/35328048 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-20 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12646157754 2015-08-27 11 52 33 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1863 Photos uploaded from Flickr by Fæ using a script | ||||
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