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| Keywords: The Quarterly journal of the Geological Society of London (13889201299).jpg PEOF L C MIALL ON A MEGALICHTHTS <br> 351 <br> Between the ventral fins are three larjs e scales one median and <br> two lateral which may be called the pelvic scales fig 4 p ' p' <br> On the left side of the median scale and of the middle line of the <br> body lies what I take to be the anns distended with fossil faeces <br> It is qnite plain that the anus does not lie immediately in front of <br> the anal fin as in Lepidosteus and other recent Ganoids but is <br> associated with the pelvis and ventral fins in a manner not uncommon <br> with Teleostei ; in some of which indeed the anus follows the <br> ventral fins even when they are shifted to a thoracic or jugular <br> position <br> The anal fin has also its pair of large basal scales fig 6 h h Of <br> the caudal fin but little can be made out and it is uncertain <br> Pig 6 - <br> - Anal fin of Megalichthys Hibberti the very convex surface <br> represented as plane One half natural size <br> <br> h h Basal scales <br> whether as in Osteolepis and Diploptcrus fin-rays proceeded from <br> the upper as well as from the lower surface <br> There are indications of the underlying skeleton behind the skull <br> and in the neighbourhood of the paired fins ; what seems to be the <br> Since this paper was sent in Dr Traquair has described and figured the <br> tail of Megalichthys roc 'R Phys Soc Edin vol viii and Geol Mag March <br> 1884 It may be said to be somewhat intermediate between the diphycercal <br> and heterocercal types ; at least it is not quite so heterocercal as that of Osteo- <br> lepis and in general form reminds us of that of Tristichopterus Rays arise <br> from both the upper and lower margins of the body-continuation but those of <br> the lower side commence in advance of those of the upper <br> 2b2 36941160 113697 51125 Page 351 Text 40 http //www biodiversitylibrary org/page/36941160 1884 Geological Society of London NameFound Diploptcrus NameFound Lepidosteus NameConfirmed Lepidosteus EOLID 4614616 NameBankID 177403 NameFound Megalichthys NameConfirmed Megalichthys EOLID 4654673 NameBankID 4234587 NameFound Megalichthys roc NameFound Osteolepis NameConfirmed Osteolepis EOLID 13230688 NameBankID 4271975 NameFound Teleostei NameConfirmed Teleostei EOLID 2775808 NameBankID 552419 NameFound Tristichopterus NameConfirmed Tristichopterus EOLID 13307269 NameBankID 4378111 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 40 1884 Geology Periodicals Smithsonian Libraries bhl page 36941160 dc identifier http //biodiversitylibrary org/page/36941160 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-30 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13889201299 2015-08-26 05 53 45 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1884 Photos uploaded from Flickr by Fæ using a script | ||||
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