. Nature . ocks of the Scottish Border. The resultswere published in the Transactions of the Royal Societyof Edinburgh, where several species belonging to thegenus Eoscorpius were described and Inthat paper the following conclusion was announced :— Although there seems to be sufficient reason to sepa-rate the genus {Eoscorpius) from any recent one, theseancient scorpions appear not to differ in any essentialcharacter from those now living. As far as the hornytest, the only part now preserved to us, is concerned, theywere as highly organised and specialised towards thebeginning of the
. Nature . ocks of the Scottish Border. The resultswere published in the Transactions of the Royal Societyof Edinburgh, where several species belonging to thegenus Eoscorpius were described and Inthat paper the following conclusion was announced :— Although there seems to be sufficient reason to sepa-rate the genus {Eoscorpius) from any recent one, theseancient scorpions appear not to differ in any essentialcharacter from those now living. As far as the hornytest, the only part now preserved to us, is concerned, theywere as highly organised and specialised towards thebeginning of the Carboniferous period as their descend-ants at the present day. It is unfortunate on that ac-count that Messrs. Meek and Worthen should havechosen the name Eoscorpius, for the dawn of the scor-pion family must have been at a much earlier period, andwe may hope that their remains will yet turn up in theDevonian and Silurian plant-beds when these come to bethoroughly searched. The subsequent study of a much. finer collection from the same rocks has fully confirmedthe conclusion as to the essential identity of structurebetween the living and the Palaeozoic forms. The hopealso expressed in the passage just cited has now beenrealised by the discovery of scorpions in the UpperSilurian beds of Scotland and Sweden, in the former byDr. Hunter of Carluke, who obtained one from Lesma-hagow in Lanarkshire in June 1883, and in the latter byProf. Gustav Lindstrom, of the Swedish Academy ofSciences, Stockholm, who got his last summer (1884) fromWisby in the Swedish Island of Gothland. Prof. Lind-strom shows that his was a land animal and a true air-breather, and though of a more lowly type than the Car- 1 Corda. in Bolimiscken Verhandlungen, 1836, and Wiegmann*s Archiv .1836, vol. ii. p. 360. Figured in the Transactions of the Bohemian Museum. 2 American Journal of Science, 2nd series, vol. xlv. p. 25. GeologicalSurvey of Illinois, vol. iii. pp. 563-565. 3 Quart. Journ. Geol. Soc,
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