Notes by William Carruthers – a slip of paper referred to in Coll-203 Gen. 109 Lyell 1/527, giving detailed botanical editorial instructions concerning kelp and the growth of coal period trees, vegetation patterns and the resultant fossils. c 29 August 1866
Letter relating to fossils found in coal including Pothocites, Autholithes, [Carfioliltes] Helictoides. He mentions an ongoing scientific discussion between Brongniart, Ettingshausen and Morris as to the determination of the species of [Carfioliltes] Helictoides, 29 March 1870.
Letter relating to a notice on Arran ash-trees published by Mr Wunsch which he says is enclosed. He tells Lyell that Wunsch has promised a lengthened account to accompany Carruthers' account of the plants. Carruthers has, with British Association money, published a large series of accounts. He sends 3 of these to Lyell, 11 April 1870.
Letter concerning the [Sheppey Prints] which he believes are Proteaceous and not allied to Petrofiilia Discrifolia, contrary to the assertions of Rowanbank, 28 July 1870.
Letter containing observations on fossilised plants found in ash beds, 3 November 1870.
concerning Arran Trees found in Coal, specimens from a coal bed at Burntisland and the purchase by the [British] Museum of a collection of Old Red Plants, 04 November 1870.
Letter clarifying his criticism of Heer's Species, Lepidodendron Griffithini, which he feels Lyell has misunderstood, with sketch, 11 November 1870.
Letter regarding the publication of the account of the [Tern] of the Pacific Islands which have taken up so much of his time that he has not been able to write to Professor Heer. He says that he will publish the paper as it is and deal with the subject of Sigillaria in a separate paper. He says he will bring the book and paper Lyell requested to the meeting of the Council of the Geological Society that evening, 21 February 1821.
Letter in which he remarks on specimens found by Mr Peach in coal at Falkirk which confirm that Autholithes are phanerogamus plants. He tells of a disagreement between himself and Mr Boyd Dawkins who he alleges to have used and misrepresented some of Carruthers' work in a lecture he published which has resulted in Carruthers being unable to see specimens that Dawkins has in his charge in Manchester, 16 June 1871.
Letter promising to look out some passages from "Student Elements" that Lyell had requested and that Carruthers has electrotypes of two cuts of Autholithes which are available to Lyell for his new edition [presumably of Student Elements], 20 November 1873.
Letter relating to Autholithes, Tasmanite and coniferous trees found preserved in coal, 21 November 1873.
Original figure of Mantellia figured in "Students Elements" showing Mantellia Nidiforms, Mantellia Inclusa, Mantellia Intermedia and Mantellia Microphylla, c. 1870s.