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The origin of the world according to revelation and Science. (6th edition.) Hodder & Stoughton, London, 1893. 452 pp.

The study of fossil plants. Bull. Geol. Soc. Amer. Vol. 5, 5 pp. 1893. Rochester.

Loyalty. A letter to McGill students from the Principal. Separate pamphlet, 4 pp

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1893.

1894.

Some Salient Points in the Science of the Earth. With 46 illustrations. 12mo. 5 pl. 496 pp. incl. 30 pl. Harper Bros. 1894, New York.

The Canadian Ice Age, being notes on the Pleistocene Geology of Canada with especial reference to the life of the period, and its climatic conditions. Montreal. William V. Dawson; New York & London, The Scientific Publishing Company, 1894. 8vo. (11) 301 pp., 6 incl. pl.

Fossil Plants of Canada, and tests of climate, &c. Natural Science, Vol. 4, pp. 177-182. 1894.

Thoughts on an Ideal College for Women. (An address delivered before the Delta Sigma Society of McGill University Dec. 13th, 1894.) 16 pp. 1894. Montreal.

Remarks on Prestwich's paper Causes for the origin of the tradition of the flood. Trans. Victoria Institute, Vol. 27, p. 285, 1894. London.

Note on the genus Naiadite, as occurring in the coal formation of Nova Scotia, with an appendix by Whitton Hind, M. D. &c. Quart. Journ. Geol. Soc., Aug. 1894. Vol. 1. Pl. 20, pp. 435-442.

Bivalve Mollusks of the Coal formation of Nova Scotia. Rep. Can. Rec. Sci., Oct. 1894. 18 pp. separate, illustrated.

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1895.

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1896.

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James McGill and the origin of his university, with engraving, Montreal. 14 pp. (Condensed from papers in Barnard's American Journal of Education, 1859, and the Dominion Monthly, 1870.) (Bound with Dawson's On the Course of Collegiate Education, 1855.) 1896.

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Note on a Carboniferous Entomostracan from Nova Scotia, in the Peter Redpath Museum, determined and described by Prof. C. Rupert Jones and Mr. Kirby, by Sir J. William Dawson. (Reprinted from the Canadian Record of Science, January 1897.) Montreal. 8vo. pp. 316-323. (McGill University, Montreal, paper from the department of geology, No. 7.)

First lessons in the scientific principles of Agriculture, for schools and private instruction. (By J. W. D. & S. P. Robins.) New edition revised and enlarged with the permission of the author, by S. P. Robins, Montreal. W. Drysdale & Co., Montreal, 1897. 323 pp.

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Date uncertain.

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POSSIBLE NEW COAL-PLANTS IN COAL. Part II. U

By W. S. GRESLEY, F. G. S., F. G. S. A., Erie, Pa.

(Plates II, III, IV, V.)

The editor of this magazine having expressed a wish that the results of my continued research in fossil plants, be published (see Vol. XXIV, p. 199, Oct. 1899), in order to show (1) progress made in determining the organized plant constitution of coal, and (2) that possibly there may be something new herein, I gladly avail myself of this opportunity.

In presenting further installments in this increasingly interesting line of investigation, I desire to say, first, that my intention has been to illustrate only such objects and anatomical structures as I have detected in coal which have not, so far as I have been able to ascertain, been already figured and described. Secondly, I make no pretension to be a botanist, but, in making the drawings of the specimens, have carefully avoided the imaginative and the fanciful. I have endeavored to see what the specimens had to reveal; and then to draw, to scale as far as possible, what I saw or believed I saw in them and rejecting that which I had no reason to suppose would add value to the matter. Thirdly: By way of increasing interest in these fossils, where advisable, notes or suggestive remarks have been made, following the descriptions of the figures in the plates.

Should a further interest be evinced in this connection, the author announces that he possesses what he believes to be a very interesting addition to our knowledge of the Carboniferous coal-plant inflorescence, fructifications and allied forms. and fragments, some of which may prove to be new to science.

Reference to Plate. II.

Fig. 1. Vertical section of a fragment of anthracite showing portions of two layers of nearly black and compact coaly material, apparently consisting of little black elongated or distorted rings embedded in a dark gray matrix, and filled with a very similar material. The lower edge of the upper layer and the upper one of the lower layer consist of black material not unlike that constituting the ring-like bodies. That these black and gray bodies are not really rings nor oolitic in form, but are tubular, becomes evident when the specimen of coal is examined on its side face or longitudinal or oblique fractures.

Fig. 2. Transverse section, magnified, of the tubular structures or elements sketched in figure 1; also showing the character of the cellular tube filling, that of the intertubular material, and of the more dense and blacker edge of the fossil-the lower portion of the figure, which is observed to be rent or ruptured near the right-hand corner.

Fig. 3. Longitudinal section through a. b. of figure 1, revealing the character of the various elementary structures of which the specimen is composed, c being a tube and e. p. ? the epidermis, Within the tubes, black rod-like bodies may sometimes be seen (see figures 2 and 3). These, when present are either well within the tube's core or are near to the tube-wall.

Fig. 4. Transverse section of a portion of the cells enclosed in the tubes. They are gray in color.

Fig. 5. Longitudinal section of a portion of the cellular tissue of the intertubular material; also gray in various shades.

Fig. 6. Longitudinal section of a portion of the very thick-walled fibrous material constituting the tubes, and apparently the ? epidermal layer as well. The cores or centres are of a gray substance.

Fig. 7. Rather oblique section of part of a layer or mass of this species, exhibiting the ? epidermis in a shape suggestive of a deeply grooved stem or? bifurcation of the plant.

Fig. 8. Oblique section of a part of a mass of ruptured and disturbed tubes a feature not uncommon with this form in the coal.

Notes on the foregoing: This fossil plant occurs in horizontal layers or plates of unknown shape and area; the largest individual specimen, and that merely a fragment, showed about twenty square inches in area. In thickness or vertical hight in the coal, it runs from two or three tubes to at least thirty. The individual layers of it sometimes occur closely stratified, one above another; fig. I shows two layers. In vertical diameter the tubes seem to average about 1-150 of an inch, and say 1-75 of an inch horizontally. The lengths of the tubes have not been determined, but some of them measure at least one inch. The thickness of the core of a tube is about one-fourth of the tube's diameter. All the elements seem to lie parallel to each other, and notwithstanding this fossil is quite common in anthracite yet no suggestion of any cross-grain or of medullary rays has been detected. Some specimens show the tubes twice as large as do others, and there appears to be a gradation in size as one would naturally expect to find. These tubes, etc., appear in the coal much as do corals in polished black marble, but to the naked eye they are rarely visible. It is in the