10.—Hezathyridium venarum, Treutler,
Syn.—To the genera given above, add Hexacotyle, Plainville.
Remarks.—Said to have been found on four occasions; by Treutler
once, by Delle-Chiaje twice, and once by Pollins. Infests the blood.
Lit.—As above; and in general treatises.
11.—Amphistoma hominis, Lewis and McConnell. Syn.—None. Larve.— Unknown. Remarks,—Infests the intestine. Twice found; in the first instance by Dr. O'Brien, of Gowatty, and Dr. Curran together. Lit.—Tewis and MeConnell; in Preceed. of the Asiatic Soe. of Bengal, 1876.
12.—Bilharzia kemetobia, Cobbold. Syn.—Distome kemetubtum. Bilhara; Gyniecuphores, Diesing Theessoma, Moquin-Tandon ; Sekistosume, Weinland, Larvæ—Cercaria unknown. Free ciliated embryo cone-shaped. Remarks.—Infests the veins, especially the portal system of blood vessels. Frequent in Africa. Lit.—In standard works; the details being chiefly from Bilharz, Griesinger, Harley, and Cobbold. See also Sonsino; Sugli ematozol come contribute alla Fanna entoz egiziana; Cairo, 1877; and in Arch. Gen. de Méd., for June, 1876.
[To Be Continued.]
On the Study of the Mosses.
By James E. Bagnall.
Meek creatures! the first mercy of the earth, visiting with hushed softness its dintless rocks; creatures full of pity, covering with strange and tender honour the scarred disgrace of ruin—laying quiet finger on the trembling stones, to teach them rest. No words, that I know of, will say what these mosses are, None are delicate enough, none perfect enough, none rich enough. How is one to tell of the rounded bosses of furred and beaming green,—the starred divisions of rubied bloom, fine-filmed, as if the rock spirits could spin porphyry as we do glass,—the traceries of intricate silver, and fringes of amber, lustrous, arborescent, burnished through every fibre into fitful brightness and glossy traverses of silken change, yet all subdued and pensive, and framed for simplest sweetest offices of grace? They will not be gathered, like the flowers, for chaplet or love-token; but of these the wild bird will make its nest, and the weaned child his pillow.And, as the earth’s first mercy, so they are its last gift to we: when all other service is vain, from plant and tree, the soft mosses and gray lichen take up their watch by the head-stone. The woods, the blossoms, the gift-bearing grasses, have done their parts for a time; but these do service for ever. Trees for the builder's yard, flowers for the bride's chamber, corn for the granary, moss for the grave.
A walk through green fields, country lanes, or woods, is rendered more enjoyable, and I believe more conducive to healthy exercise, if we have some special study to call us there, than such a walk would be if indulged in for the mere sake of what is termed a constitutional. For it is well to have something that will for a time enable us to forget the
