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NOTICES TO CORRESPONDENTS.
All communications for the Editor should be addressed to No. 192, Piccadilly, W. To avoid disappointment, contributions should be received on or before the 15th of each month. No notice can be taken of anonymous communications. All notes, queries, or articles for insertion, must be guaranteed by the name and address of the writer, which may be withheld from publication if so desired.
Queries.—Having been inundated with questions, we are compelled to announce that we cannot undertake to answer those of which the querist might satisfy himself by an appeal to any elementary book on the subject. We are always prepared to accept queries of a critical nature, and to publish the replies, provided some of our readers, beside the querist, are likely to take an interest in them.
We cannot undertake to return "rejected addresses."
British Hepaticæ.—The "Guide," uniform in size and price with this journal, may be had of the Publisher, 192, Piccadilly. Every subscriber to Science Gossip should procure a copy to bind with his volume. It contains descriptions of one hundred and thirty-six species of Hepaticæ, illustrated by two hundred woodcuts.
A. M.—You cannot have a more useful little book on the Mounting of Microscopic Objects than that by T. Davies, published by R. Hardwicke, at half-a-crown.
Books on Sea-weeds.—"R. S." is informed that many books at many prices, and of varied merits, have been published on this subject. Such as, "Nature-printed Sea-weeds," 4 vols. 8vo. (Bradbury & Evans); Harvey's "Phycologia Britannica," 4 vols. royal 8vo. (Reeve); Harvey's "Atlas of British Sea-weeds," 4to. (Reeve); Harvey's "Synopsis of British Sea-weeds," 12mo. (Reeve); Landsborough's "British Sea-weeds" (Routledge); Gifford's "Marine Botanist;" Gray's "Handbook of British Water-weeds" (Hardwicke), &c. &c.
S. A. S.—The London Catalogue of British Plants may be had of Dulau, Soho Square. We think that the list of British Mosses referred to is "out of print."
Repairing Insects.—"W. H." will find shell-lac dissolved in spirits of wine a very useful cement for this purpose.
R. S.—You will find it preferable not to fix your eggs for your cabinet in any way, either on wood or cardboard, but place them on cotton wool in little boxes or compartments.
L. L.—It is a plant of the Pine-apple family called "New Orleans Moss" (Tillandsia usneoides), and is used for stuffing, as a kind of substitute for horse-hair.
J. W.—Your observations are only confirmatory, in fact, of what has been before recorded. Your deductions are scarcely so correct.
A. G. has fallen into error in thinking us interested in ordinance. Our science is essentially that of peace, and not of war.
F. L. S.—We suppose that your insect was the Gold-tail Moth (Porthesia auriflua), a very common species.
J. P.—What bird do you call the Red Sparrow-hawk? Is it the Kestrel?
A. F. C.—Only the image of the object is enlarged by drawing out the tube; there is no true increase of power.
E. G.—Many of our birds rear two broods in a year.
S. D.—1. The siliceous cuticle of grasses may be obtained by maceration in nitric acid, and afterwards carefully burning to a white heat. 2. Probably the sudoriparous glands; but it is mere speculation to answer without seeing the object.
T. P.—We regret that we have no space for your communication. It will be better published when the experiment is complete. An agricultural journal would then be a more suitable medium.
Aquaria.—Our notes on aquarium topics are so many and so long this month, that some will have to stand over. Correspondents will please to note this, and excuse the delay.
Firefly will please to take notice, and all other like offenders, that for no purpose whatever can we recognize a nom-de-plume. Already the same announcement has been made twice or thrice, and our good friends will oblige by not repeating the dose. We believe that we have good reasons for persisting in this regulation.
E. M. W.—The publisher of "Janson's Beetles" is Bell, of Fleet Street, London.
P. S. (Harrow).—We admit no nom-de-plume. The science you name does not come within our interpretation of natural history.
W. W. K.—You will find the name in the article, of which your extract is a portion, in All the Year Round.
F. A. B.—A paragraph appears in the present number which will probably assist you. Some flowers are very difficult to manage in drying.
Zoophytes.—The best work on this subject is Dr. Johnston's "British Zoophytes," published by Van Voorst, in two vols. 8vo. There is a smaller work by Dr. Landsborough, which is published by Routledge. Sir John Dalyell's "Remarkable Animals of Scotland," two vols. 4to. (Van Voorst), also contains Zoophytes.
W. P.—As we answered our correspondent, the subject is closed. Why not insert an advertisement?
F. A.—Write to Mr. W. R. Tate, 4, Grove Place, Denmark Hill, Camberwell, and he will furnish you with all the information you desire.
Limpet Tongues.—J. B. R. has a number of dissected limpet tongues unmounted, and will be happy to exchange them for other interesting microscopic objects.—115, Newgate Street, London, E.C.
W. E. Williams, Jun., offers silkworm eggs and seeds of the Catalpa tree as microscopic objects.—Corsham, Wilts.
Petherwin Beds.—Please correct p. 150, 1st col., 4th line from bottom, for "shale" read "shell Spirifera unguicula;" 2nd col., 6th line, for "Eremphalus" read "Euomphalus."
F. P. P.—"What's the use of It" is declined with thanks.
Y. Y. had better forward us a specimen of the moth in question.
Cabinet Labels.—We have seen a sheet of labels for small Cabinets of Microscopic Objects, designed by Mr. John Bockett, 10, Willingham Terrace, Kentish Town, which is likely to be very useful.
A Hint for Contributors.—If our contributors will oblige us by always using the common names of plants, animals, insects, &c., wherever there is a common name in use, to be followed by the scientific name in brackets, this will save us a large amount of trouble in sending their manuscript to press. As we do not pretend to address scientific readers alone, vernacular names are indispensable.
Communications Received.—S. E. B.—F. J. F.—E. R. L.—W. H. G.—T. P. B.—E. Y. S.—E. G.—M. A.—P. S.—J. H. W.—J. S.—H. G. K.—F. A. B.—T. A.—W. W. K.—M. H. L.—G. R. J.—G. D.—E. T. S.—P. F.—W. R. T.—J. B. Humber.—B. H.—F. C.—J. D.—A. G.—J. P.—H. W.—E. S. S. G.—R. G. K.—J. B. R.—E. M. E.—F. R. P.—A. G.—C. A.—J. S.—E. S.—E. H.—R. B. S.—J. A.—R. K.—W. N.—E. G.—E. H. (Richmond).—A. F. C.—B.—E. E.—G. G.—J. P.—F. L. S.—S. D.—T. P.—A. R.—F. W.—R. T.—J. B.—T. W. W.—Dr. L.—W. T. H.—C. A.—F. A.
Too Late.—Correspondents are reminded that the majority of the above communications arrived too late for notice in the present issue.
Popular Names.—R. E. D.—C. A.
BOOKS RECEIVED.
"The Phenomena of Radiation as Exemplifying the Wisdom and Beneficence of God." By George Warington, F.C.S. 12mo. cloth, 186 pp. (London: W. Skeffington.)
The Popular Science Review for July, 1865. (London: R. Hardwicke.)