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Bunsen and Kirchoff’s Spectrum Analysis. The arrangementof the work is excellent, and treating as it does in a very ad-mirable manner of many new and difficult, subjects, it will befound of much value by the advanced student, and even by theprofessor of chemistry.

Hooper’s Physician’s Vade Mecum. By WM. AUGUSTUS GUY,M.B. Cantab., and JOHN HARLEY, M.D. Lond., F.L.S. London:Henry Renshaw. -The editors of this edition of a standardwork have, in the main, performed their duties with abilityand discretion. It may be mentioned that the glossary hasbeen judiciously enlarged and indexed, and the classification ofremedies and the formulae have been carefully revised in ac-cordance with the new Pharmacopœia. Fifty new woodcutshave also been added.A Manual of Physiology and of the Principles of Di-sea-se.

By EDWARD DILLON MAPOTHER, M.D. Dublin : Fannin andCo. London : Longman and Co.-If this work is not entitledto unqualified praise (and in some respects it might be open tocriticism), it must be admitted that it will form a useful text-book for students, and in no way more prominently than inthe opportunity which it gives to the reader of testing his ’,

knowledge by a catechetical appendix, which cannot fail toaid him in his studies.

First Help in Accidents. By CIIAS. H. SCHAIBLE, M.D.,Ph.D. London : Hardwicke.-The author at first intended thatthis little work should be confined to the use of non-medical

military men. We think he acted wisely in adapting it as aguide to non-professional persons generally " before the arrivalof a medical man." The rules laid down are simple, and easyto be understood. The work promises to be really what its titleexpresses.Our Common Insects. First Steps to Entomology. By Mrs.

E. W. Cox. London: Hardwicke.-A popular little sketchof the common insects of this country, profusely illustrated;not too scientific for the general reader, but sufficiently so tobe useful to the young student of entomology.

The Physician’s, Surgeon’s, and General Practitioner’s Visit.ing List, Diary, Almanack, and Book of Engagements, for1865. (The nineteenth year of publication.) John Smith and

Co., Long-acre.-This convenient and useful Diary has been solong adopted by the profession that it scarcely needs commen-dation on our part. it is in every way most suitable for the

physician, surgeon, or general practitioner.Abeokuta and the Camaroon Mountains. By R. F. Burton,

Esq. - Mr. Burton, in two volumes, gives a most lucid andwell-written account of his travels. There are many subjectsof great interest to the medical profession.

The Art Journal for December. - This number sustains itswell-merited reputation.

New InventionsIN AID OF THE

PRACTICE OF MEDICINE AND SURGERY.

IMPROVED ARTIFICIAL LEECH AND NEWEYE-DOUCHE

MESSRS. WHICKER & BLAISE have forwarded to us a usefulmodification of the little instrument known as Heurteloup’sleech. This means of abstracting blood from the’ temples is muchused, by continental surgeons especially; and in ophthalmicpractice it is very cleanly and efficient. The original in-strument is worked rather clumsily by a string, which is pulledacross the finger. In this modification, at the suggestion ofMr. Ernest Hart, the circular cutter is attached to a centralshaft, which may be wound like a watch-key, and catches ; itis then placed in position, and the pressure of the finger on thebutton releases the ahaft, which revolves automatically, and

effects the required incision instantaneously. With the aid ofthe small exhausting cylinder attached the required amount ofblood may be drawn. With the old instrument, some littledexterity, and often the aid of a second person, was needed. Insimplifying and perfecting the mechanism, the obstacle is pro.bably removed which prevented an extremely useful little in-strument from being popularized in this country. It is veryserviceable in various inflammatory ophthalmic affections whereit is desired to abstract blood locally, and especially so inchronic and deep-seated diseases of the eye.

Messrs. Whicker and Blaise have also introduced, on the re-commendation of the same surgeon, a form of eye douche, com-bining various advantages of several forms which have beenlately devised. It explains itself by reference to the woodcut.Water being introduced into the body of the instrument, a fewstrokes of the piston of the forcing-pump subject it to con-siderable atmospheric pressure ; and on the tap of the delivery-pipe being turned, the water is thus driven through the fineapertures in the terminal rose in a refreshing shower of spray;and the eye being held over the glass reservoir, the spray fallsagain into this, and is conducted away. Thus an effectual and

refreshing douche is provided in a finely divided shower, whichis continuous and not delivered by jerks, does not wet the dress,and leaves the hands free to make any arrangement necessaryfor personal comfort.

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ICE AND HOT-WATER BAGS.

These bags are intended for the convenient application eitherof heat or cold to the spine; in carrying out especially theapplications invented by Dr. John Chapman. The bags arevery well contrived, and will answer the purpose admirably.They are cellular, and yet so arranged that all the cells can befilled from the general mouth. They are very light, clean,

handy, and ingenious. -

WHOLESALE AND EXPORT DRUG COMPANY. - Thewholesale, and especially the export, trade in drugs and che-micals is both large and lucrative, and we consider that anyCompany based upon the principles of limited liability and cooperation, and managed by really practical and experiencedmen, would, in all probability, prove a decided success, andthat the money invested in such an undertaking would realizea fair profit. The Company, the title of which stands at thehead of this paragraph, and whose prospectus we published last

week, promises well. The directorate contains the names ofseveral practical men, and is composed entirely of chemists and

druggists, with one exception, we believe, of those engaged inthe retail trade. While this constitution of the directorateaffords a guarantee that the Company will be managed by menwho understand the business, we should have been glad torecognise the names of two or three more gentlemen who areacquainted with the wholesale trade in drugs. One of the best

features in such Companies is the guarantee which they affordfor the purity of the articles in which they deal.