Philosophical Transactions. 445 
low, Esq. of the Royal Military Academy. Communicated by 
John Barrow, Esq. F.R.S.—XXVI. On the Peculiarities that 
distinguish the Manatee of the West Indies from the Dugong of 
the East Indian Seas. By Sir Everard Home, Bart. V.P.R.S.— 
XXVII. On a new Compound of Chlorine and Carbon. By 
Richard Phillips, F.R.S.E. F.L.S., and Michael Faraday, Che- 
mical Assistant in the Royal lustitutioi. Communicated by the 
President —XXVIII. On the Nerves; giving an Account of 
some Experiments on their Structure and Functions, which lead 
to a new Arrangement of the System. By Charles Bell, Esq. 
Communicated by the President—XXIX. Further Researches 
on the magnetic Phenomena produced by Electricity; with some 
new Experiments on the Properties of electrified Bodies in their 
Relations to conducting Powers and Temperature. . By Sir 
Humphry Davy, Bart. P.R.S. 
A Voyage to Africa, including a Narrative of an Embassy to 
one of the interior Kingdoms, in 1820; with Remarks on the 
Course and Termination of the Niger, &c. By Wm. Hutton, Esq. 
late Acting Consul for Ashantee. Illustrated with Maps and 
Plates. Svo. pp. 488. 
A practical Treatise on the Sliding Rule; in Two Parts.— 
Part the First, being ai Introduction to the Use of the Rule ge- 
nerally, as adapted for Calculations that usually occur to Per- 
sons in Trade.—Part the Second, containing Formule for the 
Use of Surveyors, Architects, Civil Engineers, Scientific Gentle- 
men, and for Schools in general. By B. Bevan, Civil Engineer 
and Architect. 1 vol. Svo. 65. 
Amusing Experiments for Young People. No. 1. Price Is. to 
be completed in six, with numerous Engravings. Upwards of 
Five Hundred New and Amusing Experiments for Young People; 
with Observations on the Substances employed, and their Ap- 
plication to useful Purposes. By George G. Carey, Lecturer on 
Chemistry and Experimental Philosophy. 
Part 1. of Views of the Colosseum ; engraved, by W. B. 
Cooke and J. C. Allen, from Drawings of Major Cockburn. 
In this Work will be displayed the stupendous Proportions and 
picturesque Beauties of the Colosseum, that interesting Orna- 
ment of Ancient Rome. It will be completed in 5 Parts, con- 
taining 15 Line Engravings, together with Plans, Sections, and 
Elevations, and a descriptive History of the Building. Super- 
royal folio, 1d. 1s. each Part, Proofs 12. 10s. 
A System of Pathological and Operative Surgery, founded on 
Anatomy, illustrated by Drawings of diseased Structure, and 
Pians of Operation. By Robert Allan, F.R.S. &e. 8vo. Vols. 
I. and II, 12s. 6d. each, bds. 
A Com- 
