Inner Satellites of _Uranus_. [Reduction of Sir WILLIAM
HERSCHEL'S observations.]

_Proceedings Amer. Assn. Adv. Science_, _August_, 1874, p. 49.
8vo.

HOLDEN (E. S.)
Index Catalogue of Books and Memoirs relative to nebulae, clusters,
etc. _Smithsonian Miscellaneous Collections_, No. 311, pp. 19-38.
[Abstracts of Sir WILLIAM HERSCHEL'S memoirs (on nebulae) in the
_Philosophical Transactions_.]

Washington, 1877. 8vo.

HOLDEN (E. S.) and C. S. HASTINGS.
A Subject-index and a Synopsis of the scientific writings of Sir
WILLIAM HERSCHEL. [Reprinted from the _Report_ of the Smithsonian
Institution (1879).]

Washington, 1881. 8vo.

KRAFFT (J. G. F.)
Kurze Nachricht von dem beruehmten Astronomen HERSCHEL und einigen
seiner Entdeckungen.

Bayreuth, 1787. 8vo.

PEIRCE (C. S.)
Photometric Researches. [A reduction of HERSCHEL'S observations on
the comparative brightness of the stars.] _Annals Harvard College
Observatory_, vol. ix.

Leipzig, 1878. 4to.

SOMMER (G. M.)
WILLIAM HERSCHEL . . . ueber den Bau des Himmels; drei abhandlungen
aus dem englischen uebersetzt, nebst einem authentischen Auszug
aus KANTS allgemeiner Naturgeschichte und Theorie des Himmels.

Koenigsberg, 1791. 8vo.

STRUVE (W.)
Etudes d'astronomie stellaire. Sur la voie lactee et sur la distance
des etoiles fixes. [P. 24 _et seq._ contains an elaborate review
of the construction of the heavens according to HERSCHEL.] St.
Petersburg, 1847. 8vo.

WOLF (R.)
WILLIAM HERSCHEL. Zurich, 1867. 8vo.

ZACH (F. von.)
Dr. WILLIAM HERSCHEL [translated from _Public Characters_ and
printed in ZACH'S _Monatlich Correspondenz_, 1802, part i., p. 70
_et seq._]

III.--LIST OF THE PUBLISHED PORTRAITS OF WILLIAM HERSCHEL.

_Artist_, MME. DUPIERY. _Engraver_, THOeNERT. 8vo. Early portrait. Some
copies in red. Profile.

_Artist_, F. REHBURG. _Engraver_, F. W. BOLLINGER. 8vo. Late portrait.

_Artist_, ----? _Engraver_, C. WESTERMAYR. 8vo. Medallion.

_Artist_, C. BRAND. _Engraver_, ----? 8vo. Lithograph.

_Artist_, ----? _Engraver_, J. SEWELL. 8vo. Profile, 1785.

_Artist_, ----? _Engraver_, ----? 8vo. Profile.

_Artist_, F. BONNEVILLE. _Engraver_, F. BONNEVILLE. 8vo. Profile.

_Artist_, J. RUSSELL, R.A. _Engraver_, E. SCRIVEN. 8vo. Engraved from a
cr