[ 18 ] 
Presents. 
COSTA (A n il ill ft) Deg'li Pneumastomi accessorii o Microstigmi negl’ Insetti 
emitteri. 4to. Napoli 1868. 
Nuove Osservazioni sopra i Bachi da Seta. 4to. Napoli 1868. 
COULTAS (H.) What may be learned from a Tree. 8vo. Neiv Yorlc 1860. 
COX (J. C.) A Monograph of Australian Land Shells. 8vo. Sydney 1868. 
CRAMER (E.) Beitrag zur Kenntniss der Bedeutung und Entwicklung des 
Yogeleies. 8vo. Wurzburg. 
DAUBREE (A.) Experiences Synthetiques relatives anx Meteorites. 8vo. Paris 
1868. 
DAYIDSON (T., E.R.S.) On the Upper Silurian Brachiopoda of the Pentland 
Hills, and of Lesmahagow, in Lanarkshire. 4to. Glasgow 1868. 
DELESSE ( — .) Etudes sur le Metamorphisme des Roches. 8vo. Paris 1869. 
LELESSE ( — .) et DE L APPARENT. Revue de Geologie pour les Annees 
1866 et 1867. 71. 8vo. Paris 1869. 
DELESTRE (P.) Les Erreurs du Systeme du Monde. 8vo. Morlaix 1868. 
DEMARQUAY (J. X.) Recherches sur l’Absorption des Medicaments faites 
sur l’homme sain. 8vo. Paris 1867. 
De 1’ Absorption par les Plaines. 4to. Paris 1868. 
Exposition Universelle de 1867. Appareils et Ou- 
vrages de Gymnastique. 8vo. Paris 1867. 
DILKE (Sir C. W.) Greater Britain : a Record of Travel in English-speaking 
Countries during 1866 and 1867. 2 vols. 8vo. London 1869. 
DOLLEN (W.) Vorschlage zu einer weiteren Yervollkommnung der Spiegel - 
instrumente. 8vo. St. Petersburg 1867. 
DOUGLAS (J. P.) A Run through South Wales, via the London and North- 
Western Railway. 8vo. Shrewsbury. 1868. (2 copies). 
DOYE (H. W., For. Mem. R.S.) Monatliche Mittel des Jahrganges 1867 fiir 
Druck, Temperatur, Eeuchtigkeit und Niederschlage und fiinftagige Warme- 
mittel sammtlicher mit dem meteorologischen Institut zu Berlin verei- 
nigten deutschen Stationen. 4to. Berlin 1868. 
■ Klimatologie von Xorddeutschland von 1848 
bis incl. 1867. Ahth. 1. 4to. Berlin 1868. 
Die Witterung des Jahres des Misswachses, 
1867. 4to. Berlin. 
DUHAMEL (J. M. C.) Des Methodes dans les Sciences de Raisonnement. 
Troisieme Partie. 8vo. Paris 1868. 
DURAND (A.) La Toscane, Album Pittoresque et Areheologique, 18 e et 19 e 
livr. fol. Paris 1862. 
DURAND (J. P.) La Philosophie Physiologique et Medicale. 8Vo. Paris 1868. 
DU RIEU (W. N.) Een nieuw hulpmiddel voor heeren Natuuronderzoekers. 
8vo. Leiden 1868. 
ELLIS (A. J., F.R.S.) The Only English Proclamation of Henry HI., 18 Oc- 
tober, 1258, and its treatment by former editors and translators, considered 
and illustrated. 8vo. London 1868. 
ERDMANN (A.) Sveriges Geologiska Undersokning. 26-30. 8vo. [Maps], 
Nionde Haftet. fol. Stockholm 1868. 
Expose des Formations Quaternaires de la Suede. 8vo; and 
Atlas, 4to. Stockholm 1868. 
Donors. 
The Author. 
C. Darwin, Esq., E.R.S. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
Mons. Delesse. 
The Authors 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Prince Demidoff. 
The Author. 
The Author. 
The Author. 
The Swedish Geological 
Office. 
The Author. 
