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SOME RECENT IJY1P0RTAT 
APATHY (ST.). Die Mikrotechnik der 
thierischen Morpliologie. Eine kritische Dar- 
stellung der rnikroskopischen Untersuchungs- 
methoden. I, Abth. 8vo. Braunschweig, 1896. 
7s. 9d. 
BATESON. (W.). Materials for the Study 
of Variation, treated with especial regard to 
Discontinuity in the Origin of Species, lllustr. 
8vo. London, 1894. Cloth, 15s. 
BEARD (J.). On certain Problems of 
Vertebrate Embryology. 8vo. Jena, 1896. 2s. 
BRONN. Klassen und Ordnungen des 
Thier-Reichs, wissenschaftlich dargestellt. Band 
I. (Amorphozoen), Band I., Abt. I. II. III. Band 
II. , Abt. II. Lief. 1-14, Abt. III. Lief. 1-21. Band 
III . Abt. I. & II. Band IV., Lief. 1-47. Band V. 
Abt. I., Abt. II., Lief. 1-46. Band VI., Abt. I., 
Lief. 1-4. Abt. II., Abt. III., Abt. V., Lief. 
1-49. 13 vols. bound in half calf, and 181 parts. 
8vo. Leipzig, 1859-96. £12 12s. 
CLAUS (C.). Elementary Text-Book of 
Zoology, Protozoa to Insecta ; translated and 
edited by A. Sedgwick. 706 figs. 8vo. 1884. 
Cloth, 12s. 
CROUAN (P. L.) and H. M. CROUAN. 
Florule du Finistere contenant les descriptions 
de 360 especes nouvelles de Sporogames, de nom- 
breuses observations et une Synonymie des 
Plantes Cellulaires et Vasculaires qui croissent 
spontanementdanscedepartement. 32 coloured 
plates. 8vo. Brest, 1867. 50s. 
DUMERIL (A. M. C.) and G. BIBRON. 
Erpetologie generale: ou l'histoire uaturelle 
complete des Reptiles. 9 vols. 8vo. and 1 vol. 
of 108 coloured plates. Paris, 1834-54. Bound 
in half calf. £6 10s. 
ERRERA (L.) & E. LAURENT. Planches 
de Physiologie Vegetate. Quinze planches 
murales en couleurs pour l’Enseignement Moyen, 
l’Enseignement Superieur et l’Enseignement 
Agricole, representant les Phenomenes Princi- 
paux de la Physiologie des Plantes. (Format : 
70 X 85 centimetres) et 1 volume in-4to de 102 
pages, contenant le texte descriptif frangais, avec 
86 figures et 1’explication des planches en 
francais, en allemand et en anglais. £2. 
ELUGGE (C.). Die Mikroorganismen. 
Mit besonderer Beriicksichtigung der Aetiologie 
der Infektionskrankheiten. 3rd edition, illus- 
trated. 2 vols. 8vo. Leipzig, 1896 . 36s. 
FORBES (E.). A History of British Star- 
fishes and other animals of the class Echino- 
dermate. Figs. 8vo. London, 1841. 8s. 6d. 
BOOKS. 
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Important Books on 
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AND PURCHASES 
S (E.) A Monograph of the British | 
ed-eyed Medusae, with figures of all the J 
ies. l 13 coloured plates. Folio. London* 
i. 12s. 6d. 
K (A. B.). Lelirbuch der Pflanzen- 
s-iologie, mit besonderer Beriicksichtigung v 
uu Landwirtscbaftlichen Pflanzen. 2nd revised* 
edition. 8vo. Berlin, 1897. Cloth. 6s. 
Die Tierparasitaren Krankheiten der* 
Pflanzen. Figs. 8vo. Breslau, 1896. 7s. 3d. 
GREVILLEA. A Journal of Cryptogamic y 
Botany. Plates. Vols. I-XX., 1873-1892.* 
Offered at the reduced price of £6 10s. 
HASSALL (A. H.). A History of the 
British Freshwater Algae, including Descrip- 5 
tions of the Desmideae and Dialomacese. With 
upwards of 100 plates illustrating the various " 
species. 2 vols. 8vo. London, 1845. Very #, 
scaree. Original cloth. £3. 
PETRI (R. J.). Das Mikroskop. Yon -to 
seinen Anfangen bis zur jetzigen Vervollkomm-* 
nung, fiir alle Freunde dieses Instruments.* 
191 fig-, and 2 facsimiles. 8vo. Berlin, 1896/v 
Bound. 10s. 
PETTIGREW (J. B.). The Physiology ofi 
the Circulation in Plants, in the lower Animals* 
and in Man. 150 illustrations. 8vo. Cloth.* 
(12s.) 6s. 
PRITCHARD (A.). A History of Infusoria , \ 
living and fossil. Plates. 8vo. London, 1842.* 
Cloth. 15s. 6d. 
RALES (J.). The British Desmideae. 
The drawings by Edw. Jenner. London, 1 848... y; 
Royal 8vo. With 35 coloured plates. Cloth, s' 
40s. 
SAVILLE KENT (W.). A Manual of the , 
Infusoria ; including a description of all known 
flagellate, ciliate and tentaculiferous Protozoa,;* 
British and Foreign, and an account of the 
organisation and affinities of the Sponges. 51 
plates. 3 vols. 8vo. London, 1880-81. Bound ; 
in half calf. £4 10s. 
STOKES (A. C.). Aquatic Microscopy for 
Beginners : or, Common Objects from the Ponds 
and Ditches. 3rd edition. Illustrated. 8vo, 
Portland, Conn., 1896. Cloth. 7s. 6d. 
Microscopical Praxis or Ample 
Method of ascertaining the Properties of various ) 
Microscopical Accessories, illustrated. 8vo._.- 
Portland, 1894. Cloth. 7s. 6“d. 
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