LEITZ’ NEW MICROSCOPES] 
possess many ad “sive over the older type, and embody several important features not 
to be found in any oth 
The ioe te ees base gives greater rigidity, and 
the larger stage and oo limb additional working space, 
allowing Ager size i dishes, ete., to be examined with 
convenience. The new ore adjustment, with an endless 
bine is ayphes ea and more durable than the micro- 
rie ers Sueee age ‘of cover glasses and injury to the 
£ : é 
expert worker to attain greater speed in focussing, especi- 
he mechanical features in the n w models, combi 
ned with 
the high quality of the recently senpreved objectives, place 
the Leitz Microscopes in an 
VALLED POSITION. 2 
Prices, with Optical l Equipment, from 86 : 10s. upwards.} 
LEITZ’ APLANATIC ... 
LENSES 
are remarkable for their Large Flat Field, Sper: Defini- 
tion, and ! ees from Chromatic Aberr 
Nickel-plated Folders (as Seek has x 8to x 40, es 12/- each. 
in Mounts to fit Sees Microscopes 10/- 9 
aa, 
The instruments and lenses may b d tabled att 
; firm’s London Braneh, where Pan ts of a inventions are frequently ane 
DESCRIPTIVE CATALOGUE FREE ON REQUES! 
: FORD HOUSE,. 
ee ELT Zax ee iien, wy, 5 
Telephone: Gerrard 1674. Agents in all University ce i 
THE NEW PHYTOLOGIST 
A BRITISH BOTANICAL JOURNAL. 
Edited by A. G. TANSLEY, MA. F.LS, 
UNIVERSITY LECTURER IN BOTANY, CAMBRIDGE. 
Assisted by the Staff of the Cambridge Botany School. 
Contents of November and saree td Par agin Sphere: Py oes 
be Advances i in the Study of Heredity. Lectu :9: 4 Ratios. 
Lecture VI.—The Mendelian Inheritance of ue ee te D. Darsr 
i Phycoe i 
HIRE. of 
(Plate V.), by E. ae on. The gee ace and Embryo of Geissoloma margi-_ 
— (Plate VI.), by /B. 1, Srernens. Notes on Polyporus squamosus Huds. 
g. 44), by F. T. Brooxs. Hybrids Sccanas Galium verum and G. molluge 
fig. 45}, ef ge oNORA ARMITAGE. Bett ychium lunaria with two rho Taibee 
fig. NSON F The 
a 
(Text>. 
Text 
5 = 
#6) by y 3 ; 
ociatron ae Winnipeg, jy mo dbus German Vegstation, by A. re Ee 
= on Recent ee : Recent P. Study of the Embryo-sac of 
Patde ~E M. ee) 
P rice of rege jntalion, 2s. _ Price of donb scepter Ai 
hed Monthly by t the + Editor, The Botany School, Cambridg 
