Observations on the Shape of the Nucleus 
and its Determination. 
By 
Christian Champy. 
Professeur agrégé & la Faculté de Médecine de Paris, 
and 
H. M. Carleton, 
Demonstrator in Histology, University of Oxford. 
With Plates 23 and 24 and 11 Text-figures. 
CONTENTS. 
. INTRODUCTORY 
. THE RELATION BETWEEN Noonan Sakae AND rae 
TENSION . 
. MECHANICAL Trion OF THE Neceens 
. NUCLEAR SHAPE AND THE CENTROSOME . 
Tur RELATION LETWEEN CELL SHAPE AND ietan Siine 
. CANALICULI IN THE NUCLEAR MEMBRANE 
Foups AND IncIstons IN THE NUCLEAR MEMBRANE 
. Tee Unrotpine oF NucieAR INVAGINATIONS 
. INTRANUCLEAR RODLETS, ETC. 5 
. Tue RELATION BETWEEN NUCLEOLI AND S NGeLEAn aree 
. Ceti Drviston AND NUCLEAR DIFFERENTIATION 
. SUMMARY 
. BIBLIOGRAPHY 
. EXPLANATION OF PLATES 
1. INTRODUCTORY. 
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Tuat the nucleus is extraordinarily variable in shape, not 
only in different animal cells but also in the same cell during the 
different phases of its ontogeny and metabolism, is a notorious 
fact. 
In the following notes, which embody a brief description 
NO. 260 Ree 
