Myr. 1 
XII. MYRIOPODA AND PROTO- 
TRACHEATA. 
BY 
Albert Brown. 
CONTENTS. 
Page 
Introduction.1 
MYRIOPODA. 
I. Titles.2 
II. Biology.6 
1. Morphology .... 6 
2. Physiology .... 6 
3. Development.... 7 
4. Variation & Pliylogeny 7 
5. Habits & Miscellaneous 7 
III. Distribution .7 
Page 
IV. Systematic. 
Chilopoda .... 
Pauropoda (vacant) 
. 10 
Diplopoda .... 
. 12 
PROTOTRACHEATA. 
I. Titles. 
. 16 
II. Biology. 
. 17 
III. Distribution .... 
. 17 
IV. Systematic .... 
. 17 
INTRODUCTION. 
The Records of Myriopoda and Prototrachecita for 1901 show as marked 
an increase in the number of titles as the other Records of Arthropoda, 
Verhoeff contributes no less than 14 papers to this Record though 
some of these were published prior to 1901. The series of papers on 
Paleearctic Myriopoda which he has been issuing for some years past 
is brought to a conclusion by the publication of the twentieth. 
Some important papers have also been published by Pocock, dealing 
with Chilopods and with questions of nomenclature. Examination of the 
Systematic Index will show that more attention has been paid to the 
Chilopoda than for some years past. 
Evans’ contributions to the literature of Peripatus are of great import¬ 
ance and his classification worthy of note. Opinion has wavered during 
the past few years as to the desirability of splitting up the original genus 
Peripatus into a number of others. The tendency has been rather to 
