Myr. 1 
XII. MYRIOPODA AND PROTO- 
TRACHEATA. 
BY 
F. SlLVESTRI. 
CONTENTS. 
MYRIOPODA. 
I. Titles 2 
II. Biology. 
1. Morphology & Classifi- 
cation 6 
2. Physiology 6 
3. Reproduction & Deve- 
lopment 7 
4. Bionomics 7 
5. Miscellaneous .... 7 
III. Distribution. 
A. Geographical 7 
1. Arctic and Antarctic . 7 
2. Europe and Mediterra- 
nean Islands ... 7 
3. Asia (Palsearctic) . . 8 
4. India and Further India 8 
5. Malay Peninsula and 
Archipelago ... 8 
6. Africa and Madagascar 8 
7. North America ... 8 
Page 
8. South and Central 
America and West 
Indies 8 
9. Australasia 8 
10. Atlantic Islands ... 9 
11. Indian Ocean Islands . 9 
12. Pacific Ocean Islands . 9 
b. Geological 9 
% 
IY. Systematic Index. 
Chilopoda 9 
Symphyla 12 
Pauropoda [Vacant] 
Diplopoda 12 
PROTOTRACHEATA. 
I. Titles 17 
II. Biology 17 
III. Distribution 17 
IV. Systematic Index. . . 17 
INTRODUCTION. 
The Record of Myriopoda for 1904 is in number of papers a little less than 
that for 1903 and contains also less interesting contributions to the know- 
ledge of the group. 
Amongst the papers on morphology, that of Verhoeff (60 & 62) on 
the legs, and that of Borner (5) on the same subject, are the most im- 
portant. In anatomy and histology we mention the work of Hennings 
(28) on the Tombsvary-organe, and the research of Leger & Duboscq (38) 
on the structure of the intestine of Julus and Polyxenus. Bouin (7) 
continues in 1904 the researches on the germinal cells of Chilopoda ; 
Brolemann (14) writes on the copulatory appendages of some Anoclieta. 
