Arachn . 1 
XL ARACHNIDA 
(Including TARD1GRADA and PENTASTOMIDA). 
BY 
W. T. Calman, D.Sc. 
CONTENTS. 
Pago 
I. Titles 2 
II. Biology. 
1. Morphology and Classi- 
fication 13 
2. Physiology 13 
3. Reproduction and De- 
velopment .... 13 
4. General Bionomics, Ha- 
bitats, &c. . . . . 13 
5. Symbiosis and Parasi- 
tism 14 
6. Miscellaneous .... 14 
III. Distribution. 
a. Geographical . . . . 14 
1. Arctic and Antarctic . 15 
2. Europe and Mediterra- 
nean Islands ... 15 
3. Asia (Palaearctic) . . 16 
4. India and Further India 16 
5. Malay Peninsula and 
Archipelago . . . 16 
6. Africa and Madagascar 16 
7. North America ... 17 
8. Central and South 
America and the 
West Indies ... 17 
9. Australasia 17 
10. Atlantic Islands . . . 17 
11. Indian Ocean Islands . 18 
12. Pacific Islands ... 18 
b. Geological 18 
IY. Systematic. 
Arachnida, General. ... 18 
1. Scorpiones 18 
2. Pedipalpi 19 
3. Palpigradi 19 
4. Araneae . . . . . 19 
Page 
A. Mygalomorphae . . 
19 
B. Arachnomorphae 
22 
Hypochilictse . . . 
22 
Filistatidse .... 
Uloboridae and Dino- 
22 
pidae 
22 
Psechridae . . . . 
22 
Dictynidae . i .1 
22 
Eresidae . . . . . 
22 
Urocteidae .... 
Zoropsidae and Acan- 
23 
thoctenidce . . . 
Dysderidae and Oono- 
23 
pidse 
23 
Scytodidae .... 
23 
Pholcidae . . . . - . 
23 
Theridiidae .... 
23 
Argyopidse .... 
24 
Mimetidse .... 
Archseidse [Vacant] 
Hersiliidse [Vacant] 
28 
Agelenidse .... 
Lycosidse and Pisau- 
29 
ridee 
29 
Senoculidae .... 
Oxyopidae .... 
Palpimanidae . . . 
Clubionidae, &c. . . 
30 
30 
31 
Platoridae 
33 
Thomisidae . . * . 
33 
Salticidae ..... 
35 
5. 
Solifugae 
38 
6. Pseudoscorpiones t. . 
39 
7. 
Opiliones 
39 
8. 
Acari 
41 
9. 
Tardigrada 
47 
10. Pentastomida [Vacant] 
