2 
Arachnida (inch Tardigrada and Pentastomida). 
I. Titles = 3000 . . 
PAGE 
II. Subject-Index = 3003-3027 
General, Economics . 
Structure 
Physiology ... 
Development. . 
Ethology 
Variation and Aetiology 
Distribution (Geographical and Geological) 
111 . Systematic Index = 3031 : — 
General (vacant). 
11 
11 
11 
11 
11 
12 
12 
Scorpiones 
. . • 
• • 
13 
Pedipalpi 
. . 
13 
Palpigradi (vacant). 
Araueae 
13 
Aviculariidae 
13 
Uloboridae 
14 
Dictynidae. . 
14 
Sicariidae 
14 
Dysderidae ’ 
15 
Caponiidae 
15 
Drassidae 
15 
Pholcidae 
15 
Theridiidae 
15 
Argiopidae 
15 
Mimetidae. . 
15 
Thomisidae 
16 
Clubionidae 
16 
Agelenidae 
16 
Pisauridae 
16 
Lycosidae . . 
16 
Salticidae . . 
16 
Solifugae 
16 
Pseudoscorpiones . . 
16 
Opiliones 
. . 
17 
Ricinulei, etc. (vacant). 
