3 
Acari . . 
PACE 
.. 37 
Oribatidae, etc. . . 
9 # 
m # 
.. 38 
Gamasidae. . 
, , 
, , 
. . 39 
Ixodidae and Argasidae . . 
m . 
. . 40 
Trombidiidae, etc. 
, , 
# , 
t # 
. . 41 
Hydrachnidae 
. . 
. . 
. . 
. . 42 
Halaearidae 
, , 
.. 43 
Bdellidae .„ 
% , 
# 
9 # 
. . 43 
Sarcoptidae 
.. 43 
Tyroglyphidae 
, . 
, • 
• , 
.. 43 
Demodicidae 
. , 
# , 
. . 43 
Eriophyidao 
.. 
.. 43 
Tardigrada 
• • 
.. 44 
Pentastomida 
.. 44 
Myriopoda. 
I. Titles = 3400 . . , . . . . . . . . . 45 
II. Subject-Index = 3403-3427 : — 
General . . . . . . . . . . . . 47 
Structure . . . . . . . . . . . . . 47 
Physiology . . . . . . . . . . . . . . 47 
Development. — [Vacant.] 
Ethology . . . . . . . . . . . . 47 
Variation . . . . . . . . . . . . , . 47 
Distribution . . . . . . . . . . . . . . 47 
III. Systematic Index=3431 : — 
Chilopoda . . . . . . . . . . . . , . . 48 
Symphyla .. .. .. ..49 
Pauropoda, . — [ Vacant] 
Diplopoda . , . . . . . . . . . . 49 
Prototracheata. 
I. Titles=3200 . . .. .. .. . .. ..53 
II. Subject-Index=3203-3227 .. .. .,53 
III. Systematic =323 1 .. .. .. .. .. ..54 
(n-9242 n) 
c 15—2 
