226 
ENTOMOLOGISCHE BERICHTEN. 
toe te zenden. Zoo veel mogelijk zullen deze in taal en 
vorm onveranderd opgenomen worden. De publicatie van 
dit grootsche werk is verzekerd. Behoef ik het nog warm 
aan te bevelen? 
Arnhem. A. C. OUDEMANS. 
Analytical Key for the Classification of Families 
and Genera of Diacrotricha Oudms, 1906 (AcarL) 
Cohors Diacrotricha Oudms. 1906. 
A. 1. Skin polished, or dull, or chagrined, or tough, or 
scaly, only in a few hypopi and nymphae partly 
finely striated, or wrinkled. Larvae usually with 
„Bruststiele” or „Urstigmata”. 
B. 1. Body more or less Tyroglyphus- shaped; skin 
polished, seldom finely granulated; mandibles 
normal, chelate. 
C. 1. Ambulacra with caruncle and movable 
claw, both sessile. Tyroglyphidae Donn. 
1868. 
C. 2. Ambulacra with claw only. 
D. 1. Claw of legs I and II sessile. 
Rhizoglyphidae OUDMS. 1923. 
D. 2. Claw of legs I and II on flexible 
peduncle arising from side of tarsus. 
LentunguLidae Berl. 1897. 
C. 3. Ambulacra with small caruncle only. 
Nctnacaridae OUDMS. 1923. 
C. 4. Ambulacra with caruncle, on the distal 
half, or on the end of which the 
claw is attached. 
D. 1. With propodosomatic shield; epimera I 
free; Mealiidae OUDMS. 1923. 
D. 2. With propodosomatic shield; epimera I 
joined to sternum. Winterschmid- 
tiidae OUDMS. 1923. 
D. 3. Without propodosomatic shield; skin 
moreover weak and polished. Carpo- 
glyphidae OUDMS. 1923. 
