ACARINA FROM THE JUAN FERNANDEZ ISLANDS 599 
obliquely upwards and forwards, and fusiform heads, one third the length of 
the peduncle; head smooth. 
Hysterosoma. The anterior edge of the pteromorphe is concave, the 
exterior angle projecting forwards as far as the foremost part of the central 

99 100 
Figs. 92—100. Chamobates marginedentata n. sp. 
g2. Left half of propodosoma. 93. Pseudostigma. 94. Margin of pteromorpha. 95. Tibia and 
tarsus I. 96. Pseudostigmatic organ. 97. Femur Il. 98. Area porosa mesonotica. 99. A. p. 
posterior, 100. A. p. adalaris. 
anterior margin, which is mere a line, no free collar-shaped margin embracing 
the base of the propodosoma. The anterior edge of the pteromorpha continues 
above the pseudostigma as far as to the base of the lamella where it dis- 
appears. If we examine the specimens using a condensor for dark-field illumi- 
nation we notice, however, some other features which seem to show, that the 
true line of fusion of the protero- and hysterosoma is not the superficial line. 
As already pointed out the pseudostigmata are deeply embedded in the body, 
