ACARINA FROM THE JUAN FERNANDEZ ISLANDS 595 
Ventral side (fig. 86) of almost the same shape as in C. erzuitus; thus 
the apodemata between epimera III and IV do not reach the sternum and the 
hind margin of epimera IV is thickened to a ridge. 
Anal aperture longer than wide, almost rectangular, almost twice as long 
as the genital aperture, from which it is removed as much as its own length. 

Figs. 83—86. Cepheus corpulentus n. sp. 
83. Hypostome and maxilla. 84. Propodosoma. 85. Dorsal side. 86. Ventral side. 
Loc.: Described from dry specimens collected in the following places: 
- Juan Fernandez, Masatierra, Rabanal, c. 300 m.s. m. among dry leaves 
in dense forest, Aug. 1917; in the bottom of the Rabanal Quebrada c. 400 
m. s. m. among dry leaves, Aug. 1917, no. 775; Puerto Ingles, c. 400 m.s. m. 
among dry leaves in dense forest, Aug. 1917, nos. 789, 790; below Co. Dama- 
juana near Corrales de Molina, c. 300 m. s. m. among dry leaves in dense 
forest, Aug. 1917, no. 739; on the Centinela ridge, c. 630 m. s. m. under ferns, 
Aug. 1917, no. 788. 
