(dr. a. c. otjdemans). notes on acari. 125 



of the legs are leaf-shaped with serrated sides (Fig. 41). Moreover 

 there are smooth tactile hairs (Fig. 42) between the leaf-like ones. 

 First leg 2755 lu; second leg 1682 /x; third leg 2262 ^; fourth 

 leg 3915 /i. 



Habitat under bark of Abies excelsa. 



Patria: Germany. 



Type: in collection Oudemans. 



Found by Mr. J. D. Alfken, of Bremen, near Bremen. 



11. Eremaeus confervae (Schrank.) 

 (Witte Plate 7, fig. 46, 47) 



Eremaeus confervae (Schrank), nymjiha, Oudms. in Entom. Bericht, 

 p. 102. 



Nympha. By the courtisy of Mr. Van Kempen of Amsterdam, 

 I am in the opportunity to describe the nympha of this species. 

 It resembles that of E. lacusfris (Michael). 



Length 400 ,«. — Colour brown with a wine hue. Shape 

 (Fig. 46) of the abdomen thick oval, abruptly broken off anteriorly 

 with a sinuous line; cephalothora.x triangular with rounded 

 rostrum. A line, curved forward on the céphalothorax runs from 

 the shoulders before the pseudostigmata and the interlamellar hairs. 

 Four lateral indentations are made to receive the legs. Pseudostig- 

 mata minute holes dorsally and anteriorly of the posterior portion 

 of the céphalothorax. Psendosfigmatic organs extremely fine, as long 

 as the half of the width of the cepiialothorax. Interlamellar hairs 

 near the pseudostigmata, stiff thick bristles. Lamellar hairs absent. 

 Bo&tral hairs small, wide apart, slightly curved ontwaid. Abdomen 

 provided with about 30 transverse ridges, which posteriorly follow 

 the rounded edge of the abdomen, anil with numerous granulations 

 between the folds or ridges. On each side 3 transparent bristles 

 (Fig. 47) serrated on one side. In the miildle of the posterior half 

 of the abdomen a pair of ditto. On the posterior edge and between 

 the six long curled intensely black long hairs, again two pairs of ditto. 



Legs reddish, with only a few hairs, especially on the tarsi. 

 Notable are on the femora and tibiae a small curved feathered 



