6. 



(db. a. C. OUDBMANS). NEW LIST OF DUTCH ACARI, II. 45 



Epistoma : fish-tail deeply split ; 

 each half of fish-tail dentate an- 

 teriorly and at its end, nearly bi- 

 furcate, resembling that oipisentii; 

 each slip of median bifurcate ap- 

 pendage longitudinally spht . .M. terreus (Can.et Fanz.) 



Epistoma otherwise 6 



Epistoma : each half of fish-tail den- 

 tate on end, and anteriorly only 

 at its base M. tridentinus(G.etR.Can.) 



Epistoma: each half of fish-tail 



asusual M. vagabundus (Beri.) 



53. Asca affinis Oudms., r.ov. sp. 

 (With Plate 6, fig. 109 and 410). 



Asca affinis , of which I found nywplae in decaying leaves , and 

 on Putorins vulgaris and P. pufcritis, is intermediate between 

 Asca aphidioides (L.) and Asca pelf aia (C. L. Koch^ 



The animal's levgih is 770 ^. ; its dorsal side (Fig. 109) is, 

 like in Ihe two above mentioned species, scaly, and the anterior 

 dorsal shield a good deal covering the posterior one. The hair on 

 the shoulders and two on the posici ior margin of the abdomen are 

 rod-like and distally fomewhat hairy. The right and left margins 

 of the posterior dorsal shield are crenulated. 



The sternal shield reaches beyond the 4th pair of legs, and ends 

 rounded (Fig. 110). The periirema runs till before the 1st pair 

 of legs. The abdomen is truncated posteriorly. 



54. Uropoda tecta Kram . 

 (With Plate 6, fig. 111). 



Larva. Berlese (Ac. Myr. Scorp. Ital. 41. 10) wrongly represents 

 the dorsal side of the larva. In stead of one dorsal shield the larv a 

 bears , behind this , three other smaller ones , corresponding more 



