(db. a. C. OUDEMANS). NEW LIST OF DUTCH ACARI, II. 43 



(Fig. 100) is small , at most three times as long as and as large 

 as the anus itself, oval, with the top turned backward. I cannot 

 discern a sternal shield. 



The deutonymplia undescribed too, measures 700 /«. Dorsally it 

 shows (Fig. lOi) hoo shields. All the dorsal hairs are hairy in their 

 distal half (like fig. 98) The shape of the epistoma (Fig. 103) is 

 between that of the .protonympha and of the adult. The legs resemble 

 those of the adult ; especially the armature of the 4th leg is cha- 

 racteristic that of J/, tildentlnus. The ventral shield (Fig. 102) is 

 not distinct; the anal shield seems to me to be larger than that 

 of the protonympha. The peritrema is perfectly resembling that 

 of the protonympha. 



50. Maerocheles terreus (Can. et Fanz.). 

 (With plate 6, fig. 104 and 105) 



Of this species I give here two better figures than those of 

 Berlese (Ac. Myr. Scorp. Ital. 52.7). Both the distribution of the 

 hairy hairs and the episloma are quite exactly represented by me, 

 whilst they were hitherto wrongly figured. 



When we contemplate this my figure of the epistoma, we un- 

 voluntarily ask whether Macr. pisejitii Beri, is a nyrnpha heteromorpha 

 of this species, or not. 



Berlese's figure of the ventral side of the mite is very well done. 



As to his figure 2 {Holostaspis terrestrls), I doubt of this animal's 

 belonging to the species in question. I should consider it as one 

 of the forms of M. longisplnosus (Kram,). 



51. Maerocheles vagabundus (Beri.) 

 (With Plate 6, fig. 106—108). 



Female. The female, still undescribed, is of about 980 /i. length 

 and a most beautiful creature ; its dorsal skin is marked with fine 

 chitinous areolae , which leave elevations between them , forming 



