1 ÒO (DR. A. C. OUDEMANS). NOTES UN ACARI. 



.p. ^ Epistoma rounded . 



' Epistoriìa otlierwise - 



. _ L Body long-oval . 



' Body short-ovai . 



. rj ( Body well-shouldered 



' Body not sliouldered 



17 



20 



H. Iiypudaei (Oudins.) 



•18 



li bombicolens (G. Can.) 



H. oophilus (Wasm.) 



19, 



20. 



^ Legs 2 thicker than 1, 3, 4. H. krameri (G. et R. Can.) 



^ Ail the legs thick .... H. celeripediformis(Oudms.) 



^ Epistoma with 3 spines , . H. eossi (A. Dug. 



' Epistoma pointed .... H. greeni (Oudms). 



12. Liponyssus lepidopeltis (Kili.) 



(With Plate 10 fig. 9- 19). 



Nympha. hengtli 360 — 528 /'. — Colour white, or pale. — 

 Shape like that of the nympba of lÀponyssufi muscidl (L. C. Koch). — 

 Dorsal side (Fig. 9). Shoulders and sinuations above coxae 1 

 distinct; sides nearly parallel lines; posterior abdomen rounded. 

 Surface finely wrinkled, except on the shields. There are two large, 

 scaly, and 8 intermediate shields; tlie anterior is subpentagonal , 

 with 6 paiis of larger marginal stiff hairs, and 4 pairs of smaller 

 inner dito; the posterior is subpentagonal with top turned for- 

 ward, and with four pairs of larger marginal and three pairs oi 

 smaller inner hairs. On the striated soft skin , surrounding the 

 shields there are 8 pairs of marginal and two pairs of internie 

 diate stiff' hairs, which are nearly of tlie same size as the marginal 

 hairs of the shield. 



Ventral side (Fig. 10). The sternal shield is pentagonal, dis- 

 tinctly scaly, with 6 bail's; the anal shield oval, with the us- 

 ual three liaii's and top turned backward. Cribrum present. 

 Between the sternal and anal shields four pairs of hairs. 



Legs shorter than body (Fig. 9), not much longer than its 

 breadth. Femur 1 and 2 provided with the usual spines. Coxa 2 

 with spur turned forward (Fig. 10). 



Male. Length about 480 p. — Colour pale; dorsal shield darker, 

 straw-coloured. — Shape ë[onga.ie, l)ermaiij/ssus-\\ke. Bodi/ {Y\^ 11) 

 well shouldered, with sinuation above coxae 1. Largest breadth 



