214 A. e. OÜDEMANS, NOTES ON ACARI. 



anterior dark margins, the epimera III and between them a 

 quite lateral little triangular chitinization ; inside of' epimera 

 IV the narrow coxal plates. Behind trochanteres IV almost 

 the whole ventral side is unwrinkled, thus may be considered 

 as shielded. Laterally of the posterior part of the abdomen 

 the posterior (dorsal) shield is sufflexed considerably ventralward, 

 probably to clasp the female during the copulation. Hairs 

 minute : a pair between epimera I and II ; a pair outside of 

 the proximal end of epimera IV ; a pair before the genital 

 aperture ; a pair behind this opening and inward of trochan- 

 teres IV ; a pair close to the median line and a little more 

 backward ; and a pair before the anal suckers. Genital 

 aperture minute and on a line somewhat before the tro- 

 chanteres IV. Anal suckers on a line which may be 

 drawn through the top of the abdominal incision, so that they 

 are divided in two halfs by this line ; they pass the edge of 

 the abdomen, so that part of them is even visible in a dorsal 

 view of the creature (Fig. 19). 



Mandibles (Fig. 17) narrow, triangular, when viewed 

 dorsally. 



Maxillae (Fig. 18) normal, with minate knol) in the 

 throat. 



Legs shorter than the width of the abdomen, rather thick. 

 Legs IV reach with their caruncles the lateral pin of the horns. 



Habitat: Totanus totanus (L.). 



Patria. Probably it has the same geographical distribution 

 as its host. 



F o u n d by Mr. Motelay at Arcachon (France). 



Types in collection Trouessart. 



6. Avenzoaria australis (Oudms.). 



With Plate 11, fig. 30—32). 



1904. Pterolichus australis nov. sp. Oudemans in Entom. 

 Berichten, No 20, p. 194. 



