A. C. OUDEMANS, NOTES ON ACARI. 69 



IX. Avenzoariinae. 



One genus only 1 Avenzoaria Oudms, 



X. Proctophyllodinae. 



MALES. 



Legs III and IV subequal in thickness 2 



Leffs III thicker than legs IV 6 



Less IV thicker than legs Til ^- 



Abdomen truncate 1 Froctophi/Uodes Rob. 



Abdomen deeply cleft (lobes sometimes united) . . 3 



Lobes of cleft abdomen free 4 



Lobes of cleft a' dornen again united 5 



I Penis lonjy and thin 2 Pterodectes Rob. 



■ I Penis very small 3 Pteropiiagus Mégn. 



5. One genus only 4 Trouessartia Can. 



6. One genus only 5 Allanalges Trt. 



7. One genus only. ....... 6 Alloptes Can. 



FEMALES. 



I Lobes of abdomen articulate with abdomen ... 2 



1. r 



\ Lobes of abdomen not such ^ 



I With epigynium ^ 



' I Without such ^ 



i Epigynium arch shaped ... 1 Proctophyllodes Rob. 



' j Epigynium horse-shoe shaped ... 2 Pterodectes Rob. 



4. One genus only 3 Pterophagus Mégn. 



Lobes of abdomen very long " 



n 



Lobes of abdomen short 



Legs IV slightly longer and thicker than legs III 



4 Troiiesnartia Can. 

 Legs IV equal to legs 111 ... . 5 Allanalges Trt. 

 One genus only ^ Alloptes Trt. 



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