66 A. e. ÜUDEMANS, NOTES ON ACARI. 



5. 



1. 



Legs III and IV with ambulacral caruncle 



4 Chirodiscus Tit. Neura. 

 Legs III and IV without ambulacral caruncle 



5 Lahidocarpus Trt. 

 Legs III and IV in cT and o equal in shape 6 Tì^ichoeciusCan. 

 Legs III and IV in d" and ^ unequal in shape 7 My ocoptes Clap. 



Ill Acarinae. 



Anus terminal 2 



Anus dorsal .3 



$ legs I and II with ambulacrum ... 1 Acarus L. 

 o all the legs without ambulacrum 2 Cnemidocojytes F iirsth. 

 c?" legs III without ambulacrum . . 3 Notoedres Raill 

 cT legs 111 and IV with ambulacrum 4. Frosopodectes Can. 



IV Dermoglyphinae. 



Anterior dorsal shield only 2 



Two dorsal shields. 3 



Body elongate 1. Dermoghjplms Mégn. 



Body short and round .... 2. Sphaerogastra Trt. 

 Body with median conical prolongation 



3. Anasicydium Trt. Neum. 



Body without such 4 



(T legs IV equal to r legs IV 5 



(^ legs IV thick and without ambulacrum ... 6 

 Legs III and IV marginal ... 4. Pterolichus Rob. 

 Legs III and IV submarginal . . 5. Krameria Haller 

 cT tibia IV without thorn .... 6. Xoloptes Can. 

 (f tibia IV with internal thorn forming pincers with tarsus 



7. Neumannia Trt, 



