32 IVAR TRÄGARDH, (Schwed. Südpolar-Exp. 



lamellœ. From the stigmata towards the lamellar hairs there arc a pair of parallel 

 rows of small depressed areas. 



No tectopedia. Legs of the usual shape, but not so long, nor are the joints so 

 clavate as in those of many other species of the genus. Claws monodactyle, gradually 

 increasing from ist to 4th pair of legs. 



Long tactile hairs on each of tibia; I — IV and genua I and II. 



Length of leg I 0,35 mm, IV 0,4= mm. 



Abdomen very arched, without any markings; only two pairs of long hairs on 

 the dorsal side and three pairs at the hind margin. 



Locality- No. 14. One specimen. 



Synopsis of the geographical distribution of the Acari of the Swedish South 



Polar Expedition. 



Heicrogamastis clavtger n. g., n. sp 

 Trachygamasus Ohiini n. sp 

 Gamassllus Raccviizai (Trt) 

 Gamasiphis loricatus n. sp. . 

 Hydyogamasus antarctictis n. sp 

 KuUelaps grahamensis n. sp. 

 Zercon ttiberculatiis n. sp. 

 Tectopenlhalodis villosus (Tkt 

 Rhagidia megalochcla n. sp. 

 Bdelia antarctica n. sp. . . 

 Erythviiits antarct'uiis n. sp. 

 Orihata antarctica Mich. . . 



> . var tnajor n 



> aj/inis n. sp. ... 

 alata Hkkm. . . . 



Hermannia macronycktis n. sp 

 Carabodes tridactyhis n. sp. . 

 Notaspis antarctica MiCH. . 



> Belgicœ Mich. . . 

 Oribatiila Nordenskjoldi n. sp 



I Daffuciis citrtipes n. sp. . . 



Antarctic region. 



2- ^ — 



Subantarctic region, 



— , + 



+ - 



O 



