283 



There are tioo clorsal shields (Fig. 1) provided with short, stiff 

 hairs. There is (Fig. 2) one sterni-genital shield (like in Ilydro- 

 gamasus) and one ventri-anal shield occupying the whole venter 

 (like iu Hydrogamasus). On the posterior margin of this shield 

 5 bristles (like in Hydrogamasus). The peritrema is long, reaching 

 till before the coxae 1 (like in Hydrogamasus). I don't observe 

 any jugular shields, hut my single specimen is badly preserved. 

 The femurs 1, 2 and 3, the genu 3, and the tarsus 2 are pro- 

 vided with chitinous thumblike tubercles. The mandible (Fig. 4) 

 (wrongly represented by Moniez) is provided with teeth only on 

 the distal fourth part of the fingers; the movable finger bears 

 ara S" süa P e( ^ appendage (like in Hydrogamasus), split at its 

 distal half (Fig. 4 and 5). The ambulacra (Fig. 3) have a thin 

 membraue between the claws and two accessory claws (like in 

 Hydrogamasus). The animal consequently differs from Hydroga- 

 masus only in its doublé dorsal shield and probably too in having 

 no jugular shields. 



12. Parasitus eyertsi Oud nis., nov. sp. 



(With Plate VIII, fig. ti-8). 



Female. Length 980 [*. — Colour like that of Parasitus cornu- 

 tus, furcatus, kempersi. — Shape ditto. 



Dorsal side (Fig. 6). There are two dorsal shields, just as in 

 the above mentioned allied species. The skin is scaly. On the 

 auterior dorsal shield we observe six rod-like hairs, four on the 

 level of the shoulders, two in the hind part. On the same level 

 as these there is a great pore in the lateral posterior angle, most 

 probably on opening of a glaud. The two vertical hairs are strong 

 bristles. — The posterior dorsal shield has only close to its post- 

 erior margin four more or less curved rod-like hairs, though 

 smaller than those of the anterior shield, about as long as the 

 vertical hairs. 



Ventral side (Fig. 7). All the shields, except the genital shield, 

 have coalesced ; genital shield free. The sternal shield nearly quadr- 

 angular, with posterior margin excavated, with an edge like au 



