IIai-iskkt — The Acdn'.iKi nt Ike Scaihorc. 151 



DESCRIPTION OF PLATES. 



Plate XXL 

 Fig. 



1. Ithodacarus roscus Ouilm.s. var. pallidus Hull. «, Fenialc, iiiicler sirle. 



6, Male, front uf steniuni. 



2. Gamascl/us incrmis sp. uov. <(, Female, under side, h, Pore at end of 



dorsal shield, c, Steruum of male, d, Chelicerae of male. 



3. Hydrogamasus littoralis (G. et E. Can.j. Protonymph. 



4. Rijdrogamttsus Giardi (Berl. et Trouess.). Chelicerae of male. 



5. Pac/ii/lac/aps littoralis Halbt. a, Female, under side, h, Tarsus of second 



leg seen from below, e, Male, under side, d, Armature of second 

 leg. 



6. Laelaps denttdus sp. uov. a, Female, under side, b, Male, under side. 



c, Anterior part of sternum, d, Chelicerae seen from below. 

 e, Fourth segment of second leg. 



7. Lasioseius sa/imis sp. nov. Female, a, Under side, b, Extremity of 



fourth leg seen from below. 



8. Lasioseius fucicola sp. nov. Male, a, V])\)er side, h, Dorsal spine. 



c. Under side, d, Capittilum and first tarsal segment seen from 

 below. 



Plate XXII. 



9. Thinoseius Bciicsii gen. et sp. nov. Female, a, Upper side, b, Under 



side, c, Chelicerae. d, Ambulacrum, c, Nymph, under side. 



10. Thinozcreon Michaeli Halbt. Female, under side. 



11. Phauloci/lliba littorcdis (Trouess.). Male, under side. 



12. Phaidodini/chm rcpletus Berl. «, Upper side, i, Nymplia homeomor])ha, 



under side. 



13. Fhaidodini/chtis orchcstiidarum (Barrois). a, L^pper side, b. Female area 



genitalis, c, Fossula pedale of fourth leg. d, Tritosternum. 



14. Tmchyuropoda minor (Halbt.). Upper side. 



15. Oribiitit quadrivertec sp. nov. a, Upper side, i, Pseudostigniatic organ. 



16. Oribidulii saxicola sp. nov. n, Upper side. /', I'seudostigmatic organ. 



17. Scutovertex Sjioofi Oudms. ", Upper side. b. Claw armature. 



18. iSciitovcrtc'x hilincattts Michael. Claw armature. 



