PLATE I 



i ir i nut ii»i Hoek. 



i Group "i animals; magnified 3,25 diameti 



l ; lastna dubium 11. sp. 



2. Animal, lateral view; magnified 3,6 diameters, 

 irina, lateral view; magnified 11 diameters. 

 1. Carina, lower pari, interna] view. magnified 11 diamei 



4. Maxilla; magnified 134 diameti 



5 -8. Poecilastna excavatutn n. sp. 



5. Animal, lateral view; magnified 4 diameters. 

 Fig. 6. Tergumj magnified ro diameters. 



I ig. 7. Carina, lateral view; magnified 8 diameters. 



i.Carina, lower part. external view; magnified 8 diameters. 

 Fig. 8. Caudal appem nified 36 diameters. 



1 . 9 — 10. Poecilastna excavatutn, varietas. 



vinmal. lateral \iew; magnified 5,3 diameters. 

 I . 10. Apex cf the scutum with the division of the tergum; magnified 36 diamei 



Poecilastna obliquum n. sp. 

 Fig. il. Animal seen from the right side; magnified 3,6 diameters. 



. ij. Animal from the left side ; magnified 3,6 diameters. 

 I ig. [3. Scutum of the left side. interval view; magnified 3,6 diameters. 

 1 ;. rergum of the right side, external view; magnified 36 diamet 

 irina, lateral view; magnified 3,6 diameters. 

 I i . 15^. Carina, interna! view; magnified 3,6 diamet 

 Fig. 16. Labrum, seen from above; magnified 36 diameters. 

 I ig. [6/i.Teeth of the labrum; magnified 180 diameters. 

 I . 17. Mandible; magnified 52,5 diameters. 

 is. Maxilla; magnified 52,5 diamat 



< luter maxilla; magnified 52,5 diameters. 

 . 20. Left cirrus of the fifth pair; magnified 36 diameters. 

 1 .21. Right cirrus of the fifth pair; magnified 36 diameters. 

 I 22. Caudal appendages; magnified 36 diamet' 



