PLATE II 



F"ig. I — 7. Dichelaspis Nierstraszi n. sp. 



Fig. I. Animal, lateral view; one of the large, hairy specimens collected at Station 258, Tual 



Anchorage, Kei Islands; magnified 11 diameters. 

 Fig. 2. Animal, lateral view, made transparent; magnified 11 diameters. 

 Fig. 2rt. Very young specimen; magnified 11 diameters. 



Fig. 3rt and ib. Scutum and tergum of a young specimen; magnified 28 diameters. 

 Fig. 4rt and A,b. Scutum and tergum of a full-grown specimen; magnified 28 diameters. 

 Fig. 5. Carina, lateral view, of a full-grown specimen; magnified 11 diameters. 

 Fig. 5^. Carina, lower part, internal view; magnified 1 1 diameters. 

 F"ig. 6. Mandible; magnified 180 diameters. 

 Fig. 7. Maxilla; magnified 180 diameters. 



Fig. 8 — 13. Dichelaspis Tydeviani n. sp. 



Fig. 8. Animal, lateral view, made transparent; magnified 34 diameters. 



Fig. 9. Scutum; magnified d^ diameters. 



Fig. lo. Tergum; magnified 63 diameters. 



Fig. II. Carina, lower part, internal view; magnified 63 diameters. 



Fig. 12. Mandible; magnified 356 diameters. 



Fig. 13. Maxilla; magnified 356 diameters. 



Fig. 14 — 18. Dichelaspis orthogonia Darwin. 



Animal, lateral view; magnified 10,3 diameters. 



a. Scutum; b. Tergum; c. Carina; magnified 10,5 diameters. 



Termination of the carina, external view; magnified 28 diameters. 



Maxilla; magnified 254 diameters. 



A specimen of the same species from another Station; magnified 11 diameters. 



