132 Dll. 11. J. HAKSEN ON THE INOOLFIELLIDiE. 



EXPLANATION OP THE PLATES. 



Plate 14. 

 Ingolfiella abi/ssi, n. gen. et n. sp. 



Fig, 1. The animal ; X 28. 



2. Head and the two anterior thoi-aeic segments ; X 82. 



3. Distal part of the left antennula, from the outer side ; X 164. 



a., accessory flagellum ; o., olfactory sctai. 



4. Labrum, from below ; X 300. 



5. licft mandible, from below and a little from the outer side ; X 300. 

 C. Distal half of the left uiaudible, from behind and below ; X 380, 



L, movable lobe ; m., molar process. 



7. Right maxilhda, from below ; X 300. 



8. Eight maxilla, from below ; X 300. 



9. Ilypopharynx, from below; X 300. 



10. Right maxilliped, I'rom below ; X 300. 



11. Distal part of the hand and the following joints of the left first 



thoracic leg, from the outer side ; X 170. vi., sixth joint, containing 

 two small muscles ; vii., seventh joint ; c, claw ; p., process between 

 the real ]iosterior margin and the palm. 



12. Second loft prehensile liand, from the inner side ; X 187. p., process 



between the real posterior margin and the palm. 



13. Fourth left thoracic leg, from the outer side ; X 82. b., branehia. 



14. Distal part of the fourtli left thoracic leg ; x 170. vii., seventh joint ; 



('., claw. 



15. Fifth left thoracic log, from the outer side ; X 82, 



10. Distal part of the fifth left thoracic leg; X 170. vi., sixth joint ; 

 c, claw. 



17. Seventh left thoraoio leg, from the outer side ; X 82. 



18, The live posterior abdominal segments with their appendages; X 82. 



pi., third left pleopod. 



Plate 15. 

 Figs. 19-21. IiigoljicUa abyssi, n. sp. 



Fig. 10. Distal part of the first right uropod, from the inner side ; X 193. 



20. Second right uropod, from the muer side ; x 193. 



21. Third left uropod, from the outer side; X 240. 



Figs 22-83. IngoJfiella littoraUs, n. sp. 



Fig. 22. Head and first thoracic segment ; X 130. 



23. Distal part of the right antennula from the inner side ; X 310. 

 . 24. Distal part of the hand and following joints of the left first thoracic 

 leg, from the inner side ; X 310. 

 25. Second right thoracic leg, from the outer side; X 130. 



