18 



MARINE AND FISHERIES 



6-7 EDWARD VII., A. 1907 



PLATE IV. 



EiG. 1. Globigerina sp. 



2. Discorbina sp. 



3. Spirillina sp. 



4. Acanthoma echinoides. 



5. Acanthostaurus pallidus. 



6. Plagiacantha arachnoides. 



7. Diagram of ciliation of a Tintinnid after Lang. 



8. Tintinnus acuminatus. x 175 



9. Tintmnus obliquus. x 350 



10. Amphorella subulata. 



11. Codonella ventricosa. x 600 



12. Tintinnopsis campanula, x 250 



13. Tintinnopsis beroidea. x 600 



14. Tintinnopsis davidoffi. x 200 



15. Tintinnopsis davidoffi var: 



16. Tintinnopsis davidoffi var cylindrica. 



17. Tintinnopsis lobiancoi. 



18. Cyttarocylis denticulata gigantea. x 125 



19. Ptychocylis urnnla. x 250 



Fig. 1. Pluteus of Strongylocentrotus droebachiensis. 



2. Pluteus of Opbioglypha. 



3. Bipinnaria of Asterias vulgaris. 



4. Canu's Trematode egg ? 



5. Tomopteris Mariana. 



6. Polygordius larva. 



7. Mitraria larva. 

 8 ) ' 



Annelid larva (Nerine sp.) within egg-membrane. 



10. Provisional setae of larva. 



11. Another allied larva. 



12. Cyphonautes larva. 



13. Sagitta sp, 



14. Shell of Pteropod larva ? 



Fig. 1. Podon intermedins. 



2. Sculpture of shell of P. polyphemoides ? 



3. Evadne spinifera. 



4. Calanus finmarchicus, after Giesbrecht. 



5. Pseudocalanus elongatus. 



6. Centropages hamatus. 



7. Temora longicornis. 



8. Oithona plumifera. 



9. Tortanus discaudatus. 



10. Abdomen of Tortanus fem. with spermatophore attached to furca. 



11. Part of grasping antenna of Tortanus. 



12. llicrosetella atlantica. 



13. Harpacticus chelifer. 



14. Euthemisto compressa. 



PLATE V. 



PLATE VL 



