LIST OF TEXT-FIGUHES. 



1910, pp. 1-588. 



Page 



1. Ventral view of claspers of Neptis agatha and N. jordani 83 



2. Mimacrcea marshalli Trim., on a tree-trunk 42 



•3. Thynnus alalonga 109 



4. Thynnus albacora 110 



5. Thynnus obesus 112 



6. Pagurus imperator 121 



7. Cliromodoris zebra ITeilprin 139 



8. Egg-mass of Cliromodoris zebra Heilprin 140 



9. Facelina agari, sp. n 142 



10. Polycerella zoobotryon, sp. n 144 



11. Sixth Thoracic Appendages of Diaptomus castor, Metadiaptomus, 



and Adiaptomus natalensis 162 



12. Posterior region of the body of Canthocamptus ? 164 



13. Cucumaria turbinata, showing internal organs 170 



14. Table, perforated plate, and miliary granules of Cucumaria 



turbinata 171 



15. Spicules of Mtilleria lecanora 174 



16. Various forms of spicules of Miilleria mauritiana 174 



17. Spicules of Holothuria dqfleinii 178 



18. Spicules and calcareous ring of Cucumaria semperi 186 



19. Calcareous ring of Colochirus cucumis 188 



20. Spicule and calcareous ring of Thyone sacettus 189 



21. Calcareous ring and plate-like spicules of Actinocucumis typica . 191 



22. The aorta and pulmonary artery of Hippopotamus 224 



23. Interior of right ventricle of Hippopotamus 225 



24. Interior of right auricle of Hippopotamus 227 



25. Commencing aorta of Hippopotamus 230 



