404 



Pl. IX. Fig. 1. Cypraea maculata. 

 ■ 2. C. eburnea. 



3. Dolium dentatum. 



4. Voluta harpa. 

 Pl. X. Pleuraphis Jamesii. 



Fig. 1. A plant of the natural size. 



2. A congeries of spikelets. 



3. The same, separated. 



4. A lateral spikelet. 



5. The same magnified. 

 6 — 7. Glumes of the same. 



8. Corolla. 



9. Inferior valve of the same. 



10. Stamens. 



11. Central spikelet. 



12. The same magnified. 

 13 — 14. Glumes of the same. 



15. Corolla. 



16. Inferior valve of the same. 



17. Superior valve. 



18. Stamens. 



19. Germens, styles and stigmas. 



20. Nectaries. 



Pl. XI. Coleopterous Insects of North America. 

 Fig. 1. Bruchus lividus. 



2. Mycetophila rufipes. 



3. Anthicus murinipennis. 



4. Anthrenus haemorrhoidalis. 



5. Hister dimidiatipennis. 



6. Attelabus nigripes. 



7. Cryptorynchus moestus. 



8. Eccoptus minutus. 



9. Anthonomus suturalis. 



10. Pissodes squamosus. 



11. Obrium dentatum. 



