504 DESCRIPTION OF PLATES. 



PLATE VI. CRUSTACEA, ARACHNIDES, &c. 



Fig. 1. Lepas anatifera. 



2. Serpula vermicularis. 

 3, 4. Balamis communis. 



5. Dentalium dentalis. 



6. Dentalium entalis. 

 7 Halithea aculeata. 



8. Pontobdella spinulosa. 



9. Gecarcinus ruricola. The Land Crab. 



10. Pinnotheres pisum. 



11. Pagurus Bernhardus, in the shell of Buccinum undatum. 



12. Crangon vulgaris. The Shrimp. 



13. Orchestia littorea. 

 14?. Ligia oceanica. 



15. Scorpio Europaeus. The Scorpion. 



1 16. Atypus Sulzeri. 



17. Nymphon gracile. 



18. Chelifer fasciatus. 



19. Sirorubens. 



20. Glomeris marginata. 



21. Craspedosoma Raulinsii. 



22. Cryptops hortensis. 



PLATE VII. INSECTS. 



Fig. 1. Machilis polypoda. An insect of the order Thysanoura. 



2. Cicindela sylvatica. An insect of the order Coleoptera. 



3. Dytiscus marginalis. An aquatic insect of the order Cole- 



optera. a, larva of ditto. b, pupa. 



4. Gyrinus natator. 



5. Staphylinus major. 



6. Lampyris noctiluca male. 



7. The female of ditto. 



8. Hister unicolor. 



9. Byrrhus pilula. 



10. Necrophorus vespillo. 



11. Melolontha vulgaris. 



12. Cantharis vesicatoria. 



13. Cassida viridis. 



14. Coccinella septempunctata. c, larva of ditto d, pupa. 



15. Acridium migratorium. An insect of the order Ortkoptera. 



