PLATE 49. Various Objects. 



Figure 



1. Mixtures of oil and water (!NTK. p. xxxvii). a, water in oil ; b, c, oil in water. 



2. Oceania cruciata (ACALEPH.-S;), epidermis of. 



3. Oceania cruciata. a, b, stinging-capsules with filament included ; c, with fila- 



ment expelled. 



4. Diphyes Kochii (ACALEPH.E) ; organs of adhesion upon tentacles. 



5. Oceania cruciata, portion of margin of disk, slightly magnified. a, ovary; 



b, muscular bundles ; c, transverse vessel coming from the stomach ; d, mar- 

 ginal vessel ; e, /, tentacular filaments ; g, auditory organs. 5*, spermatozoa. 



6. Infusorial embryos of ACALEPH.ZE. 



7. 8, 9, 10. The same, further developed. 



11. Strobile-segments; a, magnified ; 6, natural size. 



12. Epidermis of Triton cristatus (water-newt). 



13. Ciliated epithelium from frog's throat. 



14. Alderia apiculosa. 



15. Alderia pyriformis. 



16. Hcemocharis, epidermis of. "^ 



17. Hcemocharis, transverse section of muscular fibres. 



18. Hcemocharis, muscular fibre, showing the sarcolemma. LANNULATA 



19. Hcemocharis, margin of cephalic disk, with branching mus- [ 



cular fibres c ; and, a, b, d, glands and ducts. 



20. Aphrodita aculeata, hair of, treated with potash. J 



21. Blood-corpuscles, human, a, d, surface view at different foci ; c, side or edge 



view ; b, colourless or lymph-corpuscle ; e, coloured corpuscles altered, either 

 spontaneously or by mixture with foreign matters, as urine, &c. ; /, corpuscle 

 changed by tannic acid. 



22. Blood-corpuscles of the goat (Capra hircus). 



23. whale (Balcena). 



24. ostrich (Strufhio}. 



25. pigeon (Columba). 



26. stickleback (Gfasterosteus aculeatus). 



27. loach ( Colitis fossilis) ; 6, colourless corpuscle. 



28. frog (Rana temporaria) ; 6, colourless corpuscle ; c, d, 



the same altered by water. 



29. triton (Triton cristatus) ; 6, colourless corpuscle ; c, c?, 



e, /, altered coloured corpuscles. 



30. Siren', 6, colourless corpuscle. 



31. crab (Carcinus). 



32. spider (Tegenaria domestica^). 



33. cockroach (Blatta orientalis). 



34. 99 worm (Lumbricusterrestris). a, corpuscle partly drawn 



out, as occurs with the bodies of some Infusoria. 



35. '' garden-snail (Helix asjpersa). 



36. human, coloured, undergoing division. 



37. Blood, human, in coagulation ; b, colourless corpuscle. 



38. Cartilage of the ear of a mouse ; the fat is partly removed from the cells. 



39. Cartilage of human rib. 



40. Cartilage of human epiglottis. 



41. Connective tissue, human, with fat-cells. 



42. Formation of connective tissue from cells. 



