xii ILLUSTKATIONS 



FIG. PAGE 



28. SECTION OF EMBRYO SEED OF GYMNOSPERM (Picea vulgaris) . 126 



29. FRUIT BUD OF ANGIOSPERM (Polygonum convolvulus) DURING 



FERTILIZATION: POLLEN GRAINS AND TUBES . . 127 



30. HABIT OF EQUISETUM (E. arvense) ..... 128 



31. HABIT OF CLUB-MOSS (Lycopodium clavatum) . . .129 



32. PLANARIA 184 



33. DISTOMUM 185 



34. COPEPODA .......... 186 



35. LOMECHUSA STRUMOSA F. 190 



36. TERMITOBIA ENTENDVENIENSIS . . . . . .191 



37. PHYSOGASTRE IMAGO OF Termitoxenia Assmuihi . . . 195 



38. ECITOPHYA SlMULANS . . . . . . .198 



39. BARNACLE, FORMS OF DEVELOPMENT ..... 204 



40. CIRRIPEDIA ......... 206 



41. SACCULINI CARCINI ATTACHED TO Carcinus Mcenas . . 207 



42. YOUNG FLOUNDER; EYES ON EACH SIDE . . . .208 



43. FLOUNDER GROWN; BOTH EYES ONE SIDE .... 208 



44. TURBOT, SHOWING EYES IN TRANSIT ..... 208 



45. TURBOT 210 



46. MEADOW LIZARD ; EFFECTS OF HEAT . . . . .212 



47. GREENLAND WHALE 215 



48. PEDIGREE CHART OF BEETLE FAMILY . . . face p. 228 



