Responses of the luminescent land snailDyakia (Quantula) striata to natural and artificial lights J. J. CounsilmanP. P. Ong OriginalPaper Pages: 1 - 8
Children's access behavior to an observer: Age group differences at a day care center in Japan and their cultural implications Toshiyuki Sano OriginalPaper Pages: 9 - 20
The function of friends in preschoolers' lives: at the entrance to the classroom Hisako Shibasaka OriginalPaper Pages: 21 - 31
Vertical migration and spawning inNodilittorina exigua (Gastropoda: Littorinidae) Shun-ichi Ohgaki OriginalPaper Pages: 33 - 38
Assessment of aphid colonies by hoverflies. I maple aphids andEpisyrphus balteatus (de Geer) (Diptera: Syrphidae) Eiko Kan OriginalPaper Pages: 39 - 48
Mate recognition in two sympatric species of butterflies,Pieris rapae andP. melete Osamu OhguchiToshitaka Hidaka OriginalPaper Pages: 49 - 53
Responses to the host mine by two parasitic wasps,Dapsilarthra rufiventris (Hymenoptera: Braconidae) andChrysocharis pentheus (Hymenoptera: Eulophidae) Tuyosi SugimotoKazumichi KawadoKiyoshi Tadera Short Communications Pages: 55 - 58
The upright nesting behaviours on a vertical shore-wall in the three-spined stickleback,Gasterosteus aculeatus (leiurus form) Seiichi Mori Short Communications Pages: 59 - 62
Is the origin of non-migratory aphids compatible with the neo-darwinian theory?: A comment on Aoki and Kurosu Shin-ichi Akimoto Comment and Reply Pages: 63 - 64
Pemphigus “soldiers” and a defence of the generation-packing hypothesis: A response to Itô and Akimoto Shigeyuki AokiUtako Kurosu Comment and Reply Pages: 65 - 67
