Molecular organization of excitatory chemical synapses in the mammalian brain E. D. GundelfingerS. tom Dieck REVIEW ARTICLE Pages: 513 - 523
Three dimensional path integration in the house mouse (Mus domestica) Paul M. BarduniasR. Jander SHORT COMMUNICATION Pages: 532 - 534
Involvement of opioid peptides in the regulation of reproduction in the prawn Penaeus indicus P. Sreenivasula Reddy SHORT COMMUNICATION Pages: 535 - 538
Enzymatic activation of lignin leads to an unexpected copolymerization with carbohydrates A. HüttermannA. MajcherczykA. H. Hüttermann SHORT COMMUNICATION Pages: 539 - 541
A new type of infrared organ in the Australian "fire-beetle" Merimna atrata (Coleoptera: Buprestidae) H. SchmitzA. SchmitzHorst Bleckmann SHORT COMMUNICATION Pages: 542 - 545
Non-discriminatory incorporation of l-phenylalanine and l-tyrosine into cinnamoyl part of mulberroside A, a stilbene di-glucoside, in Morus alba cell cultures M. ShimazakiY. HanoT. Nomura SHORT COMMUNICATION Pages: 546 - 548
Agro-predation: usurpation of attine fungus gardens by Megalomyrmex ants R. M. M. AdamsUlrich G. MuellerBeth Norden SHORT COMMUNICATION Pages: 549 - 554
Low chitinase activity in Acacia myrmecophytes: a potential trade-off between biotic and chemical defences? M. HeilChristian StaehelinD. McKey SHORT COMMUNICATION Pages: 555 - 558
A molecular phylogenetic analysis of the neotropical dart-poison frog genus Phyllobates (Amphibia: Dendrobatidae) A. WidmerS. LöttersK.-H. Jungfer SHORT COMMUNICATION Pages: 559 - 562
Communal peeing: a new mode of flood control in ants Ulrich MaschwitzJ. Moog SHORT COMMUNICATION Pages: 563 - 565
Variation in the heritability and evolvability of human lifespan H. Korpelainen SHORT COMMUNICATION Pages: 566 - 568
