ω-Feruloyloxyacids,a novel class of polar lipids in peat soil

This work has been supported by the Centre National de la Recherche Scientifique (C.N.R.S.) through the Action Thématique Programmée Matières Organiques des sols. We thank Dr. B. Guillet and Prof. B. Souchier, Centre de Pédologie Biologique du C.N.R.S., Nancy, for helpful discussions and advice in collecting the samples; we further thank E. Krempp and P. Wehrung for technical assistance in NMR and MS measurements.     

Cellulose biogenesis in bacteria and higher plants is disrupted by magnetic fields

This work was supported by a grant from Johnson &; Johnson to RMB. We 5 thank Dr. M. Schülein, Novo A/S, Bagsvaerd, Denmark for providing CBH.     

Carrier-mediated uptake of pyrrolizidine alkaloids in larvae of the aposematic and alkaloid-exploiting moth Creatonotos

We appreciate the technical assistance by E. Roth, U. Sachade, H. Söchting-Mayr, M. Weyerer. We thank for support the Fonds der chemischen Industrie and the Deutsche Forschungsgemainschaft (M.W.) and the Max-PlanckGesellschaft (D.S.).     

Natural rain forest fires in Eastern Borneo during the Pleistocene and Holocene

We thank B. Zentgraf for his basic and constructive ideas and his field support, R. Andi Abdoerrachman for logistic and technical support and E. Shimokawa, Kagoshima University, for providing a charcoal sample from Kutai National Park. We thank P. Becker-Heidmann, Isotope Dating Laboratory, University of Hamburg, for his immediate ¹⁴C-dating by Liquid Scintillation Counting, and Chr. Goedicke, Rathgen Research Laboratory, Staatliche Museen Preussischer Kulturbesitz Berlin, for immediate TL dating. M. A. Gill, C.S.I.R.O. Canberra, has critically reviewed this paper. This research was sponsored by the Volkswagen Foundation.     

(3R,4S)-Methyl-3-heptanol,the trail pheromone of the ant Leptogenys diminuta

We wish to thank Prof. V. Schurig (Tübingen) for lending us the columns for preliminary studies, and Prof. K. Mori (Tokyo), N. Frighetto and R. T. S. Frighetto (Erlangen) for optically active samples of 4-methyl-3-heptanol. This work was supported by the Deutsche Forschungsgemeinschaft.     

Pyrolysis — Gas chromatographic studies of the origins of the insoluble aliphatic component of peat

We thank Dr. T. C. Hoering of the Geophysical Laboratory, Carnegie Institution of Washington, Washington, D.C. for kindly providing GC-MS facilities. We also thank Dr. J. W. de Leeuw of the Delft University of Technology, Delft, The Netherlands for making available the results of the study on plant cuticles in advance. We wish to acknowledge the technical assistance of J. Zelibor of the University of Maryland, College Park, MD.     

Hearing of the Australian whistling moth,Hecatesia thyridion

We wish to thank I. Dadour for help with finding the moths. The audiogram recordings were done in the lab of W. Bailey at the University of Western Australia, Perth, and we thank for help with the setup. The study was supported by grants from The Danish Natural Science Research Council and The National Sciences and Engineering Council of Canada.     

Light intensity controls extracellular Ca2+ concentration in the blowfly retina

We thank Prof. K. Hamdorf and Dr. P. Hochstrate for critical discussion.     

Song acquisition and acquisition constraints in the nightingale,Luscinia megarhynchos

We thank R. Lange for tutoring the birds and his assistance in data analysis. The study was supported by the DFG (To 13/13).     

Magnetic-field-induced changes in the human auditory evoked potentials

We thank H. Thiel for technical help and Nicolet Instruments Company, especially M. Mosimann, Zürich, for the loan of a Nicolet Compact Four.     

A new tarsal gland in ants and the possible role in chemical communication

This work was supported by a grant from the National Science Foundation. We thank T. Rice for her assistance with the SEM micrographs.     

Parasite-dependent protocooperation

We thank A. Ferreira, UNESP, for his continued assistance in our studies, and E., A. and H. Fowler for their constant assistance and moral support.     

Context memorization in the song-learning of birds

We thank P. Marler and his colleagues at the Rockefeller Field Center for their discussion and constructive comments on this study. The study was supported by the DFG (To 13-4).     

A female norway rat,Rattus norvegicus,with x0 sex chromosome constitution

This work was supported by University of Malaya research grant. We thank the Butterworth Rodent Control Team, K. H. Chong and Che Rohani Che Wil for their assistance.     

An unusually rapid light-induced nitrate reductase mRNA pulse and circadian oscillations

We thank Dr. G. Gowry for the cDNA clone, and Dr. W. H. Campbell for the antibodies. This project is supported by grants from the Norwegian Research Councils NLVF and NAVF.     

A Rb-Sr age of glassy material from a lunar meteorite and its origin on the moon

We thank the National Institute of Polar Research, Japan, for providing the samples of Y-82192. This study was supported by a Grant in Aid for Scientific Research from the Ministry of Education, Science and Culture, Japan.     

Electrophysiological and morphological correlation of frog retinal ganglion cell classes

We wish to thank Dr. B. G. Grover for advice on recording from the eye cup preparation and J. Dames for her help with the English translation. The work was supported by a grant of the Deutsche Forschungsgemeinschaft to U.G. (Gr 276/19).