1. Announcement

   Announcement Pages: I - II

2. Environmental disturbance and estuarine benthos functioning

   • R. Warren Flint
   • Richard D. Kalke

   OriginalPaper Pages: 501 - 511

3. Effect of the aquatic herbicide endothal on the critical thermal maximum of red shiner,Notropis lutrensis

   • John C. C. Takle
   • Thomas L. Beitinger
   • Ken L. Dickson

   OriginalPaper Pages: 512 - 517

4. Detection of dibenzothiophene in mussel,Mytilus edulis, as a marker of pollution by organosulfur compounds in a marine environment

   • S. Kira
   • T. Izumi
   • M. Ogata

   OriginalPaper Pages: 518 - 525

5. Toxicity of carbaryl and 1-naphthol to goldfish (Carassius auratus) and killifish (Fundulus heteroclitus)

   • Thomas B. Shea
   • Eugene S. Berry

   OriginalPaper Pages: 526 - 529

6. Effects of embryonic pre-exposure to methylmercury and Hg²⁺ on larval tolerance inFundulus heteroclitus

   • Peddrick Weis
   • Judith S. Weis

   OriginalPaper Pages: 530 - 534

7. Influence of an elevated cadmium level in the food on growth and food conversion ofNereis succinea

   • H. -G. Neuhoff

   OriginalPaper Pages: 535 - 542

8. Differential toxicity of malathion, BHC, and carbaryl to the freshwater fish,Tilapia mossambica (peters)

   • S. Mahaboob Basha
   • K. Siva Prasada Rao
   • K. V. Ramana Rao

   OriginalPaper Pages: 543 - 546

9. An inexpensive, floating, insect-emergence trap

   • Robert M. Cushman

   OriginalPaper Pages: 547 - 550

10. Dislodgeable insecticide residues on cotton foliage: Comparison of ULV/cottonseed oil vs. Aqueous dilutions of 12 insecticides

    • G. W. Ware
    • N. A. Buck
    • B. J. Estesen

    OriginalPaper Pages: 551 - 558

11. Mass balance of¹⁴C-pentachloronitrobenzene and metabolites in a closed, aerated soil-plant or soil-system

    • M. Kamal
    • I. Scheunert
    • F. Körte

    OriginalPaper Pages: 559 - 565

12. Trace metal distributions in the surficial sediments of Penobscot Bay, maine

    • Peter F. Larsen
    • Vincent Zdanowicz
    • Anne C. Johnson

    OriginalPaper Pages: 566 - 573

13. Heavy metal content of rainwater in Geneva, New York during late 1982

    • Carl F. Aten
    • John B. Bourke
    • John C. Walton

    OriginalPaper Pages: 574 - 581

14. Concentration of diazinon in air of a retail garden store

    • Timothy Wachs
    • Walter H. Gutenmann
    • Donald J. Lisk

    OriginalPaper Pages: 582 - 584

15. Propachlor herbicide residue studies in cabbage using modified analytical procedure

    • Donald T. Warholic
    • Walter H. Gutenmann
    • Donald J. Lisk

    OriginalPaper Pages: 585 - 587

16. Confirmation of residue identity: Characterisation of the products of the reaction between vanadium (II) solutions and endrin

    • D. E. Clegg
    • G. Patch

    OriginalPaper Pages: 588 - 594

17. Effect of 2,4-D on electron transport system (ETS) activity and respiration in soil

    • J. T. Trevors
    • M. E. Starodub

    OriginalPaper Pages: 595 - 598

18. Effects of purified pentachlorophenol on the serum proteins of young pigs

    • Robyn P. Hillam
    • Yvonne A. Greichus

    OriginalPaper Pages: 599 - 604

19. Uptake and distribution of mercury in mice from ingesting soluble and insoluble mercury compounds

    • Y. M. Sin
    • Y. F. Lim
    • M. K. Wong

    OriginalPaper Pages: 605 - 612

20. Disposition of chlorinated diphenyl ethers isolated from technical pentachlorophenol in the rat

    • W. H. Newsome
    • F. Iverson
    • S. L. Hierlihy

    OriginalPaper Pages: 613 - 618

21. Structure-activity relationship in organophosphateinduced β-glucuronidase release from rat hepatocytesin vitro

    • Xin -fu Leng
    • Tsutomu Nakatsugawa

    OriginalPaper Pages: 619 - 624