GUEST EDITORIAL
Water Fluoridation and Osteoporosis ... 1-3

ORIGINAL ARTICLES
Hydrogeochemistry of Fluoride in the Drought-Prone Hard-Rock Regions of Peninsular India
  V Ramesam, New Delhi, India ... 4-10

Case History of Acute Poisoning by Sodium Fluorosilicate
  N Dadej, K Kosimider, Z Machoy,
  D Samujilo, Szczecin, Poland ... 11-13

Soil Response and Alfalfa Fluoride Content As Affected by Irrigation Water
  Rosa M de Troiani, Teresa M Sánchez
  and Raú S Lavado,
  Santa Rosa, Argentina ... 14-17

The Fluoride Content of Chinese and Black Teas Availabie in Hong Kong
  NM King, and MCK Tsang,
  Hong Kong ... 18-23

Effect of Borax in Treatment of Skeletal Fluorosis
  LY Zhou, ZD Wei, SZ Ldu,
  Guizang, Guizhou, China ... 24-27

Spinal Cord Studies in Fluorotic Dogs
  D Raja Reddy, JMK Murthy,
  and Suguna Rama Mohan;
  Hyderabad, India ... 28-29

Fluoride Analysis of Milk in Japan
  Yoko Bessho, Misako Tomita
  and Yoshihiro Kaneko;
  Tokyo, Japan ... 30-35

ABSTRACTS
The Relationship of Bone Mass and Fracture History to Fluoride and Calcium Intake: A Study of Three Communities
  MaryFran R Sowers,
  Robert B Wallace, and Jon H Lemke,
  Ithaca, New York ... 36

Hip Fracture Incidence Not Affected by Fluoridation
  Ilkka Arnala, Esko M Alhava,
  Reijo Kivivuori, Pentti Kauranen,
  Kuopio, Finland ... 36-37

Variations Among Fluoride Concentrations of Water From Domestic Wells in a Four-County Area
  Mark D Siegal, Elizabeth T Degnan,
  Columbus, Ohio ... 37

The Effect of Fluoride on Fertilized Eggs of A Freshwater Fish, Catla catla (Hamilton)
  KS Pillai and UH Mane,
  Aurangabad, India ... 38

Effect of Fluoride on Morphological and Metabolic Modifications in HeLa Cell Culture
  LS Strochkova, AA Zhavoronkov,
  AP Avtsyn, Moscow, USSR ... 39

The Concentration of Fluoride in Different Dairy Products
  JP Garrec and R. Plebin,
  Grenoble, France ... 39

Acute Fluoride Poisoning After Ingestion of Sodium Fluoride Tablets
  PA Monsour, BJ Kruger,
  AF Petrie, and JL McNee,
  Univ of Queensland, Australia ... 40-41

Experimental Acute Sodium Fluoride Poisoning in Sheep: Renal, Hepatic, and Metabolic Effects
  M Kessabi, A Hamliri, JP Braun,
  AG Rico; Rabat, Morocco ... 41-42

Fluorides and Fluorosis in Kenya. Part I: The Occurrence of Fluorides
  Firoze Manji and Sunil Kapila,
  Nairobi, Kenya ... 42-43

Fluoride Uptake and Retention at Various Stages of Rat Molar Enamel Development
  JW Bawden, P McLean, TG Deaton,
   Ann Arbor, Michigan ... 43

The Influence of Fluoride Recovery Alumina on the Work Environment and Health of Aluminum Potroom Workers
  A Lie, and W Eduard,
  Oslo, Norway ... 44

Changes in the Fluoride-Induced Modulation of Maturation Stage Ameloblasts of Rats
  PK DenBesten, MA Crenshaw,
  and MH Wilson,
  Boston, Massachusetts ... 45

Fluoride Absorption: Independence from Plasma Fluoride Levels
  by GM Whitford and JL Williams,
  Augusta, Georgia ... 46

Effect of Endogenous Phosphoenolpyruvate Potential on Fluoride Inhibition of Glucose Uptake by Streptococcus Mutans
  GR Germaine and LM Tellefson,
  Minneapolis, Minnesota ... 46-47

The Inhibition of Rat and Guinea Pig Cholinesterases by Anionic Hydrolysis Products of Methylphosphonic Difluoride (Difluorio)
  AR Dahl, CH Hobbs, and TC Marshall,
  Albuquerque, New Mexico ... 47

Features of the Modifying Capacity of Mutations in Aegilops Seeds produced Under Various Ecological Conditions
  GK Ragimova, AE Kul'gavin,
  and UK Alekperov,
  Baku, USSR ... 48

BOOK REVIEW
Report on the Third Fluorine Symposium in Szczecin (Poland)
  Z Machoy, Szczecin, Poland ... 49-50