Do insects feel pain? — A biological view C. H. EisemannW. K. JorgensenM. P. Zalucki Minireview Pages: 164 - 167
Equilibrium constant for calcium ion and ascorbate ion C. S. Tsao Short Communications Pages: 168 - 170
Induction of heart alterations by immunization with subcellular fractions fromCrithidia fasciculata P. M. Cabeza MeckertJ. J. CazzuloR. P. Laguens Short Communications Pages: 171 - 173
Erythrocyte membrane lipid peroxidation in iron deficiency anemia M. RamachandranG. Y. N. Iyer Short Communications Pages: 173 - 174
Skinned smooth muscle: Time course of force and ATPase activity during contraction cycle K. GüthM. GagelmannJ. C. Rüegg Short Communications Pages: 174 - 176
Trans-epoxide hydrolase: A key indicator enzyme for herbivory in arthropods C. A. MullinB. A. Croft Short Communications Pages: 176 - 178
Identification of raffinose in honeydew A. LombardM. BuffaA. Patetta Short Communications Pages: 178 - 180
Dinemorphan N-demethylation by mouse liver microsomes P. G. GervasiD. BenettiG. Turchi Short Communications Pages: 180 - 182
Migration and dispersal of spermatozoa in spermathecae of queen honeybees (Apis mellifera L.) R. E. Page JrR. B. KimseyH. H. Laidlaw Jr Short Communications Pages: 182 - 184
Quercetin interacts with calmodulin, a calcium regulatory protein H. NishinoE. NaitohK. Umezawa Short Communications Pages: 184 - 185
The effect of charatoxin, 4-methylthio-1,2-dithiolane, on the frog sartorius neuromuscular junction L. E. NielsenL. -E. K. Pedersen Short Communications Pages: 186 - 188
Influence of posttreatment temperature on the toxicity of pyrethroid insecticides to susceptible and resistant larvae of the Egyptian cotton leafworm,Spodoptera littoralis (Boisd.) M. R. Riskallah Short Communications Pages: 188 - 190
Calcium dobesilate (Doxium) as a prostaglandin synthetase inhibitor in pregnant human myometrium in vitro G. FalkayL. Kovács Short Communications Pages: 190 - 191
Free radicals and aflatoxin biosynthesis C. FanelliA. A. FabbriS. Passi Short Communications Pages: 191 - 193
Physiological state of submitochondrial particles and their susceptibility to Triton X-100 F. M. GoñiJ. M. ValpuestaJ. M. Macarulla Short Communications Pages: 193 - 195
Effect of carbon particles on the recovery of bone marrow stem cells after irradiation in LPS-resistant C3H/HeJ mice J. FujitaO. YoshidaK. J. Mori Short Communications Pages: 195 - 196
Mast cells enter a teleost's brain by Xth cranial nerve in response toDiplostomum phoxini (Trematoda) N. M. Ali Short Communications Pages: 197 - 198
Effect of host age on the expression of acquired resistance to ticks S. J. Brown Short Communications Pages: 199 - 200
Onset of mitosis after cell cycle blockage induced by cycloheximide in root tip cells F. LévyJ. Lipszyc Short Communications Pages: 202 - 203
A Y-translocation method for localizing enzyme genes onDrosophila polytene chromosomes D. SperlichW. Pinsker Short Communications Pages: 203 - 206
Intramitochondrial inclusions in maturing and senescent muscle cells of rat myocardium J. CanoA. Machado Short Communications Pages: 206 - 207
A chromosome study ofScarites occidentalis (Coleoptera, Caraboidea) J. Serrano Short Communications Pages: 208 - 209
The sperm attractant ofHormosira banksii (Phaeophyceae, Fucales), a seaweed common to Australia and New Zealand D. G. MüllerM. N. ClaytonL. Jaenicke Short Communications Pages: 211 - 212
Volatile compounds associated with estrus in mouse urine: Potential pheromones F. J. SchwendeD. WieslerM. Novotny Short Communications Pages: 213 - 215
Respective roles of circulating T4 and T3 in control of TSH secretion in severely iodide-deficient rats J. B. RognoniTh. Lemarchand-BéraudC. Berthier Short Communications Pages: 215 - 217
Identification of a testosterone-dependent unique volatile constituent of male mouse urine: 7-exo-ethyl-5-methyl-6,8-dioxabicyclo[3.2.1]-3-octene M. NovotnyF. J. SchwendeM. Carmack Short Communications Pages: 217 - 219
Identification of the nerve bundle in the tractus olfactorius of the tench,Tinca tinca L., which conducts the nervous excitation elicited by the alarm substance W. PfeifferU. Mangold-WernadoP. Neusteuer Short Communications Pages: 219 - 220
Mating competitiveness and fertility of thiotepa-sterilized flies J. N. ThakurA. Kumar Short Communications Pages: 220 - 223
Pineal-related changes in cyclic AMP levels of rat medial basal hypothalamus E. A. MorguensternM. I. VacasD. P. Cardinali Short Communications Pages: 223 - 224
Association of the degree of methylation of intercellular pectin with plant resistance to aphids and with induction of aphid biotypes D. L. DreyerB. C. Campbell Short Communications Pages: 224 - 226
Reduced carbonic anhydrase and Na−K-ATPase activity in gills of salmonids exposed to aluminium-containing acid water M. StaurnesT. SigholtO. B. Reite Short Communications Pages: 226 - 227
A new continuous optical assay for isocitrate lyase E. GiachettiG. PinzautiP. Vanni Short Communications Pages: 227 - 228
A method for detecing superoxide anion in presence of peroxidases G. GallianiB. Rindone Short Communications Pages: 229 - 230
France EUCHEM conference on ‘Organic approaches to biochemical problems’ Announcement Pages: 230 - 230
Human in vitro fertilization and embryo transfer Organizers, human in vitro fertilization and embryo transfer Abstract Pages: 231 - 234