Structure and function of the insect ocellus Toh, Y. and H. Tateda 395
Sexual recognition in Protozoa: chemical signals and transduction mechanisms Giovanna, R. and V. Franko 415
Physiology
Axial diffusion of all-trans retinol in single rods following bleach of rhodopsin Azuma, K., Azuma, M., Walter, A.E. and T.P. Williams 431
Morphology and response properties of wind-sensitive non-giant interneurons in the terminal abdominal ganglion of crickets Baba, Y., Hirota, K. and T. Yamaguchi 437
Uptake of 48V-labeled vanadium by subpopulations of blood cells in the ascidian, Ascidia gemmata Michibata, H., Seki, Y., Hirata, J., Kawamura, M., Iwai, K., Iwata, R. and T. Ido 447
Changes in rhabdome volumes of isolated compound eyes of the crab, Hemigrapsus sanguineus --- a study in correlation with a circadian rhythm Eguchi, E., Shimazaki, Y. and T. Suzuki 453
Analysis of the reflection of light from motile iridophores of the dark sleeper, Odontobutis obscura obscura Fujii, R., Hayashi, H., Toyohara, J. and H. Nishi 461
Brain photoreceptors in the pupal and adult butterfly: fate of the larval ocelli Ichikawa, T. 471
Coexistence of absorptive and secretory NaCl processes in the isolated lizard colon: effects of cyclic AMP Diaz, M. and A. Lorenzo 477
Distribution of the excitatory and inhibitory ACh receptors in red muscle of the fishes, Cyprinus carpio and Carassius auratus Hidaka, T., Igata, H. and T. Kita 485
Cell Biology
Growth inhibition and cell shape alteration of human diploid fibroblasts due to transforming growth factor-1 in serum-free media Kji, K., Hirai, R., Yamaoka, K. and M. Matsuo 491
Biochemistry
Magnesium polymer of actin is formed by -actinin but not by gelsolin-actin complex Shimaoka, S., Oosawa, M. and K. Maruyama 499
The positions of the disulfide bonds in exogastrula-inducing peptide D (EGIP-D) purified from embryos of the sea urchin, Anthocidaris crassispina Suyemitsu, T. 505
Developmental Biology
Immunochemical studies on cathepsin D-like enzyme in the tadpole tail of Rana catesbeiana Fujii, Y., Taguchi, M., Kobayashi, K. and S. Horiuchi 511
Differentiation of the epithelium lining the junctional region of the gizzard and duodenum of the chick embryo Matsushita, S. 521
Inhibition of in vitro spermatogenesis from Xenopus laevis by theophylline Abé, S.-I., Uno, S., Asakura, S. and K. Kubokawa 533
Reproductive Biology
Lack of in vitro melatonin action on the gonadal function of two anuran amphibian species, Rana perezi and Discoglossus pictus Gancedo, B., Delgado, M.J. and M. Alonso-Bedate 541
Endocrinology
Immunoelectron microscopical study of prolactin cells in the rat: postnatal development and effects of estrogen and bromocryptine Takahashi, S. and M. Miyatake 549
Experimental demonstration of androgen regulation of hemipenis in the lizard, Calotes versicolor Ananthalakshmi, M.N., Sarkar, H.B.D. and Shivabasavaiah 561
Effects of various adenohypophysial hormones of chum salmon of thyroxine release in vitro in the medaka, Oryzias latipes Okimoto, D.K., Tagawa, M., Koida, Y., Grau, E.G. and T. Hirano 567
Immunocytochemical study on the dynamics of TSH cells before, during, and after metamorphosis in the salamander, Hynobius nigrescens (Communication) Yamashita, K., Iwasawa, H. and Y.G. Watanabe 609
Chronological appearance of immunoreactivity for the different adenohypophysial hormones in the pituitary of salamander larvae (Hynobius nebulosus) (Communication) Oota, Y. and T. Saga 613
Seasonal changes in plasma calcium, inorganic phosphorus and magnesium levels in adult males of the snake, Elaphe quadrivirgata (Communication) Yoshihara, M., Uchiyama, M., Murakami, T. and H. Yoshizawa 617
Behavior Biology
Evaporation and the turning behavior of the mudskipper, Boleopthalmus boddaerti (Communication) Ip. Y.K., Chew, S.F. and P.C. Tang 621
Systematics and Taxonomy
Pseudhymenolepis nepalensis sp. nov. (Cestoda: Hymenolepididae) parasitic on the house shrew, Suncus murinus (Soricidae), from Nepal Sawada, I. and K. Koyasu 575
Apsilocephalidae, a new family of the orthorrhaphous Brachycera (Insecta, Diptera) Nagatomi, A., Saigusa, T., Nagatomi, H. and L. Lyneborg 593
The systematic position of the Apsilocephalidae, Rhagionempididae, Protempididae, Hilarimorphidae, Vermileonidae and some genera of Bombyliidae (Insecta, Diptera) Nagatomi, A., Saigusa, T., Nagatomi, H. and L. Lyneborg 579
