Recent studies of fish pancreatic hormones: Selected topics Plisetskaya, E.M. 335
Structure and function of sea urchin egg jelly molecules Suzuki, N. 355
Physiology
Regulation of water permeability of the skin of the treefrog, Hyla arborea japonica Nakashima, H. and Y. Kamishima 371
Regulatory actions of 5-hydroxytryptamine and some neuropeptides on the heart of the African giant snail, Achatina fulica Férussac Hori, K., Y. Furukawa and M. Kobayashi 377
Nociception in crocodiles: Capsaicin instillation, formalin and hot plate tests (Communication) Kanui, T.I., K. Hole and J.O. Miaron 537
Cell Biology and Morphology
Evidence for the phagocytotic removal of photoreceptive membrane by pigment cells in the eye of the planarian, Dugessia japonica Tamamaki, N. 385
Eurythermic growth and synthesis of heat shock proteins of primany cultured goldfish cells Sato, M., H. Mitani and A. Shima 395
Motility of cultured iridophores from the freshwater goby, Odontobutis obscura Iga, T., J. Kinutani and N. Maeno 401
Biochemistry
Changes in lipid composition in the tail of Rana catesbeiana larvae during metamorphosis Ryuzaki, M. and M. Oonuki 409
Genetics
Inheritance of the color patterns of the blue snakeskin and red snakeskin varieties of the guppy, Poecilia reticulata Phang, V.P.E., A.A. Fernando and E.W.K. Chia 419
Developmental Biology
Critical period of induction by tamoxifen of genital organ abnormalities in male mice (Communication) Irisawa, S., T. Iguchi and N. Takasugi 541
Reproductive Biology
Photoperiodic influences on pheromonal delay of puberty in young female wild mice (Communication) Pandey, S.C. and S.D. Pandey 547
Endocrinology
Immunocytochemical and ultrastructural characterization of the cells in the pars tuberalis of the turtle, Geoclemys reevesii (Communication) Oota, Y. 551
Distribution of immunoreactive thyrotropinreleasing hormone in the brain and hypophysis of larval bullfrogs with special reference to nerve fibers in the pars distalis Taniguchi, Y., S. Tanaka and K. Kurosumi 427
Vasodepressor effect of atrial natriuretic peptides in the quail, Coturnix coturnix japonica Takei, Y. and T.X. Watanabe 435
Taxonomy and Systematics
A new milliped of the genus Riukiaria from Is. Yaku-shima, Japan (Diplopoda; Polydesmida; Xystodesmidae) Tanabe, T. 443
Ciliate Protozoa in the rumen of Holstein-Friesian cattle (Bos taurus taurus) in Hokkaido, Japan, with the description of two new species Ito, A. and S. Imai 449
The Drosophila polychaeta and the D. quadrisetata species-groups (Diptera: Drosophilidae) from Yunnan Province, southern China Watabe, H., X.C. Liang and W.X. Zhang 459
Cestodes of field micromammalians (Insectivora) from central Honshu, Japan Sawada, I. and M. Harada 469
Crabs of the genus Calappa from the Ryukyu Islands, with description of a new species Takeda, M. and N. Shikatani 477
Description and complete larval development of a new species of Baccalaureus (Crustacea: Ascothoracida) parasitic in a zoanthid from Tanabe Bay, Honshu, Japan Ito, T. and M.J. Grygier 485
Three new species of the genus Rhombognathus (Acari, Halacaridae) from Japan Abé, H. 517
A centrolenid-like anuran larva from southeast Asia (Communication) Inger, R.F. and R.J. Wassersug 557
