Meiosis reinitiation in starfish oocyte Chiba, K. 413
ORIGINAL ARTICLES
Neurobiology
Double-immunolabeling studies ofglucocorticoid receptors in enkephalinergic neurons of the rat spinalcord Aizawa, T., Ikata, T., Katoh, S. 419
Physiology
Physiologicalsaline suitable for the marine isopod crustacean Bathynomusdoederleini Tsukamoto, Y. F., Kuwasawa, K., Takeuchi, S., Mano, M. 425
Molecular Biology
Cloning of cDNA encoding thimet oligopeptidase fromXenopus oocytes and regulation of the mRNA during oogenesis Okida, N., Tokumoto, M., Tokumoto, T., Nagahama, Y., Ohe, Y., Miyamoto,K., Ishikawa, K. 431
Biochemistry
Transient activation of dihydropteridine reductase byCa2+-activated proteolysis Kawai, K., Fujimoto, K., Okamoto, A., Inaba, A., Yamada, H., Katoh, S. 437
Presence of two distincttranscripts for matrilysin in porcine ovary Hirano, W., Kimura, A., Takahashi, T. 445
Reproductive Biology
The excurrent duct system of spermtransport in Rana cyanophlyctis, Rana limnocharis, Polypedatesmaculatus, Microhyla rubra, Bufo melanostictus and Bufofergusonii Hiragond, N. C., Saidapur, S. K. 453
Ecology
Myrmecophagy in a ranid frog Ranarugosa: specialization or weak avoidance to ant eating? Hirai, T., Matsui, M. 459
Seasonal traits of reproduction in a gnathiidisopod Elaphognathia cornigera (Nunomura, 1992) Tanaka, K., Aoki, M. 467
Phylogeny
Geographic patterns of cytochrome b and Sry gene lineages in the gray red-backed vole Clethrionomys rufocanus from Far East Asia including Sakhalinand Hokkaido Iwasa, M. A., Utsumi, Y., Nakata, K, Kartavtseva, I. V., Nevedomskaya,I. A., Kondoh, N., Suzuki, H. 477
Phylogeneticrelationships among six flying squirrel genera, inferred frommitochondrial cytochrome b gene sequences Oshida, T., Lin, L.-K., Yanagawa, H., Endo, H., Masuda, R. 485
Taxonomy
Genetic divergence ofJapanese turbellarians, studied by comparisons of partial 18S rRNA genesequences. I. On representatives of Dendrocoelidae (Platyhelminthes:Tricladida: Paludicola) Kuznedelov, K. D., Ishida, S., Nishitani, S. 491
Phylogenetic relationships among East Asian Species of Crocidura (Mammalia, Insectivora) inferred from mitochondrialcytochrome b genesequences Motokawa, M., Suzuki, H., Harada, M., Lin, L.-K., Koyasu, K., Oda, S. 497
A taxonomic study of Enchytraeus japonensis (Enchytraeidae, Oligochaeta):morphological and biochemical comparisons with E. bigeminus Schmelz, R. M., Collado, R., Myohara, M. 505
Animal Diversity and Evolution
Evolution of hemocyanin subunits in mygalomorphspiders: distribution of hemocyanin subunits and higher classificationof the mygalomorphae Kuwada, T., Sugita, H. 517
Phylogenetic relationships of the familyAgamidae (Reptilia: Iguania) inferred from mitochondrial DMA sequences Honda, M., Ota, H., Kobayashi, M., Nabhitabhata, J., Yong, H.-S.,Sengoku, S., Hikida, T. 527
Overlapping distribution of two groups of the butterfly Eurema hecabe differing in the expression of seasonal morphs onOkinawa-jima Island Kato, Y. 539
Evolution of a ureagenic ability ofJapanese Mugilogobius species (Pisces: Gobiidae) Mukai, T., Kajimura, M., Iwata, K. 549