Amino acid-induced reflexes and their neural pathways in anopisthobranch mollusc Pleurobranchaea japonica S. Chiken, K. Kuwasawa, M. Kurokawa and K. Ohsuga 465
Behavior Biology
The influence of female post-emergence behavior on the time schedule ofmale mate-locating in Pieris rapae crucivora T. Hirota, K. Hamano and Y. Obara 475
Cell Biology
Establishment of three cell lines derived from frog melanophores H. Okumoto 483
Contribution of calcium influx in trichocyst discharge inParamecium caudatum Y. Kwadate and M. Kikuyama 497
Genetics
Chromosome data for malagasy poison frogs (Amphibia: Ranidae:Mantella) and their bearing on taxonomy and phylogeny G. Odierna, M. Vences, G. Aprea, L. Lötters and F. Andreone 505
Biochemistry
The amino acid sequences of the - and -globin chainsof hemoglobin from the Aldabra giant tortoises, Geochelonegigantea F. Shishikura and K. Takami 515
Developmental Biology
Development of the brain in the oegopsid squid, Todarodespacificus: An atlas up to the hatching stage S. Shigeno, H. Kidokoro, K. Tsuchiya, S. Segawa and M. Yamamoto 527
Transcription element responsible for the brain cell-specific expressionof the bombyxin gene that encodes an insect insulin-related peptide S.E.A. Salam, K. Moto, S. Sakurai and M. Iwami 543
Reproductive Biology
Role of ecto-ATP diphosphohydrolase in ovarian follicle cells of thestarfish Asterina pectinifera M. Mita, M. Yoshikuni and Y. Nagahama 551
Cloning of cDNA encoding vitellogenin and its expression in red seaurchin, Pseudocentrotus depressus T. Unuma, H. Okamoto, K. Konishi, H. Ohta and K. Mori 559
Gonadal maturation and embryonic development in the deep-seasponge-associated shrimp, Spongicola Japonica Kuba (Crustacea:Decapoda: Spongicollidea) T. Saito and Y. Koya 567
The first and the second mitotic phases of spermatogonial stage inXenophys laevis: secondary spermatogonia which havedifferentiated after completion of the first mitotic phase acquire anability of mitosis to meiosis conversion K. Takamune, T. Kawasaki and S. Ukon 577
Ecology
Effects of web design on the prey capture efficiency of the uloboridspider Octonoba sybotides under abundant and limited preyconditions T. Watanabe 585
Thermal physiology and reproductive phenology of Buergeriajaponica (Rhacophoridae) breeding in a stream and a geothermalhotspring in Taiwan T.-C. Chen, Y.-C. Kam and Y.-S. Lin 591
Animal Diversity and Evolution
A comparison of age structures in two populations of a pond frogRana nigromaculata (Amphibia: Anura) W. Khonsue, M. Matsui, T. Hirai and Y. Misawa 597
Age determination of wrinkled frog, Rana rugosa with specialreference to high variation in postmetamorphic body size (Amphibia:Ranidae) W. Khonsue, M. Matsui, T. Hirai and Y. Misawa 605
