Journal of the Faculty of Science, Hokkaido University. Series 6, Zoology

Vol. 19 No. 2    (1974-04 issued)

Histological and Ultrastructural Studies on the Y Organ and the Mandibular Organ of the Freshwater Prawn, Palaemon paucidens, with Special Reference to Their Relation with the Molting Cycle (With 2 Text-figures, 1 Table and 6 Plates) PDF
AOTO, Tomoji;KAMIGUCHI, Yujiroh;HISANO, Setsuji 295-308
Ultrastructural Cytochemistry of Hatching Gland Cells in Xenopus Embryos in Relation to the Hatching Process (With 4 Plates) PDF
YOSHIZAKI, Norio 309-314
Light and Dark Adaptation of Tectal Neurones in the Crucian Carp : The Effect of Stimulus Parameters upon both Neuronal Threshold and Response Magnitude (With 10 Text-figures) PDF
SATO, Yoshiaki 315-337
A New Species of Marine Interstitial Isopod of the Genus Microcerberus from Hokkaido (With 3 Text-figures and 1 Plate) PDF
ITÔ, Tatsunori 338-348
Notes on the Marine Bryozoa from Hokkaido : II. Cyclostomata other than Crisiidae (With 4 Plates) PDF
MAWATARI, Shizuo;MAWATARI, Shunsuke F. 349-360
Oviposition Behavior of Two Dwarf Stingless Bees, Hypotrigona (Leurotrigona) muelleri and H. (Trigonisca) duckei, with Notes on the Temporal Articulation of Oviposition Process in Stingless Bees (With 27 Text-figures and 8 Tables) PDF
SAKAGAMI, Shôichi F.;ZUCCHI, Ronaldo 361-421
A Wild Bee Survey in Kibi (Wakayama Pref.), Southern Japan (With 3 Text-figures and 4 Tables) PDF
MATSUURA, Makoto;SAKAGAMI, Shôichi F.;FUKUDA, Hiromi 422-437
Observations on the Hibernation of a Polydomous Ant, Formica (Formica) yessensis Forel (With 5 Text-figures and 1 Table) PDF
IMAMURA, Shinji 438-444
Variation Analysis of Elytral Maculation in Henosepilachna vigintioctomaculata Complex (Coleoptera, Coccinellidae) (With 6 Text-figures and 4 Tables) PDF
KATAKURA, Haruo 445-455
Distinction of Two Closely Allied Horse-Fly Species Tabanus nipponicus and T. pallidiventris with Notes on Their Distribution in Hokkaido (With 3 Text-figures and 2 Tables) PDF
INAOKA, Tohru 456-464
A Butterfly Phenology at Jozankei (Sapporo), Northern Japan (With 4 Text-figures and 2 Tables) PDF
YAMAMOTO, Michiya 465-473
Studies on the Aquatic Insects in the Stream Hoshioki near Sapporo (With 3 Text-figures and 3 Tables) PDF
OKAZAWA, Takao 474-488