Mesenchymalepithelial interactions in the organogenesis of digestive tract Yasugi, S. and T. Mizuno 159
Cellular and molecular aspects of embryonic induction Tiedemann, H. 171
Physiology
Ammoniagenesis in the mudskipper, Periophthalmus chrysospilos Ip, Y.K., S.F. Chew and R.W.L. Lim 187
Tectal visual afferents from fish dorsolateral tegmental cells (Communication) Niida, A. and T. Ohono 327
Morphological and physiological characterization of the para-ocellar nerve of the cockroach, Periplaneta americana (Communication) Mizutani, A. and Y. Toh 331
Cell Biology
Expression of circular plasmids which contain bacterial chloramphenicol acetyltransferase gene connected to the promoter of polypeptide IX gene of human adenovirus type 12 in oocytes, eggs and embryos of Xenopus laevis Fu, Y., K. Sato, K. Hosokawa and K. Shiokawa 195
Ultrastructural studies of the carotid labyrinth in the newt, Cynops pyrrhogaster Kusakabe, T. 201
Genetics
Abnormal development of preimplantation embryos derived from intersubspecific hybrids between Mus musculus molossinus and M. m. domesticus Niwa, M. and N. Wakasugi 209
Immunology
Evidence for a Thy-1-like molecule expressed on earthworm leucocytes Saad, A.H. and E. Cooper 217
Developmental Biology
Neural control of flight muscle differentiation in the fly, Sarcophaga bullata Sivasubramanian, P. and D.R. Nässel 223
Effect of pH on the participation of calcium ion in the cell aggregation of sea urchin embryos Tonegawa, Y., E. Hojiro and K. Takahashi 229
Reproductive Biology
Mechanisms underlying regulation of local immune responses in the uterus during early gestation of eutherian mammals. III. Possible functional differentiation of macrophages cultured together with blastocyst in vitro, with special refrence to the cellular shape and production of leukotriene C4 Tachi, C. and S. Tachi 235
Endocrinology
Effects of thyroxine on locomotor activity and carbon dioxide release in the toad, Bufo japonicus Tasaki, Y. and S. Ishii 249
Intragranular colocalization of arginine vasopressin- and angiotensin II-like immunoreactivity in the hypothalamoneurohypophysial system of the goldfish, Carassius auratus Yamada, C., S. Noji, S. Shioda, Y. Nakai 257
Ovarian development and sex steroid hormones during the reproductive cycle of Rana esculenta complex Polzonetti-Magni, A.M., R. Curini, O. Carnevali, C. Novara, M. Zerani and A. Gobbetti 265
Long-term effects of hypophysectomy on the growth and calcification of otoliths and scales in the goldfish, Carassius auratus Mugiya, Y. 273
Urea stimulation of pituitary pars intermedia cells of suckling mice under copious drinking Kobayashi, Y. and M. Okada 281
Morphology
Formation of ganglions and stomodaeum in normal and separate embryos of horseshoe crab, Tachypleus tridentatus Itow, T., T. Masuda and K. Sekiguchi 287
Taxonomy
The genus Phorticella Duda (Diptera: Drosophilidae) from Burma and southern China Wynn, S., M.J. Toda and T.X. Peng 297
Early larval and postlarval morphology of the soldier crab, Mictyris brevidactylus Stimpson (Crustacea: Brachyura: Mictyridae) Fukuda, Y. 303
Some Nesothrips (Insecta, Thysanoptera, Phlaeothripidae) from east Asia Okajima, S. 311
Nautiliniellid polychaetes collected from the Hatsushima cold-seep site in Sagami Bay, with descriptions of new genera and species Miura, T. and L. Laubier 319
