The comparative ultrastructure of the egg membrane and associated pore structures in the starry flounder, Platichthys stellatus (Pallas), and pink salmon, Oncorhynchus gorbuscha (Walbaum) Carla M. StehrJoyce W. Hawkes OriginalPaper Pages: 347 - 356
The lamina propria of the bovine seminiferous tubule Karl-Heinz WrobelRoswitha MademannFred Sinowatz OriginalPaper Pages: 357 - 377
Seasonal changes in the reproductive system of the female white-crowned sparrow, Zonotrichia leucophrys gambelii, in captivity and in the field Michael D. Kern OriginalPaper Pages: 379 - 398
Morphological changes of pituitary gonadotrophs and thyrotrophs following treatment with LH-RH or TRH in vitro Masataka Shiino OriginalPaper Pages: 399 - 406
A study of cells present in peripheral lymph of pigs with special reference to a type of cell resembling the langerhans cell H. A. DrexhageH. MullinkBrigid M. Balfour OriginalPaper Pages: 407 - 430
Ultrastructure of the heart of the sturgeon Acipenser stellatus (Chondrostei) Reidar MyklebustHarald Kryvi OriginalPaper Pages: 431 - 438
The fine structure of the cumulus oophorus during follicular development in sheep D. G. CranMary F. HayR. M. Moor OriginalPaper Pages: 439 - 451
The collagen of the vertebrate peripheral nervous system L. C. U. JunqueiraG. S. MontesR. M. Krisztán OriginalPaper Pages: 453 - 460
Fine structure of sensory tubes on the antennule of Conchoecia spinirostris (Ostracoda, Crustacea) Peter Heimann OriginalPaper Pages: 461 - 477
Fine structure of the rhombencephalic tela of the bullfrog, Rana catesbeiana Patricia A. TornheimJohn E. Michaels OriginalPaper Pages: 479 - 491
Stereological analyses of the structure of mitochondria in pigeon skeletal muscle N. T. JamesG. A. Meek OriginalPaper Pages: 493 - 503
Immunohistochemical localization of thyrotropin-releasing hormone (TRH) in skin of Rana pipiens Janice L. BolaffiIvor M. D. Jackson Short Communication Pages: 505 - 508