Morphological basis of cardiac glycoside sequestration by Oncopeltus fasciatus (Dallas) (Hemiptera: Lygaeidae) G. G. E. ScudderJ. Meredith OriginalPaper Pages: 87 - 101
Nervous system of ascidian larvae: Caudal primary sensory neurons Steven A. TorrenceRichard A. Cloney OriginalPaper Pages: 103 - 115
Fine structure studies of the ocelli of Polyorchis penicillatus (Hydrozoa, Anthomedusae) and their connection with the nerve ring C. L. SinglaC. Weber OriginalPaper Pages: 117 - 129
Structure of tendon organs in fishes of the genus Polymixia R. Dana Ono OriginalPaper Pages: 131 - 144
Electron microscope investigation of synapses, synapse-like structures, and possible sites of release of neurosecretory material in the buccal ganglia of Helix pomatia (Mollusca) Heinz Steffens OriginalPaper Pages: 145 - 153
Morphogenesis of bone ornamentation in extant and extinct crocodilians Vivian de Buffrénil OriginalPaper Pages: 155 - 166
Ultrastructure of gill bars of Branchiostoma lanceolatum with special reference to gill skeleton and blood vessels (Cephalochordata) Hans Rähr OriginalPaper Pages: 167 - 180