III. Ontogeny of Amphibia.
Ammon, [7]; Credner, [187]; Fritsch, [251]; Hay, [315]; von Meyer, [422]; Thevenin, [566].
IV. Structure and Morphology of Amphibia.
Lateral-line System of Sensory Organs: Andrews, [8]; Baur, [31]; Branson, [49]; Fraas, [242], [247a]; Huxley, [333]; Malbranc, [401]; Miall, [450]; von Meyer, [436]; Moodie, [458], [465], [478], [488]; Thevenin, [568].
Pineal Eye: Cope, [160]; Credner, [187]; Jaekel, [346].
Morphology of the Skull: Albrecht, [5]; Baur, [24], [27], [29], [31]; Boulenger, [44]; Branson, [49]; Broili, [55], [56], [66]; Case, [85], [93], [98]; Cope, [136], [177]; Credner, [187-191]; Fraas, [242], [247a]; Fritsch, [251]; Fuchs, [255]; Gaupp, [283]; Goodrich, [298]; Jaekel, [347]; Maggi, [397], [398]; von Meyer, [428], [436], [439]; Moodie, [458], [478]; Owen, [511]; Seeley, [546]; Thevenin, [568]; Thyng, [570]; Williston, [612], [614], [615], [616], [619]; Wiman, [626]; Woodward, [631].
Brain: Wiedersheim, [602]; Moodie, [487].