Brücke, quoted, [571]
Buchholz, on Chiromantis, [244] f.
Budgett, on breeding habits of Phyllomedusa, [204];
on Paludicola, [220];
on Lepidobatrachus, [218];
quick development of Phryniscus, [231];
on Bufo marinus, [179]
Bufo, sacral vertebra, [22];
shoulder-girdle, [26];
urine-genital organs, [49];