transverse section, [86]
Ditrema, [670];
D. temminckii, [670]
Dog-Fishes, [446]
D. mirabilis, [100]
Dolichoglossus, [17], [5], [13];
D. kowalevskii, [6], [7], [9], [20];
D. otagoensis, [11]
Dolichorhynchus, [137];
transverse section, [86]
Ditrema, [670];
D. temminckii, [670]
Dog-Fishes, [446]
D. mirabilis, [100]
Dolichoglossus, [17], [5], [13];
D. kowalevskii, [6], [7], [9], [20];
D. otagoensis, [11]
Dolichorhynchus, [137];