Synchaeta, [200], [204] f., [224], [226]
Syncytium, [125]
Syngamus trachealis, [130], [142], [144], [161], [163], [164]
Syrinx, [411]
Taenia, [74], [78], [79], [91];
life-histories of species of, [83];
table of species, [89];
T. (Cysticercus) acanthotrias, [80];