Acanthocephala of, [184]

Domopora, [531], [532]

Dorsal ciliated organ, [247], [254], [256]

Dorsal pores, [348]

Dorylaimus, [131], [157], [160]

Dracunculus, [131], [135], [147]

Drepanidotaenia, [91];

D. anatina, life-history, [84], [85];

D. gracilis, D. infundibuliformis, D. setigera, life-history, [84]

Drepanophorus, excretory system, [108];