680
FILARIASIS
[CHAP.
proposed to call Filaria nocturna; but as, in accordance with the rules of zoological nomenclature, precedence must be given to the name previously suggested by Cobbold for the adult form, I propose to call the larval form microfilaria bancrofti (Fig. 96, a). The other filariæ of the blood I named F. diurna
Fig. 96.—(a) Microfilaria bancrofti, x 300; (b) microfilaria loa, Africa, x 300; (c) microfilaria demarquaii, St. Vincent, x 300; (d) microfllaria ozzardi and microfilaria perstans, British Guiana, x 300; (e) microfilaria perstans, Africa, x 300
(mf. loa), Fig. 96, b; F. demarquaii (mf. demarquaii), Fig. 96, c; F. ozzardi, (mf. ozzardi), Fig. 96, d (a doubtful species); F. perstans (mf. perstans), Fig. 96, e; and F. magalhãesi, after its describer. (Plate X.)
Their pathological importance.—Only one of these parasites, so far as we know at present, appears to
