80 AVIAN CESTODES. 



Plate V. 



Ajiomotmnia rhinochtti. 

 Fig.l. — Auterior part of strobila, rostellum everted. 

 Fig.2. — Anterior part of strobila, rostellum retracted. 

 Fig.3. — Segments, showing anatomy. 

 Fig. 4. — Hook from rostellum. 



Plate vi. 

 Davainea himantopodis. 

 Fig.l. — Entire strobila, with some free segments in addition. 

 Fig.2. — Scolex. 

 Fig.3. — Hook from rostellum. 

 Fig. 4. — Mature segment showing genitalia. 



Fig.5. — Portion of segment, showing everted cirrus bearing the character- 

 istic spines. 



Reference Utters. 

 c, cirrus — c.h., cirrus-hooks — c.s., cirrus-sac — e., eggs — ^.e., genital 

 eminence — r.h., rostellar hook — n., longitudinal nerve— o.c^., oviduct — ov., 

 ovary — ?-..v., receptaculum seminis — s.g., shell-gland — t., testes — ir. v., 

 transverse excretory vessel — v. vagina — v.c, gland-cells on vaginal wall — 

 r.cl., vas deferens — v.g., vitelline gland — ii.e.t'., ventral excretory vessel — 

 !/.d., yolk-duct. 



