378 
Ascarids in the British Museum 
PLATE XVI. 
Fig. 1. Ascaris capsularia. Head of larva 15 mm. long, from Clupea alosa, viewed 
from the right side. D. dorsal lip; E. excretory pore; L.V. left ventro-lateral 
lip; Oes. oesophagus; B.V. right ventro-lateral lip; T. boring-tooth. 
Fig. 2. Ascaris capsularia. Tail of larva 15 mm. long, from Clupea alosa, viewed from 
the right side. A. anus; T.Sp. tail-spike. 
Fig. 3. Ascaris decipiens. The bps, viewed from the front. A.L. anterior lobes; D. 
dorsal lip; F. ventro-lateral lips. 
Fig. 4. Ascaris decipiens. Portions of the female genital apparatus; x 2. Oi>. ovarian 
tubes; Ut. uterus; V. vulva. 
PLATE 
Fig. 1. Ascaris similis. Tail of the male; 
alae and papillae (semi-diagrammatic). 
Fig. 2. Ascaris decipiens. Tail of the male; 
Fig. 3, Ascaris rosmari. Tail of the male; 
alae and papillae (semi-diagrammatic). 
XVII. 
ventral view, showing the spicules, caudal 
ventral view. A. caudal alae; 8. spicules, 
ventral view, showing the spicules, caudal 
