262 
ON THE ANATOMY OF A FOWL TAPEWOKM, 
AMOEBOTAENIA SPHENOIDES von LINSTOW. 
By F. J. MEGGITT, M.Sc. 
{Board of Agriculture and Fisheries Research Scholar, University 
of Birmingham.) 
(With Plates XX and XXI.) 
CONTENTS. 
PAGE 
Introduction ..262 
Historical ......... 263 
External Characters ....... 264 
Rostellum ........ 265 
Cuticle and musculature ...... 267 
Excretory system ...... 268 
Nervous system ....... 269 
Genital organs ........ 270 
Male organs ....... 270 
Female organs ...... 272 
Life-history . ...... 275 
References . . . . . . . 275 
Introduction. 
In the course of an investigation into the tapeworms of poultry, 
I came across a minute form {Amoehotaenia sphenoides von Linstow) 
hitherto unrecorded from this country, and incompletely described from 
the few specimens examined by other workers. Its economic importance 
remains to be ascertained but, pending a complete experimental treat¬ 
ment of its life-history, I submit an account of its anatomy. 
The specimens were obtained from fowls in the neighbourhood of 
Harborne, Birmingham. Every one of the fowls dissected was infected 
vuth this parasite, as many as 40 to 50 specimens being found in one 
bird. 
