ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 
529 
known to have became infected through two worms, and through swallow- 
ing fresh- water Crustacea, and are supposed to have become infected with 
three other tape- worms in the same way. Only two of the chicken 
tape-worms have as yet been recorded for wild birds. A thorough study 
of the parasites of wild birds must be made in connection with those of 
our domesticated fowl. 
The author describes the symptoms of tape-worm disease, and dis- 
cusses methods of prevention and treatment. An analytical key is given 
to the families and genera enumerated in the report. 
New Taenia.* — Herr C. Ph. Sluiter describes a new Cestode, Tsenia 
plaslica sp. n., which was obtained from the intestine of Galeopitliecus 
volans. The strobile varies in length from 24 to 220 mm., and is usually 
lancet-shaped. The head is conical, and is armed with four suckers ; 
the proglottides are short and broad. The peculiar shape is due to the 
rapid increase in breadth of the early links, which, after attaining a 
maximum breadth of 11 mm,, decrease to about 5 mm. towards the end 
of the strobile. The sexual aperture is lateral, but there is no regularity 
in its position. The sexual organs become mature at about the fortieth 
proglottis, and about ten links further on ripe eggs are found in the 
uterus. The cirrus lies in front of the vagina. The ova in utero are 
0*025 mm. in diameter. An excretory vessel runs down each side of 
the strobile, and at the posterior side of each joint these are connected 
by a transverse branch ; at the junction there is an expansion with a 
valve above. 
The anatomy of the new Taenia, more especially of the sexual organs, 
is carefully depicted in the author’s illustrations. 
Tsenia fiavo-punctata.f — Dr. P. Sonsino records another case of the 
occurrence of Tsenia flavo-pundata Weinland, in man, and maintains 
(supported by Zschokke, to whom the specimens were referred), that this 
Cestode is identical with T. ( Hymenolepsis ) diminuta R., and also with 
T. leptocephala Creplin. 
Bothriocephalus rectangulus Rud4— In its general appearance and 
in its anatomy BoihriocepJialus rectangulus ( Bothriotsenia Paillet) differs 
very materially, says Herr 0. Fuhrmann, from B. ZscholcJcii. It is about 
50 mm. long and 15 mm. broad. The bothria vary in shape from oval 
to round, according to the degree of contraction. The cuticula is about 
0*0034 mm. thick, and the musculature but poorly developed. The 
excretory vessels are double, and only unite in the scolex. The nervous 
system consists of two long filaments, which join as a ganglion in the 
scolex. Indications of the sexual organs are visible in the links close 
behind the scolex. The sexual openings are marginal. The anatomy 
of the male and female organs is carefully and minutely described ; for 
the details the original should be consulted. The eggs are oval, 
0*07 mm. long and 0*02 mm. broad. 
Nervous System of Cestodes.§ — Mr. W. L. Tower points out that 
no previous workers upon the nervous system of Cestodes have been able 
* Centralbl. f. Bakteriol. u. Parasitenk., l te Abt., xix. (1896) pp. 911-6 (6 figs.). 
t Tom. cit., pp. 937-41 (2 figs.). % Tom. cit., pp. 605-8. 
§ Zool. Anzeig., xix. (1896) pp. 323-7 (2 figs.). 
