The preventive measures which are steadily diminishing the prevalence of the Cestode parasites in man in some parts of Western Europe cannot be dealt with here, but it may be noticed that the Jewish observance with regard to swine is the surest preventive measure against taeniasis and trichinosis. Careful inspection of meat and general cleanliness, are the leading measures that in these hygienic matters secure the greatest immunity from disease. {83}TABLE OF THE LIFE-HISTORIES OF THE PRINCIPAL CESTODES OF MAN AND THE DOMESTIC ANIMALS. Cestode. Final host. Larva. Intermediate host. _Taenia serrata_ _Cysticercus Rabbit, Hare, Mice Goeze Dog pisiformis_ (liver and peritoneum) Zed. _T. marginata_ _Cyst. Monkeys, Ruminants, Batsch Dog, Wolf tenuicollis_ ungulates (in Rud. peritoneum) _T. saginata_ Goeze (= _T. Man _Cyst. bovis_ Ox, Giraffe mediocanellata Cobb. (in muscles) _Küch.) _Cyst. _T. solium_ Man cellulosae_ Pig, Man, Monkeys, Rud. Rud. (? _Cyst. Bear, Dog, Cat, Black acanthotrias_ Rat (in various Weinl.) organs) _T. crassicollis_ Cat and other _Cyst. fasciolaris_ Rud. Felidae, Rud. Rat, Mouse, Bat (liver) Stoat _T. coenurus_. Dog, Arctic _Coenurus Brain of Sheep, Ox, Küch Fox cerebralis_ Goat, Dromedary, Camel, Rud. Antelope, Horse _T. serialis_ ? Dog _Coenurus Rabbit (connective Baill. serialis_ Baill. tissue) _Echinococcus Man, Monkeys, many _T. echinococcus_ Dog, Dingo, polymorphus_ Carnivores, Rodents, v. Sieb. Jackal, Wolf Dies.(incl. Ungulates, Ruminants, _E. multilocularis_ and Marsupials; also found in Man) in Turkey and other birds _Moniezia expansa_ Sheep, Ox, Unknown Rud. Goat, etc. _Thysanosoma Sheep, Unknown fimbriata_ Dies. Cervidae _Stilesia globipunctata_ Sheep Unknown Riv. _Anoplocephala perfoliata_ Horse Unknown Goeze