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Remarks.—On five separate occasions I have observed measles in joints of mutton brought to my own table, I have also several times encountered a very slender tapeworm in man, which is not improbably the adult representative of this Cysticereus. Examples of the mutton-measle have also been seen by Prof. Heisch, Dr. Kirk, and Dr. Maddox.

Experiments.—The only breeding experiment performed by me with this slender tapeworm was on a lamb (1872). The result was negative.

Lit.—Cobbold; Tapeworms (3rd Edit.): and in Supp. to Entozoa, 1869 (p. 27). Maddox, On an Entozoon, with ova, found encysted in the measles of a sheep; Nature, May 15th, 1878: Menth. Mier. Journ., June, 1873; Lond. Med. Record, Aug. 6th, 1873.

Syn.—None. A malformed tapeworm, (Heller.)

Larva.—Unknown.

Remarks.—This a good species, notwithstanding the criticism that has been bestowed upon my determinations. It is quite distinct from Küchenmeister's variety from the Capo of Good Hope. The reproductive papillæ are placed all on one side of the strobile throughout.

Lit.—Cobbeld; Tapeworms. Davaine Les Cestoides, (l.c. p. 573.;) Heller, (l.c. s. 594.)

Syn.—T. agypliaco, Bilharz; Diplacanthus, Weinland.

Larva.—Unknown.

Int. Host.—Probably an insect, (Leuckart.)

Remarks.—This little tapeworm has only once been found. It was discovered by Bilharz in an Egyptian boy in very large numbers, The finest examples did not quite reach an inch in length.

Syn.—None.

Larva.—Unknown.

Remarks.—Discovered by Dr. Grenet (at Mayotte. Comores) to have passed from two young children. The reproductive pores are uniserially disposed, as in T. lophosema.

Lit—Davaine; Art. Les Cestoides (l.c. p. 577 et seq.)

Syn.—T. canina, Pallas; T. cateniformis, Rudolphi; T, cucumerina, Bloch; Dipyldium, Leuckart.

Larva.—A louse measle, (Cysticercus Taniæ ellipticæ.)

Int. Host.—The lice of the dog and cat, (Trichkodectes latus and Trich. subrostratus.)

Remarks.—Most helminthologists believe that this cestode is identical with the cucumerine tapeworm of the dog. At best it is a mere variety.

Lit.—Melnikov; in Archiv fur Naturgeschichte, 1869; and in Recueil de Méd, Vet., 1871.

Syn.—T. flaromacaulata, Molin; Hymenolepis, Weinland.

Larva.—Unknown.

Remarks.—This is a small worm which has only been once seen. It was obtained by Dr. Palmer, in America, from an infant. As in T. lophosoma and T. madagascariensis, the reproductive papilla are uniserially arranged.

Lit.—Weinland; Tapeworms of Man, 1858, and in his Beschreibung zweier neuer Tanioiden aus dem Menschen, 1861.