“Body lanceolate, anterior and posterior extremities pointed, the latter obtusely. Surface covered with minute spines or hairs. Average length 3/8″ (three eighths of an inch); average breadth 1/10″. ‘Ventral’ sucker slightly smaller than ‘oral.’ Reproductive papilla or genital orifice placed a little above and to one side of the former. Alimentary canal double and unbranched. Uterine folds and ovary placed in the median line, and above the male generative organs, the latter consisting of two very distinct globular bodies or testes. Ova of the usual type, _i. e._ oval in outline, having a double contour, and granular contents; average length, 1/750″; average breadth, 1/1333″. The only point of note is that the average length of these flukes is greater than that of the same species found by the authors above referred to. The _D. conjunctum_ in the American fox, and in the pariah dog, has an average length of 1/4″; only two or three specimens of this size were found in this liver, and these showed evidences of immaturity; a few were found 1/2″ in length; but the great majority exactly 3/8″. The anatomical characters are otherwise precisely identical.” Professor McConnell concludes his communication by a remark in reference to the common source of infection shared by mankind and dogs in India. The occurrence, however, of this entozoon in an American red fox points to a very wide geographical distribution of the species. It is hardly likely that the fox, though dying in the London Zoological Society’s Menagerie, should have contracted the parasite in England. In the second half of this work I shall reproduce my original drawing (fig. 56) from the ‘Linnean Transactions;’ but I may refer to my Manual (quoted below) for a reproduction of McConnell’s figure. In my original specimens the integumentary spines had fallen, probably as a result of post-mortem decomposition. BIBLIOGRAPHY (No. 7).--_Cobbold, T. S._, “Synopsis of the Distomidæ” (l. c.), 1859; and in “Further Observations on Entozoa, with experiments,” ‘Linn. Trans.,’ vol. xxiii (tab. 33, p. 349), 1860.--_Idem_, “List of Entozoa, including Pentastomes, from animals dying at the Zool. Soc. Menagerie between the years 1857-60,” ‘Proceed. Zool. Soc.,’ 1861.--_Idem_, ‘Entozoa,’ p. 20, pl. ii, 1864; and in “Manual of the Internal Parasites of our Domesticated Animals,” p. 81, 1873.--_Lewis, T. R._, and _Cunningham, D. D._, in a footnote to their ‘Microscopical and Physiological Researches,’ Appendix C., ‘Eighth Ann. Rep. of the San. Comm. with the Govt. of India,’ p. 168, Calcutta, 1872.--_McConnell, J. F. P._, “On the _Distoma conjunctum_,” in the ‘Lancet’ for 1875-76, quoted above; reprinted in the ‘Veterinarian,’ 1876; also (a second case) in the ‘Lancet’ for March 30th, 1878, p. 476.