Description of Plate VII.

FIG. 1.—Large comma bacilli in the adenoid tissue and Licberkuhn's crypts, and
also below the muscularis mucosa, of the ileum. Case 4.

" 2.—Small comma bacilli in the interior of Licberkuhn's crypts and extending
into the space between the bases of two villi in the ileum of Case 5.

" 3.—Group of bacilli from the space between the villi in Case 5, more magnified.
than in Fig. 2.

" 4.—Another group from the deeper part of the cavity of the crypt.

" 5.—Spirilla in a Licberkuhn's crypt (transversely divided) from the vermiform
appendix of Case 9.

" 6.—Filiform bacilli in the substance of the colon of Case 5.