650. The same ; dried and preserved in turpentine. 1847.
Dr. J. C. Warren.
651. The same ; foetal. By Dr. D. 1860. Dr. S. DurJcee.
652. Portion of small intestine, dried, and showing an unusual development of the follicles of Peyer's patches. From a case of malignant cholera.
One of the patches is elliptical, as usual, and very long. Two others are circular, and not more than three or four lines in diameter. In this last form they are occasionally found at the lower end of the ileum, and as often in any other part of the circumference of the intestine, as opposite to the mesentery. When these small patches exist, and are ulcerated in typhoid fever, the mistake might very readily be made of supposing that the ulcers were in the mucous membrane, and not in the patches, for want of a knowledge of the above fact. 1857. Dr. E. Leigh.
653. A portion of jejunum, inverted, and strongly inflated, so as to produce an artificial emphysema of the sub-mucous cellular membrane ; dry. 1859.
Dr. J. B. S. Jackson.
654. Portion of intestine, from an adult, and showing an unu- sual development of the meso-appendix ; inflated and dried. 1847. , Dr. J. C. Warren.
655. Preparation to show the ileo-coscal valve. 1849.
Dr. J. B. S. Jackson.
656. Ileo-coecal portion of intestine, distended and dried, and showing that the so-called appendix is in early life a mere continuation of the caecum. Two specimens ; from a fetus and a young child. 1849. Dr. J. B. S. Jackson.
t
657. Section, upon the median line, through the pelvis of a
young child, and showing the relation of the organs ; in spirit, and not dissected. Rectum minutely injected. 1847. Dr. J. C. Warren.
658. Ileo-co3cal portion of intestine of a domestic cat ; inflated and dried. 1860. Dr. J. B. S. Jackson.
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