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Show 214 MR. J. B. SUTTON ON DISEASES OF [Apr. 20, from its connection with the peritoneal cavity. A few fibres of the cremaster muscle are spread over its upper limits. Inside this, and in close apposition with its walls, is the tunica albuginea, greatly distended, with the epididymis stretched over it like a strap. On cutting into it, a pint of straw-coloured fluid escaped. This liquid was alkaline in reaction (SD. gr. 1020), and contained one half its volume of albumen. The substance of the testicle presented a very remarkable appearance, for it looked like the roots of a tree in miniature. There was a central main stem, and from it slender rounded rootlets composed of testicular substance, i. e. seminiferous tubules and connective tissue, passed outwards to the sac-walls. The appearances were the same in both testes. The condition is best expressed by saying that it resembled a hydrocele, except that the fluid was within the tunica albuginea instead of in the cavity of the tunica vaginalis. <ig. /. The occiput of an Ichneumon, with dislocation of the atlas and subsequent ankylosis of that bone to the occiput. The specimen has been brought before the notice of the Society, with the hope of inducing others who have opportunities of seeing similar cases to place a description of them on record. In 1879 Prof. Flower gave an account of a very remarkable condition presented by the occiput of a Beluga. In this Whale the atlas had become dislocated from the occipital condyles, and displaced in such a manner that the passage for the spinal cord at the foramen magnum had become reduced to a very narrow chink, only three quarters of an inch in transverse measurement. The Whale had survived the accident some considerable time, for the displaced |