HELMINTHOLOGY-HELMINTHES CYSTICI.

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Bd. ii, pp. 367, 839) the Cysticercus cellulose; occurs inmost of the muscles of man, but as it seems, only in thevoluntary muscles, and is found at the same time in thesubstance of the heart and brain. The ossification of theCyst-worm has also been observed by Rokitansky. In thebrain, where the worm most frequently occupies the graysubstance, it would appear, when dead and ossified, to bewith great difficulty distinguishable from an ossified tubercle,and, according to Rokitansky, the diagnosis of it can onlybe established by the simultaneous presence of other livingCysticerci. Difficulties of this kind in the diagnosis willcertainly be felt when no value is placed on the microscope,by the aid of which the indestructible booklets of the crownof a Cysticercus long dead and destroyed are so readilydetected. A case of Cysticercus cellulosee in the brain hasbeen related by Drewry Ottley (Med. Chirur. Transact, ofLondon , vol. xxvii, 1844, p. 12; or Lancet, 1843, Dec.p. 368) as follows : a woman, 40 years of age, of lymphatictemperament, resident in Exeter, had for many years beena sufferer from emphysema of the lungs, with frequentattacks of bronchitis. In the early part of 1838 she beganto complain of frequent giddiness and of a dull stupifyingpain in the head. These attacks returned again and again,and after a time the giddiness became more constant andthe loss of memory and confusion of intellect more trouble-some.

In 1839, in addition to the above symptoms, she becamesubject to fits, during which there was entire loss of con-sciousness, with convulsion of the limbs. The character ofthese attacks was different from that of ordinary epilepticfits. They were less sudden, both in their invasion andtheir termination, and the convulsions ceased and recurredas often as eight or ten times in as many hours, the stuporremaining during the intervals and after their cessation.The recovery from them was slower also, for she wouldoften remain for two or three days in a stupified state.

During the last twelve months of her life her sufferings