xTTi INTRODUCTION. 



any complaint till the 3d October, when the ship was at 

 sea ; he then expressed a sense of lassitude about his loins, 

 and irritability of stomach ; but there was no apparent fe- 

 brile action ; the pulse being about the natural standard, 

 which with him was only 65°, without the body undergo- 

 ing any encrease of temperature. The only symptoms 

 were irritability of stomach, with extreme langour and de- 

 bility ; the next day however, he was seized with vomiting ; 

 on the 6th, became insensible, the pulse scarcely percep- 

 tible at the wrist, and the extremities cold ; and he conti- 

 nued thus till 1 1 o'clock in the evening, when he expired 

 without a struggle. 



Mr. Eyre, the Purser, was a young man of a corpulent 

 and bloated habit. He had no illness, while in the river ; 

 had not been on shore for three weeks, and had taken very 

 little exercise during the voyage. In the night of the 27th 

 September, when on the passage to Cabenda, he was at- 

 tacked with febrile rigors, severe pain in the head, back 

 and extremities, with general lassitude, prostration and de- 

 pression of spirits, and on the third day he breathed his 

 last. Before death a yellow suffusion had taken place, 

 Avith vomiting of matter, resembling coffee grounds ; this 

 symptom of extravasated blood into the stomach, which oc- 

 cured in many of the cases,M'ould seem to confirm the idea 

 of the disease being the same as that of the Bulam fever. 



Mr. Fitzmaurice, the Master and Surveyor, and Mr. 

 HoDDER, Master's Mate and Midshipman, entirely es- 

 caped the fever, excepting a slight attack, experienced by 

 the former, in consequence of a fatiguing march across 



