Sentence:  Persons, who are much subject to worms in these countries, are generally of a pale complexion, with a bluish circle round the eyes; ... and there are various signs of irritation of the digestive tube, with itching at the nose and anus; headache; foul breath and tongue; irregular and sometimes canine appetite, nausea, hiccup, <WSD>borborygmi</WSD>, tenesmus, diarrhœa, and constipation. 
Meaning of the word marked with <WSD> tags:  A gurgling or rumbling noise produced by gas in the bowels; a borborygmus.