Buckland's conjecture that they were of faecal origin, and similar to the album grecum or excrement of hyaenas, was confirmed by Dr W.
Sir Charles Cameron attributes the prevalence of typhoid in certain areas in Dublin to the soil becoming saturated with faecal matter and specifically infected.
Oliveri, Gazz., 1886, 16, p. 493) It crystallizes in colourless needles which melt at 50° C. It possesses a disagreeable faecal odour, sublimes readily, and turns brown on exposure to air.
- a, Stephanoceros eichornii in gelatinous tube; b, Acyclus inquietus in gelatinous tube, with eggs; c, Floscularia coronetta in gelatinous tube, with eggs; d, A psilus bucinedax, showing lateral (distal) antennae funnel of mouth hanging into enormous crop, stomach at apical end with gastric glands, anus on postero-ventral surface, large coiled kidneys at proximal end, uniting into median duct; e, Melicerta ringens in tube; f, same, proximal end enlarged, showing a pellet in the cup proximal to the paired lateral antennae; g, Melicerta janus, tube formed of faecal pellets.
The cloaca is often very large; the nephridia and oviducts may open into it, and the eggs lodge there on their way outwards; they are thrown out, as are the faecal masses, by an eversion of the cloaca.