(i) Alimentary canal-position of pharynx, number of gizzard.
(ii) Number and position of calciferous glands.
(iii) Segment from which intestine begins, position of caecae, typhlosole, if present.
(iv) Number of lateral hearts, position of last hearts..
(v) Type of nephridia (holonephridia or meronephridia) and their position.
(vi) Position and number of testis pair, funnels, seminal vesicles, spermathecae, ovaries, oviduccal funnel, ovisac, if any.
(vii) Position and type of prostate glands (tubular or racemose).