. The earthworms (lumbricidae and sparganophilidae) of Ontario. Lumbricidae; Worms. secondary annulation (Fr. sillons transversaux m.) (sa) The furrows which occur between the intersegmental furrows (). These demarcations are only exter- nal and are labelled a, /?, or y. mD. segment (Fr. segment m.) A portion of the body, along the anteroposterior axis, be- tween two consecutive intersegmental fur- rows and the associated septa. Segments are numbered with lower case roman nu- merals, i, ii, iii, etc., beginning anteriorly with the peristomium as i. The older sys- tem and some microdrile wo


. The earthworms (lumbricidae and sparganophilidae) of Ontario. Lumbricidae; Worms. secondary annulation (Fr. sillons transversaux m.) (sa) The furrows which occur between the intersegmental furrows (). These demarcations are only exter- nal and are labelled a, /?, or y. mD. segment (Fr. segment m.) A portion of the body, along the anteroposterior axis, be- tween two consecutive intersegmental fur- rows and the associated septa. Segments are numbered with lower case roman nu- merals, i, ii, iii, etc., beginning anteriorly with the peristomium as i. The older sys- tem and some microdrile workers used up- per case numerals, I, II, III, etc. seminal receptacles See spermathecae. seminal reservoirs See seminal vesicles. Trr. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Reynolds, John W. , 1941-; Royal Ontario Museum. Toronto : Royal Ontario Museum


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Keywords: ., bookcentury1900, bookcollecti, bookleafnumber42, booksubjectworms