1. The anatomy of Arenicola assimilis Ehlers and of a new variety ofthe species, with some observations on the post‐larval stages;Ashworth J. H.;Quart. J. micr. Sci.,1903
2. La collection des Arénicoliens du Muséum d'Histoire Naturelle deParis (avec la description de I'Arenicola pusilla de Quatrefages);Ashworth J. H.;Ann. Sci. mat.(Zool.),1910
3. Die Arenicoliden‐Sammlung im Königl. Zoologischen Museum inBerlin;Ashworth J. H.;Mitt. zool. Mus. Berl.,1910
4. The Arenicolidae of South Africa, including an account of Arenicolaloveni Kinberg;Ashworth J. H.;Ann. S. Afr. Mus.,1911
5. The annelids of the family Arenicolidae of North and South America, including an account of Arenicola glacialis Murdoch