It is believed that the following list is complete so far as Stelfox’s conchological papers are concerned, but no attempt has been made to catalogue his entomological papers nor his very many botanical and miscellaneous notes.
1904
(With R. Welch) The Mollusca of Bushy Park, Dublin. Ir. Nat. 13: 121–126.
(With R. Welch) Irish Field Club Union. Report of the Fourth Triennial Conference and Excursion held at Sligo, 12 to 18 July 1904. Mollusca. Ir. Nat. 13: 183–193.
1906
The land and fresh-water Mollusca of North-West Donegal. I. Bunbeg, Gweedore, Horn Head, and Glenveagh Areas. Ir. Nat. 15:62–67.
(With J. N. Milne) Some new Molluscan Records for Co. Tyrone. Ir. Nat. 15: 75.
(With J. N. Milne) A new station for Helix virgata. Ir. Nat. 15: 76.
Helicella zakarensis in Co. Down. Ir. Nat. 15: 110–111.
1907
(With R. Welch) Contributions to the Natural History of Lambay. Land and Fresh-water Mollusca. Ir. Nat. 16: 41–42.
(With R. Welch) Irish Field Club Union. Report of the Fifth Triennial Conference and Excursion, held at Cork, 11 to 16 July 1907. Land and Freshwater Mollusca. Ir. Nat. 16: 273–286.
(With J. N. Milne) Further Notes on the land and freshwater Mollusca of Cork West and Kerry. Ir. Nat. 16: 287–288.
Some notes on the Land and Freshwater Mollusca of Galway and District. Ir. Nat. 16: 353–364.
1908
(With R. Welch) Mollusca of Bushy Park, Dublin (Additions). Ir. Nat. 17: 23.
The Colonization of Mollusca. J. Conch. 12: 140.
1909
Additional notes on the Land and Freshwater Mollusca of north-west Donegal. Ir. Nat. 18: 86–92. Additional localities for the new Irish Vitrina. Ir. Nat. 18: 204.
Land and Freshwater Mollusca from Tooting, London, S.W. J. Conch. 12 : 292–293.
1910
(With A. S. Kennard) On the occurrence in England of Valvata macrostoma Steenbuch. Proc. malac. Soc. Lond. 9: 123.
(With R. Welch) Irish Field Club Union. Report of the Sixth Triennial Conference and Excursion held at Rosapenna, 8 to 13 July 1910. Land and freshwater Mollusca. Ir. Nat. 19: 172–178.
Is Hyalinia helvetica, Blum found in Ireland? Ir. Nat. 19: 210–211.
The distribution of Bythinia leachii in Ireland. Ir. Nat. 19: 240.
Some records of Land and Freshwater Mollusca from the Counties Roscommon and Longford. Ir. Nat. 19: 241–242.
1911
A List of the land and freshwater Mollusks of Ireland. Proc. R. Ir. Acad. 29 B: 65–164.
Hyalinia Rogersi introduced at Hillsborough. Ir. Nat. 20: 77.
1912
Clare Island Survey. Land and Fresh-water Mollusca. Proc. R. Ir. Acad. 31: part 23.
The Terrestrial Mollusca of the Great Blasket and Beginish. Ir. Nat. 21: 185–190.
The occurrence of Helicella heripensis (Mabille) in Great Britain. Proc. malac. Soc. Lond. 10: 39–41.
Notes on some British non-marine Mollusca. Proc. malac. Soc. Lond. 10: 42–44.
1913
On Hygromia rufescens, auct. in Ireland.Proc. malac. Soc. Lond. 10: 290–291.
Limax cinereo-niger Wolf. Belfast Naturalists’ Field Club Quarterly Journal I: 7–8.
1914
John Templeton’s Notes on Irish land and fresh-water Mollusca. Ir. Nat. 23: 29–35.
On references by W. E. Leach to Irish land and fresh water shells. Ir. Nat. 23: 35–36.
Land and freshwater Mollusca of the valley of the Roe, Benevenagh and Magilligan, Co. Derry. Ir. Nat. 23: 125–132.
The life history and habits of our freshwater bivalve shells. Belfast Naturalists’ Field Club Quarterly Journal I: 33–35.
1915
A cross between typical Helix aspersa and var. exalbida: its results and lessons. J. Conch 14: 293–295.
A list of the land and freshwater Mollusca of the Dingle promontory. Ir. Nat. 24: 17–37.
1916
The record of Paludestrina jenkinsi Smith for the Aran Islands. – A Correction. Ir. Nat. 25: 83–84.
1917
Otina otis (Turton) on the county Down coast. Proc. malac. Soc. Lond. 11: 318–319.
1918
(With R. A. Phillips) Recent extensions of the range of Pisidium hibernicum. Ir. Nat. 27: 33–50.
On the recent misapplication of the names Pisidium nitidum and Pisidium pusillum of Jenyns. J. Conch. 15: 235–239.
Researches into the hereditary characters of some of our British Mollusca. Part II. J. Conch. 15: 268–275.
The Pisidium fauna of the Grand Junction Canal in Herts. and Bucks. J. Conch. 15: 289–304. James Napier Milne. Ir. Nat. 27: 129.
1919
Notes on the lake-forms of Limnaea pereger. Ir. Nat. 28: 9–12.
Pisidium parvulum in Co. Antrim. Ir. Nat. 28: 92–93.
1920
Local Mollusca from north-east Ireland. Ir. Nat. 29: 122–133.
1921
Pisidium clessini in British lochs. Nature London 108: 40–41.
1922
On the Pisidium gassiesianum of Dupuy. Proc. malac. Soc. Lond. 15: 52–53.
Report on the Gassies collection of Pisidia in the Musée d’histoire naturelle de Bordeaux. Proc. malac. Soc. Lond. 15: 54–57.
Helicella heripensis: supposed Occurrence in Ireland. Ir. Nat. 31: 11.
1923
Helicella itala L.: an addition to the Fauna of Lambay. Ir. Nat. 32: 87.
Water snails and liver fluke. Nature London 111: 49.
1924
Helicella heripensis in Ireland. J. Conch. 17: 182.
Helicella heripensis in Co. Kildare. Ir. Nat. 33: 67.
1925
Vertigo genesii Gredler in Ireland. Part I. J. Conch. 17: 236–240.
1927
Paludestrina jenkinsi in Lough Neagh and elsewhere. Ir. Nat. J. 1: 174–175.
1929
Land and freshwater Mollusca: in Report on recent additions to the Irish fauna and flora (terrestrial and freshwater), by R. Ll. Praeger. Proc. R. Ir. Acad. 39 B: 6–10.
The pond snail, Limnaea glabra, rediscovered in Ireland. Ir. Nat. J. 2: 182–183.
The garden snail. Ir. Nat. J. 2: 240–242.
The habitats of Vertigo lilljeborgi West. in Ireland. J. Conch. 18: 313–315.
1931
Rare slug in north Co. Dublin. Ir. Nat. J. 3: 197.
1935
The limpet as a cat-catcher. Ir. Nat. J. 5: 229–230.
1936
Trochus (= Monodonta) lineatus living on the coast of Dublin. Ir. Nat. J. 6: 146.
1937
The slug Milax gracilis in Co. Dublin. Ir. Nat. J. 6: 228.
1940
Fauna List: in Studies on Irish Quaternary Deposits: some lacustrine deposits near Dunshaughlin, County Meath, by G. F. Mitchell. Proc. R. Ir. Acad. 46 B: 36.
1941
Fauna List: in Studies on Irish Quaternary Deposits No. 2. Some lacustrine deposits near Ratoath, Co. Meath, by G. F. Mitchell. Proc. R. Ir. Acad. 46 B: 182.
1942
(With A. M. Gwynn and G. F. Mitchell). The Exploration of some caves near Castletownroche, Co. Cork (Studies in Irish Quaternary Deposits no. 4). Proc. R. Ir. Acad. 46 B: 371–390. (Moll. p. 385).
Extension of the known range of Vertigo moulinsiana Ir. Nat. J. 8: 37–38.
1943
Lymnaea palustris in captivity. J. Conch. 22: 72.
1945
A large race of Cepaea nemoralis L. (and other Mollusca) at high altitudes in the Galtee Mountains, Co. Tipperary South. J. Conch. 22: 168.
Cepaea nemoralis L. in the Dartry Mountains. J. Conch. 22: 170.
1946
Some Pisidia from the tarns of the Galtee Mountains, Co. Tipperary South. J. Conch. 22: 176.
Robert Albert Phillips (1866-1945). J. Conch. 22: 205.
1947
The Kerry slug (Geomalacus) in the Dingle Peninsula. Ir. Nat. J. 9: 100.
1952
(With N. F. McMillan) Survey of Inishtrahull: Part 6 (Report on the Mollusca collected by Messrs. Ranald MacDonald, B.Sc., and D. J. Sullivan). Ir. Nat. J. 10: 232–235.
Mollusca at high altitudes in the Scottish highlands. J. Conch. 23: 271–272.
1958
A short history of the known occurrences of Helicella gigaxi (L. Pfeiffer) in Ireland. J. Conch. 24: 283–284.
1959
Potamopyrgus jenkinsi (Smith) in West Donegal. J. Conch. 24: 358.
1962
(With N. F. McMillan) Viviparus viviparus (L.) in Ireland. J. Conch. 25: 171–121.
1963
Is Agriolimax caruanae a native slug? Ir. Nat. J. 14: 101–102.
1966
(With N. F. McMillan) The distribution in Ireland of very dark forms of Cochlicella acuta (Müller). J. Conch. 26: 51.
1968
On the inheritance of scalariformity in Helix aspersa. J. Conch. 26: 329–332.
1969
Marpessa laminata (Montagu) bred in a small box for fifty-four years. J. Conch. 27: 11–12.
1971
(With G. F. Mitchell) Late glacial deposits at Ballyclander, near Downpatrick, Co. Down. Ir. Nat. J. 17: 1–20.
1972
(With J. G. J. Kuiper, N. F. McMillan and G. F. Mitchell). The late-glacial and post-glacial Mollusca of the White Bog, Co. Down. Proc. R. Ir. Acad. 72 B: 185–207.