﻿Presidents Address. 



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Oxyuris vermicular is, L. — Quite common in man (Dr Gulland). 



Strongylus pergracilis, Cobb. — Common in the cseca of grouse. 

 Mr Shipley has recently had it from grouse killed on the Pent- 

 lands. I have seen another Thread-worm in the droppings of 

 oTouse on Auchencorth Moor. 



S. Jilaria, Rud. — Several from lungs of a sheep, Crosswood, 

 Pentlands, April 1908. 



Sclerostomum equinum, Miill. {JStrongylus armatus, Rud.) — 

 Specimens from a horse have been sent to me by Mr Linton. 



*S'. tetracantlium, Dies. — In 1906 a young horse on a farm at 

 Crail nearly succumbed to an attack of this small red worm, and 

 Dr Ashworth tells me he has specimens from the Edinburgh 

 district. 



Ollulanus tricuspis, Leuck. — From cat, Edinburgh (W. Stirling, 

 Quart. Jour. Micr. Sci., 1877, p. 145). 



Syngamus trachealis, v. Sieb.^ — The so called "fork-worm," the 

 cause of "gapes" in poultry and other birds, is common in this 

 district, being especially troublesome among young pheasants. 

 In some places, as in Dalmeny Park, it also causes considerable 

 mortality among young thrushes and blackbirds. 



Trichocephalus trichiurus, L. {dispar, Rud., Iiominis, Gmel.) — 

 Dr Gulland informs me he has only once seen a case of this here. 



Trichina spiralis, Owen- — Encysted in abundance in the 

 muscles of a rat caught in Edinburgh (A. B. Stirling, Jour. 

 Anat. ayid Phys., vi. (1872) p. 425). Very rare here in the human 

 subject (Dr Gulland). 



Ehabditis, sip.1 — A minute Nematode belonging to this genus 

 was plentiful in the lining of a rook's nest from Dunipace, May 

 1905 (W. E.). 



Tylenchus devastatrix, Kuhn. — This agricultural pest, the Eel- 

 worm of clover sickness, occurs in the district. 



Bunonema ricktersi, Jag. — In sphagnum from Thornton Moss, 

 Fife, Dec. 1905 (Murray, I c). 



B. reticulatum, Richt. — In wet moss, Thornton, Hopetoun, 

 and Bridge of Allan, Dec. 1905 (Murray, I.e.); also in sphagnum 

 from near top of Ben Ledi, Sept. 1906 (W. E.). 



Desmoscolex minutus, Clap. — Got by me in seaweed at Morrison's 

 Haven, Nov. 1905 (Murray, I.e.). 



A Nematode has been noted by Scott in Sagitta from the 

 Firth of Forth {Fish. Bd. Rept. for 1895, p. 165). 



Nematomorpha. — The horse-hair worm, or " hair-eel " — 

 Gordius aquaticus of authors — occurs here, but is not plentiful. 

 I have found it in Braid Burn, the Tyne at East Linton, etc.; 

 and Dr Ashworth has shown me a specimen that came 

 through a water-tap at Aberdour in 1906. Sir John Dalyell 

 {pp. cit.) figures one which was extracted from the throat 

 of " a person in Edinburgh belonging to the establishment of 

 the Royal Bank," who had swallowed it with a draught of 

 ^ Fasciola trachea, Montagu, Mem. Wern. Soc, i. (1811) p. 197. 



