Trichostrongylus Colubriformis (Giles 1892), a Human Parasite

The change of name of a human parasite is not a matter which is likely to provoke much enthusiasm in the minds of most medical men. 1 hope, however, that, for members of the Indian .Medical Service, there may be, in the present instance, at least some compensating satisfaction in the feeling that there is, as I hope to show, definite proof that the correct name of the parasite, at present known as Trichostrongylus instabilis, Railliet 1893, is Trichostrongylus colubrif'ormis, (riles 1892, and that it will, therefore, become permanently associated with the name of the latter, having been first found and described by Giles when he was a distinguished member of the Indian Medical Service. It will follow that the particular form in which this paper is presented is due to the fact that it is intended for publication in a medical journal. For this reason it is permissible to begin by a reminder that one of the well-known principles which have been accepted by zoologists, in order to fix with stability the names of animals, is that