2-40 PSEUDO-HELMINTHS. 



Fig. 5. — Cypris cinerea : — Plumose seta, second antenna, x 595 diam. 



6. — Ditto, second foot male, ^th of an inch, Zeiss. 



7. — Ditto, ,, ,, female, ,, ,, 



8. — Ditto, female emjity receptaculum-semines, ^th inch, Zeiss. 



9. — Cypris miituta, male, bursa copulatrix, letters same as in Fig, 

 1, X 595 diam. 



10. — Cypris minuta, male, second foot, x 595 diam. 



11. — Ditto, taken from intestine of a Stickleback after the viscera 

 has been digested, x 155 diam. 



12. — Cypris cinerea: — Anterior end of mucous glandulosa, show- 

 ing stoma, X 595 diam. 



pscubo^lbchninthci : points in tbc IHatural 

 Ibietor^ of a IReniatobc Mornu 



By Jabez Hogg, F.R.M.S., M.R.C.S., etc. 



IN my paper on " The Embryo of a Parasitic Entozoa," in the 

 Jownal of Microscopy and Natural Scte?ice, July, by a slip of 

 the pen, the measurement of the embryo, as given on page 

 172, is, I find, somewhat over-estimated. I had, in fact, forgotten 

 for the moment that I was viewing it under a somewhat low 

 magnifying power. A few lines further on 1 would also ask the 

 readers of the Journal to substitute the word " epithelial " for 

 " tesselated." I should be glad, at the same time, to avail myself 

 of the opportunity to offer a few remarks on several communica- 

 tions with which I have been favoured on the interesting question 

 of spurious parasites, or, as they are designated by writers on this 

 branch of natural history, " pseudo-helminths," the greater part of 

 which have no relation whatever to the animal kingdom. 



First, let me say, once and for all, that with regard to henbane 

 seeds, as a remedy in toothache, I have had no personal expe- 

 rience of its efficacy, and can offer no opinion ; but more than one 

 of my correspondents furnish me with confirmatory evidence on 

 this point. Dr. Ringwood, for instance, says : — " I have known 

 cases where, though the teeth were bad, but free from pain, 

 henbane-seed inhalations have been followed by the expulsion of 



