* * * * * _Professional Men, Universities, Schools, &c., allowed special terms._ * * * * * =Our newly invented Thorium Inhalers may be had on hire.= * * * * * ARMBRECHT, NELSON & CO., _71 & 73, Duke Street, Grosvenor Square, London, W._ Telephone: GERRARD 4942. * * * * * N.B.—We have to-day received a consignment of the New Zealand Vegetable Caterpillar; it is from 2 to 3 inches long, with a stem showing fructification growing out of its head. Scientific name of the insect is _Hepialus virescens_; the name of the fungus is _Sphaeria Robertsiana_. Specimens may be had from =10/6= to =21/-=, according to quality and size. TERMS CASH WITH ORDER. _Goods may be returned if not approved of, when money will be refunded._ ------------------------------------------------------------------------ TRANSCRIBER’S NOTES 1. Silently corrected typographical errors and variations in spelling. 2. Anachronistic, non-standard, and uncertain spellings retained as printed. 3. Enclosed italics font in _underscores_. 4. Enclosed bold font in =equals=. 5. Superscripts are denoted by a caret before a single superscript character or a series of superscripted characters enclosed in curly braces, e.g. M^r. or M^{ister}. 6. Subscripts are denoted by an underscore before a series of subscripted characters enclosed in curly braces, e.g. H_{2}O. End of Project Gutenberg's Radio-Active Substances, by Sklodowska Curie