Slide showing photograph of 'Spiders and Their Habits'. Slide shows microscopic image of spider's head, and front limbs. Label at top of slide 'Spiders and Their Habits' (printed) 'Palpeinus(?) of A. aquatica' (written) with symbol for male creature. Label at bottom of slide 'Sanders & Co, 71 Shaftesbury Avenue, London, W' (partially obscured). Upper left corner marked with sticker '218'. Number '37' written on tape on top of slide. Late 19th - early 20th century