Two Letters Formerly Written to Mr. H. O, by Dr. M.L. Ist. concerning Some Very Aged Persons in the North of England. 2d. about the Projection of the Threads of Spiders, of Bees Breeding in Cases Made of Leaves, of a Viviparous Fly, and of Great Numbers of Maggots Observed at the Time of the Plague, A. D. 1666 M. Lister
A Letter from Mr Anthony Van Leeuwenhoek, F. R. S. concerning Spiders, Their Way of Killing Their Prey, Spinning Their Webbs, Generation, etc A. van Leeuwenhoek