140 Dr. M axon's a«f/ iV/r. R AC KETx's 



ad fideni scnsus referri possinf, in id maxime incubui ne ipse pruuum 

 dccevtus posteros in errorem diicerem. Snmmam sane diligentiam ad- 

 hibiii, lit veras species distinguendo, non multipUcando citra nectssita- 

 tem sitigulis, minutissimis licet, Jidissimis tamen observationibiis, qua ad 

 animaliiim mores vitamque spectarent, exornarem." Some additional 

 species, Avith further remarks on many before described, were 

 floured in an " Appendix," wliich went through two editions, the 

 first being published in quarto at York in the year 1681, and the 

 after subjoined to his edition of Goedart's Insects. This entomo- 

 logical work was published in an octavo form, with twenty plates, 

 two of which contain figures of shells. The original " Appendix" 

 is now become very scarce. 



It was in the year lG85 that Lister commenced the publication 

 of his great Testaceological work entitled " Historia sive Si/nopsis 

 methodica Conchyliorum," which was divided into four books, be- 

 sides a mantissa. 

 Lib. 1. De Turbinibiis terrestrihus. 



2. De Tiirb. aqua diilcis et Bivalvibiis aqua dulcis. 



3. De Bivalv. marinis, et Conchis anatiferis. 



4. De Patellis, Dentalibus, cj-c. et de Buccinis ynarinis. 

 The plates (which were 1057 in number) had very different di- 

 mensions; in some instances containing a single figure, in others 

 several figures, and not unfrequently more than one distinct spe- 

 cies on the same plate. Concise descriptions are engraved on most 

 of them, with references, Avherever they could be given, to the 

 places whence the specimens were brought. Our author seems 

 to have been principally indebted to the museum of Mr. Cour- 

 tein for the means of representing and describing those species 

 with which he Avas not himself provided ; but that his own collec- 

 tion was not deficient, either in number or perfection of speci- 

 mens, is evident from what remains of it in the Ashmolean 



museum 



