WORKS PUBLISHED BY MR. VAN VOORST. 



BY t)e 3eb. jb. <K. fHalan, M.A., M.A.S. 



A SYSTEMATIC CATALOGUE OF THE EGGS OF BRITISH 

 BIRDS, arranged with a View to supersede the use of Labels for 

 Eggs. On writing-paper. 8vo. 8s. 6d. 



BY Jtoljtt JHorris, F.G.s. 



A CATALOGUE OF BRITISH FOSSILS. Comprising all the 

 Genera and Species hitherto described; with References to their 

 Geological Distribution, and to the localities in which they have 

 been found. 8vo. 10s. 



BY Cljomas ifttoule. 



HERALDRY OF FISH. The Engravings, 205 in number, are from 

 Stained Glass, Tombs, Sculpture and Carving, Medals and Coins, 

 Rolls of Arms, and Pedigrees. 8vo., 21s. A few on large paper 

 (royal 8vo) for colouring, price 21. 2s. 



BY (Efctoarir Ketontan, F.L.S. 



A HISTORY OF BRITISH FERNS AND ALLIED PLANTS. 



With an Engraving of Each Species. Second Edition, 8vo. 25s. 

 A FAMILIAR INTRODUCTION TO THE HISTORY OF 

 INSECTS. With numerous Illustrations. One vol. 8vo. 12s. 



BY professor toett, F.R.S., $c. 



A HISTORY OF BRITISH FOSSIL MAMMALS AND 

 BIRDS. In 8vo., with 237 Illustrations, price ll.lls.6d.; on 

 large paper (royal 8vo.), 31. 3s. 



ON PARTHENOGENESIS ; or, The Successive Production of Pro- 

 creating Individuals from a single Ovum. 8vo. 5s. 



ON THE NATURE OF LIMBS. A Discourse delivered on Fri- 

 day, February 9th, at an Evening Meeting of the Royal Institution 

 of Great Britain. 8vo. 6s. 



ON THE ARCHETYPE AND HOMOLOGIES OF THE VER- 

 TEBRATE SKELETON. Twenty-eight Woodcuts, Two Folio 

 Plates, and Three Tables of Synonymes. 8vo. 10s. 



DESCRIPTION OF THE SKELETON OF AN EXTINCT 

 GIGANTIC SLOTH. With Observations on the Osteology, na- 

 tural Affinities, and probable Habits of the Megatherioid Quadrupeds 

 in general. 4to. II. 12s. 6d. 



DESCRIPTIVE AND ILLUSTRATIVE CATALOGUE OF THE 

 PHYSIOLOGICAL SERIES OF COMPARATIVE ANA- 

 TOMY, contained in the Museum of the Royal College of Surgeons 

 in London. 5 vols. 4to., each II. 11s. 60?. 



CALCULI AND OTHER ANIMAL CONCRETIONS, 10s. plain, 

 11. 11s. 6d. coloured. 



FOSSIL ORGANIC REMAINS OF MAMMALIA AND 



BIRDS. 21s. 

 BY $. fl. $aleg, M.A. 



A MANUAL OF GOTHIC MOLDINGS. A Practical Treatise 

 on their Formation, Gradual Development, Combinations, and Varie- 

 ties; with full Directions for copying them, and for determining their 

 Dates. Second Ed., Illustrated by nearly 600 Examples. 8vo. 7s. 6d. 



JOHN VAN VOORST, 1, PATERNOSTER ROW. 



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