INDEX. 



PAGE 



Allen, H.— Monogram of the Bats of N. A 144 



Alypia Langtonii 64, 460 



A mar a pygmea 60 



Anarrhicas lupus 133 



Annelids in the Trenton Limestone 314 



Annulata in the Post-Pliocene 88 



Apium graveolens 38 



Aspidiumfragrans 240, 402 



Asplenium viride 240, 400 



Athous affinis 61 



Attacus Polyphemus 239 



Agassiz, Mrs. and Alex. — Embryology of Starfish, &c - 4*72 



Bailey, L. W.— On the Geology of New Brunswick 232, 314 



Bats — Allen's Monogram of North American 144 



Beatricea — Billings on the Genus 405 



Billings, E. — On Silurian and Devonian Fossils • . 184, 405 



" — Palaeozoic Fossils 424 



Blood-root— Dr. Gibb on 432 



Boletobius bimaculatus 61 



Bond, George P. — Obituary Notice of 137 



Brachiopoda in the Post-Pliocene 87 



" — List of, in the Trenton Limestone 313 



Brassica campestris 40 



Brassica oleracea 38 



British Association — See contents page i v 



Bryozoa— List of, in the Trenton Limestone 313 



Buccinum — Northern species of, described 364 



Buccinums — A review of the Northern 364 



Book Notices and Reviews — See contents page iv 



Cabbage. — On the Origin of 38 



Calapoecia, (species of, described) 425 



