XIV CONTENTS. 



Chapter XIV. 

 SHELLS. 



?AOE 



Crustacea — Cancer Pagiirus — Gelasimus vocans — Germs Maia 

 — Genus Calapa — Genus Eanina — Mollusca (or Shells) — 

 Circulation — Organs of respiration — Form of the body in 

 the MoUusoa — The nervous system, &c. — Octopus cepha- 

 lopoda — Sepiaria — Pteropoda — Gasteropoda — Pulmonea — 

 Testacella — ^Vitrina — Helix — Pupa — Clausilia — Bulimus 

 — Achatina — Succinea — Aquatic Pulmonea — Genus Lim- 

 nseus — Genus Physse — Genus Auricula — Nudibranchiata — 

 Genus Tritonia — Inferobranchiata — Genus Ancylus — ^Kec- 

 tibranchiata — Bulleea — Heteropoda — Genus Carinaria — 

 Pectinibranchiata — Troehoides — Trochus zizyphinus — 

 T. cinerarius — T. maculata — T. jujubinus — Genus Turbo 

 (or Periwinkles) — Turbo littoreus — T, chrysostomus — T. 

 pica — Genus Phasianella — ^P. Eubens — Genus Nerita — N. 

 peloronta (or bleeding tooth) — N. versicolor — Capuloides 

 — Genus Crepidula — C. onyx — Buccinoides — Genus Couus 

 — Genus Cypraea (Cowries) — C. pediculus — C. coccinella — 

 Genus Colombella — C. mercatoria — Genus Buccinum (the 

 Whelks) — B. undatum — B. lunatum — B. reticulatum — 

 Genus Purpura — P. patulata — P. lapillus — Genus Cassis — 

 C. rufa — C. testiculus — C. flamnea — Genus Strombus — S. 

 gallus — Tubulibranchiata — Genus Vermetus — Genus Ma- 

 gUus — Soutihranchiata — Genus Pissurella — ^F. Grseca — 

 Genus Emarginula — E. Fissura — Cyclobranchiata — Genus 

 patella (or Limpets) — P. pellucida — Genus Chiton — C. 

 marginatus — Acephala — A. testacea — Genus Ostrea (the 

 Oyster) — O. folium — O. crista galli — O. parasitica — GenUs 

 Pecten — P. concentricus (or Scallop) — Genus Area — Arca- 

 cese (or Ark Shells) — ^Arca Nose — A. barbata — Genus 

 Lima — ^Lima glacialis — ^Mytilacese — Genus MytQus — My- 

 tilus exustus — M. elongatus — Carnacea — Genus Chama — 

 Chama arcinella — Cardiacea — Genus Cardium (the 

 Cockles) — Cardium Isevigatum — C. unedo — C. cardissa — 

 Genus Tellina — T. radiata — T. depressa — T. tenuis — Genus 

 Venus — Venus gemma — V. granulata — V. plicata — Genus 

 Cytherea — C. tigerina — C. castrensis — Genus Cyclas — C. 



