xxxii CONTENTS VOLUME I. 



Family of Pectinibranchiata Capuloida Pileopsis Hipponyx - 



Crepidula Calyptrsea Siphonaria Sigaretus. 

 Order of Gasteropoda Tubulibranchiata. 

 Order of Gasteropoda Scutibrancliiata Haliotis Fissurella Emar- 



ginula. 



Order of Gasteropoda Cyclobranchiata Patella Chiton. 

 Order of Gasteropoda Inferobranchiata. 

 Order of Gasteropoda Tectibranchiata PJeurobranchus Aplysia - 



Dolabella Bullea Bulla. 



Order of Gasteropoda Nudibranchiata Eolidia Glaucus. 

 Order of Gasteropoda Heteropoda Carinaria. 

 Class of Mollusca Pteropoda Clio borealis P. 526^ 



LESSON V. 



Class of Mollusca Acephala, or Lamellibranchiata Organization- 

 Classification. 



Family of Ostracea Classification Oysters Gryphsea Pecten 

 Lima Malleus Anornia Spondylus Perna Ether ia Avi- 

 cula Pearls Pearl Fishery Pinna Area Pectunculus Tri- 

 gonia. 



Family of Mytilacea Mussels, (Mytilus) Modiolus Anodonta 

 Unio. 



Family of Chamacea Tridacna Chama Isocardia P. 68 82 



LESSON VI. 



Family of Cardiacea Cardium Donax Cyclas Corbis Tellina 



Venus Petricola Venerupis Mactra. 

 Family of Inclusa Lutraria Mya Byssomia Hiatella Solen 



Sanguinolaria Pholas Teredo Fistulana Gastrochsena Cla- 



vigella Aspergillum. 

 Class of Mollusca Brachiopoda General Characters Lingula 



Terebratula Orbicula. f 



Class of Mollusca Tunicata, or Acephala Nuda Biphora Ascidia 



Botryllus Pyrosoma Parts of Shells P. 83 IOC 



