xii CONTENTS. 



PAGE 



Characteristics of the Sub-kingdom Vekmes .... cxxii-cxxvii 



„ Class Annulata Proper cxxvii-cxxxi 



„ „ Gephyrea cxxxi-cxxxiii 



„ „ Nematehninthes .... cxxxiii-cxxxvii 



„ „ Rotifera cxxxviii-cxl 



„ „ Platyelminthes cxl-cxliii 



Characteristics of the Sub-kingdom Echinodermata . cxliii-cxlvii 



„ Class Holothurioiclea cxlvii-cl 



„ „ Echinoidea cl-cliii 



„ „ Aster oidea ...... cliii-cliv 



„ „ Crinoidea cliv-clvi 



Characteristics of the Sub-kingdom Coelenterata . . clvi-clvii 



„ Class Ctenophorae clvii-clviii 



„ „ Anthozoa clviii-clix 



„ „ Hydrozoa clix-clx 



Characteristics of the Sub-kingdom Protozoa. , . . clx-clxi 



Relations of the various classes of this sub-kingdom, 



mter se clxi-clxii 



Means for distinguishing animal from vegetable organisms clxii-clxiv 



Characteristics of the Class Infusoria clxiv-clxv 



„ „ Ehizopoda clxv-clxvi 



,, ^ „ Spongiadae clxvi-clxvii 



„ „ Gregarinae clxvii-clxviii 



II. DESCRIPTION OP PREPARATIONS. 



From the Class Mammalia. 

 Prep. I. Dissection of Rat {Mus decumanus), showing its 

 craniospinal nervous axis, and portions of 

 most of the organs of vegetative life ... 1-4 



Prep. 2. Skeleton of Common Rat {Mus decumanus) . . 5-9 



Prep. 3. Cervical, Dorsal, and Lumbar Vertebrae of Rabbit 



{Lepus cuniculus) 10-12 



From the Class Aves. 

 Prep. 4. Dissection of Common Pigeon {Columha livia), 

 showing nervous, digestive, circulatory, and part 



of respiratory and renal systems 12-16 



Prep. 5. Skeleton of Common Pigeon [Columha livia) . . 17-25 

 Prep. 6. Skull and Trunk-bones of Common Fowl {Gallus 



gallinaceus) 25-29 



