\ Contents. 



CHAPTER VII. 



PACK. 

 Distribution of Animals. Primary classification, . . . .42 



CHAPTER VIII. 



Sub-kingdom I. Protozoa. Class i,Monera; Order I, Gymno- 

 monera; Order 2, Leponumera. Class 2, Labyrinthuleae. 

 Class 3, Rhizopoda ; Order I, Imperforata ; Order 2. 

 Perforata. Class 4, Flugcllata ; Order I, Monadina ; 

 Order 2, Noctthu ' 5, I'mtoplasta; Order i, 



Catallacta ; Order 2, Amu-bina ; Order 3, Heliozoa, . . 49 



CHAPTER IX. 



Class <>, K.uliolun.t; Order I, Moiiucytt.irui ; Oidu 2. I'oly- 



ryttaiia. ( 'la-^ 7. < nr-.irinina. (>r> 



CHAPTER X. 



7, InliiMtria ; Order I, Opalines; ('idci 2. iViuii: 



( )idci v Acinetina ; Order 4, Stomatoda, .... (^> 

 CHAITKR XI. 



Sub-kingdom II. i'nly^tnnuta or I'orifera ; Order I, Jlalisarcia ; 

 Onler j icr 3, Gumminea2 ; Order 4, 



Halichondrue ; order 5. ( 'mtic.u.r order o, Acantho- 

 spongia ; Order 7, Potamospongia ; Order 8, Cakispongia, . 72 



CHAPTER XII. 



Sub-kingdom III. Oeleiiterata. < 'la--- i , 1 lydru/o.i ; Sub-cl 



Hydroida; Order i, Eleutheroblastea, 79 



CHAPTER XIII. 

 Order 2, Gymnoblastea, 



CHAPTER XIV. 

 Order 3, Calyptoblastea ; Order 4, Monopsca 05 



