^^ ZOOGENESIS "^^^"^ 



Fig. 66. — A sea-walnut or ctenophore (Mnemiopis leideyt). From 



A. Agassiz. 

 Fig. 67. — A colony of polyzoans {lS\ucrondla -^avondld). From 



Lankester. 

 Fig. 68. — A portion of the preceding, much enlarged. From 



Lankester. 



Some Ccelenterates and a Solenogaster (Page 12.7) 



Fig. 69. — A hydroid (Hippirella annulatd). From A. Agassiz, 



after Fewkes. 

 Fig. 70. — An antipatharian {Antipathes columnaris). From A. 



Agassiz, after Pourtales. 

 Fig. 71. — A small portion of another kind of antipatharian. 



From A. Agassiz, after Pourtales. 

 Fig. 71. — An umbellularian (U??2belhdaria guntheri). From A. 



Agassiz. 

 Fig. 73. — A common jellyfish of warm seas (Velella mutica). 



From A. Agassiz. 

 Fig. 74. — A moUusk of the type known as a solenogaster (Frone- 



omenia sluiteri). From Sedgwick, after Hubrecht. 



Various Ccelenterates (Page 143) 



Fig. 75. — Much enlarged portion of a colony of a hydroid (Obelia 



artkulatd). From Fraser, 

 Fig. 76. — A colony of the same hydroid. From Fraser. 

 Fig. 77. — A sea-pen or pennatulid QAnthopikifn thomson'i). From 



A. Agassiz. 

 Fig. 78. — A jellyfish (Glossocodon temiirostris) from the Gulf 



Stream. From A. Agassiz. 

 Fig. 79. — A deep-sea sea-anemone QActinauge nodosa). From A. 



Agassiz, after Verrill. 

 Fig. 80. — A stony coral or madreporarian (Forites davarid). 



From A. Agassiz. 



Various Types of Animal Life (Page 161) 



Fig. 81. — A parasitic nematode (Trichostrongyhis fiberius). From 



Hall, after Barker. 

 Fig. 8i. — A tapeworm (Mtdtice-ps multke-ps) from a dog. From 



Hall. 



