TENNENT 



32-37. 



38-41. 



Toxopneustea 9 X Hipponoe <5^'. NaOH. 

 Hipponoe $ X Toxopneustes 3^. NaOH. 



Fourth day. 

 Fourth day. 



42-43. Hipponoe 9 X Toxopneustes d*. NaOH. 



44. Toxopneustes 9 X Hipponoe d^. Acetic acid. Fifth day. 



