AETIFICIAIi HATCHING OF SPAWN. 



41 





te* 



Vh'<at 



GEBBNHOTSE APPABArUS. 



from the last trougli conveying the water into a drain. 

 I was rather in dread at first of sediment and con- 



hatched in a space of about six square feet, or less even than that, 

 the actual space being about eight feet by three. 



