LOBSTERS. 



93 



fully and profitably conducted in this country. Much 

 attention has of late been paid to this subject in France, 

 and many most interesting experiments in connexion 

 with it have been tried. The annexed cut represents a 

 set of chambers, or troughs, which were erected in the 

 College de France, Paris, for the hatching of the eggs of 

 the various Crustacea. 1 is the reservoir in which the 

 water is placed ; this runs through the tap, 2, into a 

 series of glass troughs in which gravel has been placed ; 

 3, 3, 3, through which it flows and then discharges 

 itself into the main receiver, 4. This apparatus, although 

 very neat and ornamental, is far more costly than there 



is any need for. Such a contrivance as that repre- 

 sented in the above illustration can be readily put 

 up for a feAV shillings, and will be found to answer 

 every practical requirement as perfectly as the more 

 costly arrangement, a, is a common tub in which a 

 wooden tap is fixed ; b, is a series of shallow earthen- 



