238 CURIOUS HOMES AND THEIR TENANTS. 



necessary size they trace a square, with one of its sides 

 parallel and overlooking the edge of the water, which 

 is left open for the going out and coming in of the 

 colony ; then with their beaks they proceed to col- 

 lect all the stones in the neighborhood, which they 

 heap up outside the lines marked out, to serve them 

 as a wall to shelter them from the prevailing winds. 

 During the night these openings are guarded by sen- 

 tinels. 



" They afterward divide the inclosure into smaller 

 squares, each large enough to receive a certain num- 

 ber of nests, with a passage between each square. 

 No architect could arrange the plan in a more regu- 

 lar manner." 



Penguin city is laid out with streets and lanes, 

 along which groups of citizens may constantly be seen 

 going to or coming from the water. 



Dr. Bennett, in speaking of one of these cities, says 

 it occupied from thirty to forty acres of ground ; and 

 so numerous were its inhabitants, that during the 

 whole day and night from thirty to forty thousand 

 of them are continually going to sea, and as many 

 landing. 



" They are," he says, " when on shore, arranged in 

 regular ranks, in as compact a manner as a regiment 

 of soldiers, and are classed with the greatest order, 

 the young birds in one place, the molting birds in 

 another, the sitting hens in a third, and the clean 

 birds, in perfect feather, in a fourth ; and so strictly 

 is this order kept, that where a bird endeavors to in- 

 trude itself in a class to which it does not belong, the 



