51.   Death rates can be criticized in that the denominator population is a somewhat fluid concept.

52.   When similar legislation was introduced in Canada, where the population is smaller, millions of dollars were invested in a four-year research programme.

53.   If the present population is eighty three percent calculate the planned population in five years time.

54.   Among regions of the United States, its total bird population is second only to the Gulf Coast of Texas.

55.   An aging population is one reason so many houses are for sale on Long Island.

56.   An aging baby-boom population is likely to push vitamin sales to new heights.

57.   And because cod and haddock like to eat squid, he said, an ample population is key to restoring the stock of those fish.

58.   And its population is diverse, as one might expect in a country of that reach.

59.   And mosquito populations are down because there is a lack of still water to nourish young.

60.   And population is up or stable.