I am not sure about hawkes,but....

"Large metropolitan cities such as New York value very thin women; in contrast, small, rural towns prefer full-figured, fertile adult women"


"Men, in general, don't judge women as being fat or thin. Rather, men tend to consider women with a 70% waist-to-hip ratio to be beautiful. E.g., a woman with a 21-inch waist and 30-inch hips, a woman with a 24-inch waist and 35-inch hips, and a woman with a 28-inch waist and 40-inch hips are equally attractive.[6] The 70% or higher waist-to-hip ratio, and the Golden ratio (62% waist-height-to-total-height ratio) indicate health and fertility"

"In the animal world, females initiate 80% of matings (see Flirting). Males who initiate mating are the males that no female will approach"

and....

"Fashion models are thinner than porn stars"

http://www.eioba.com/a70149/how_men_select_women