, ▁bounds ▁Bow ers ▁Bas in . ▁ ▁The ▁northern ▁part ▁of ▁the ▁Sh ir sh ov ▁R idge ▁formed ▁ 9 5 ▁My ▁before ▁the ▁present . ▁The ▁r idge ▁grows ▁younger ▁as ▁it ▁goes ▁south , ▁with ▁the ▁southern ▁part ▁of ▁the ▁Sh ir sh ov ▁R idge ▁formed ▁ 3 3 ▁My ▁ago ▁( E ar ly ▁O lig oc ene ). ▁Bow ers ▁R idge ▁was ▁formed ▁ 3 0 ▁My ▁before ▁the ▁present ▁( L ate ▁O lig oc ene ). ▁ ▁References ▁▁ ▁Category : O cean ic ▁bas ins ▁of ▁the ▁Pacific ▁Ocean ▁Category : Land forms ▁of ▁the ▁Ber ing ▁Sea <0x0A> </s> ▁was ▁the ▁pen - name ▁of ▁a ▁Japanese ▁literary ▁critic , ▁active ▁in ▁Ta ish ō ▁period ▁Japan . ▁His ▁real ▁name ▁was ▁K uri y ag awa ▁T ats uo . ▁ ▁Early ▁life ▁▁ ▁K uri y ag awa ▁H ak us on ▁was ▁born ▁in ▁Ky oto . ▁He ▁graduated ▁from ▁Tokyo ▁Imperial ▁University , ▁where ▁he ▁had ▁studied ▁under ▁Ko iz umi ▁Y ak um o ▁and ▁N ats ume ▁S ō se ki , ▁and ▁later ▁became ▁a ▁professor ▁at ▁K um am oto ▁University ▁and ▁Ky oto ▁Imperial ▁University . ▁He ▁lect ured ▁on ▁ 1 9 th ▁century ▁Western ▁literature , ▁and ▁critic ized ▁traditional ▁Japanese ▁writing ▁on ▁natural ism ▁and ▁rom antic ism . ▁His ▁writ ings ▁include : ▁Kind ai ▁b ung aku ▁j ik ko ▁(" T en ▁As pect s ▁of