in the poem the tortoise in eternity,what does the poet refer to writing patterned horn?

2 answers

Seems to me like the shell. It's of the same material as horns, and has a pattern. The shell functions as a house.
Take a look at the pictures of tortoises and tell us what you think.

http://www.google.com/search?q=tortoise+horn&hl=en&biw=711&bih=453&prmd=imvns&source=lnms&tbm=isch&ei=qBCOTsnFBeajsQK6we2HAQ&sa=X&oi=mode_link&ct=mode&cd=2&sqi=2&ved=0CBQQ_AUoAQ#hl=en&tbm=isch&sa=1&q=tortoise+&pbx=1&oq=tortoise+&aq=f&aqi=g1g-s1g8&aql=&gs_sm=e&gs_upl=4312l4312l0l7743l1l1l0l0l0l0l139l139l0.1l1l0&bav=on.2,or.r_gc.r_pw.,cf.osb&fp=5541c72b049e9a81&biw=711&bih=453

http://www.poemhunter.com/poem/the-tortoise-in-eternity/