As a paleontologist, he strove to attain a very high degree of precision in his drawings, taking great pains to ensure that they were accurate down to the finest detail.
وفي عمله كعالِم احافير سعى جاهدا لبلوغ درجة عالية جدا من الدقة في رسومه ،‏ باذلا جهدا كبيرا ليضمن دقتها بكل تفاصيلها .‏