Howlin Creatures, Mattapan Postcards Howlin Creatures, Mattapan No. 2461 Postcard. Caption on front: I’se been up against some howlin creatures in Mattapan and needs your protection. Postmarked Apr 6, 1913, with one-cent stamp. Facebook Twitter Print Friendly Skills Dorchester, I'se been up against some howlin creatures, Mattapan Posted on December 7, 2022 ← Camels at Franklin Park Zoo Prendergast Preventorium →