TY - JOUR AU - Hancock, Albany ID - 89939 TI - XXXVIII.—Observations on Mr. Morris's paper on the excavating sponges JF - Annals And Magazine of Natural History SN - 0374-5481 VL - 4 SP - 355 EP - 357 Y1 - 1849 UR - http://biostor.org/reference/89939 L2 - http://www.biodiversitylibrary.org/page/32952529 ER -