STUDIES ON MARINE BRYOZOA. I. AEVERRILLIA SETIGERA (HINCKS) 1887 . MARY DORA ROGICK Marine Biological Laboratory and College of Nczv Rochclle TABLE OF CONTENTS PAGE Introduction 201 Distribution 201 Ecology 202 Description of species 203 Table I 205 Discussion 212 Summary 213 Literature cited 213 Explanation of Plate I 206 Explanation of Plate II 208 INTRODUCTION During the summer of 1944 collections of Aevcrrillia setigera were made at New Bedford and Woods Hole, Massachusetts. Perusal of literature pertaining to this species showed that a more complete account of this form would not be amiss. This article brings together all available distribution and anatomical data previously given for this form and adds to it some new distribution data, more complete illustrations than were heretofore available and a considerable amount of anatomical and some ecological data. The writer wishes to acknowledge, with sincere appreciation, the kindness of Dr. Hannah Croasdale of Dartmouth College and of the Marine Biological Labora-tory of Woods Hole, Mass., who collected the first specimens of A. setigera from New Bedford, Mass., and turned them over to the writer for study, and to Dr. Raymond C. Osburn of the University of Southern California who so kindly checked the specimens, confirming the identification and who offered many helpful suggestions. DISTRIBUTION The species Buskia setigera has been reported previously by the following authorities from the localities listed below : Hincks, 1887 (pp. 121, 127-128; PI. XII, Figs. 9-13), from the Gulf of Bengal. around the Mergui Archipelago. Kirkpatrick, 1890a (pp. 603, 612), between Australia and New Guinea in the Torres Straits, 20 miles off Warrior Island. Kirkpatrick, 1890b (p. 17), off Tizard Banks in the China Sea. Thornely, 1905 (p. 128), from Ceylon. 201
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