English: Alder, Joshua, Embleton, Dennis, Hancock, Albany, Hopkinson, John,Norman, Alfred Merle ,1905-12 The British Tunicata; an unfinished monograph, by the late Joshua Alder and the late Albany Hancock. Edited by John Hopkinson, with a history of the work by the Rev. A. M. Norman.London,Printed for the Ray society. Volume 3 Plate 53

PLATE LIV FIGS.

1-3. Amaroucium proliferum M. Edw. (p. 7) 1. A small colony : natural size. 2. A larger colony : natural size (M. Edwards, pl. i, f. 3). 3. A system : enlarged (M. Edwards, pl. i, f. 3a). accepted name Aplidium proliferum (Milne-Edwards, 1841)

4-6. Amaroucium albicans M. Edw. (p. 9) 4. A cluster of colonies : natural size. 5. A system : x 5.6. A globular colony found on the upper surface of a stone, and two stalked colonies found suspended from a projecting piece of rock : natural size (M. Edwards, pl. i, f. 31).accepted name Aplidium albicans (Milne-Edwards, 1841)

7. Amaroucium papillosum Alder, (p. 10) Part of a colony of two systems : natural size.accepted name Aplidium proliferum (Milne-Edwards, 1841)