B. I.  Brewin, ?Ascidians of New Zealand.  Part VI  Ascidians of the Hauraki Gulf.  Part II?, Transactions of the Royal Society of New Zealand, vol. 79, no. 1, pp. 104-113, 1951.

B. I.  Brewin, ?Ascidians of New Zealand.  Part VII Ascidians from Otago coastal waters.  Part II?, Transactions of the Royal Society of New Zealand, vol. 79, no. 3-4, pp. 452-458, 1952.

B. I.  Brewin, ?Ascidians of New Zealand. Part VII. Ascidians from Otago coastal waters, Part II.?, Transactions of the Royal Society of New Zealand, vol. 79, no. 3-4, pp. 452-458, 1952.

B. I.  Brewin, ?Ascidians in the vicinity of the Portobella Marine Biological Station, Otago Harbour?, Transactions of the Royal Society of New Zealand, vol. 76, no. 2, pp. 87-131, 1946.

B. I.  Brewin, ?Ascidians of the Hauraki Gulf, Part 1.?, Transactions of the Royal Society of New Zealand, vol. 77, no. 1, pp. 115-138, 1948.