HOPPER B E   1962

Marine Nematodes from the Coast Line of the Gulf of Mexico. III. Additional Species from Gulf Shores, Alabama.

Canadian Journ. of Zoology, Vol. 41, pp. 841-863, 39 fig., brosch.

HOPPER B E   1963

Punctodora exochopora n. sp. (Chromadoridae: Nematoda) from the Canadian shore of LAke Ontario.

Canadian Journ. of Zoology, Vol.41, pp.1121-1126, 9 fig., brosch.