@book{bhlpg2350802, title = {Bulletin of the British Museum (Natural History) Zoology }, volume = {v.17 (1968-1969)}, url = {https://www.biodiversitylibrary.org/page/2350802}, publisher = {BM(NH)}, author = {British Museum (Natural History) }, year = {1969}, pages = {Page 247}, } @book{bhlpg51896856, title = {Transactions of the Norfolk and Norwich Naturalists' Society }, volume = {v.22(1969-1973)}, url = {https://www.biodiversitylibrary.org/page/51896856}, publisher = {Norfolk and Norwich Naturalists' Society}, author = {Norfolk and Norwich Naturalists' Society. }, year = {1969}, pages = {Page 407}, }