Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 359-372

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 373-382

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 383-386

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 387-390

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 391-396

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 397-398

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 399-402

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 403-418

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 419-424

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 425-446

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 447-452

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 453-468

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 469-476

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 477-481

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 483-498

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 499-504

Published in Transactions of The Linnean Society of London, in 1851, in volume 20, pages 505-508