ملف:BritishTunicataPlate21.jpg

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 2 Plate 22 PLATE XXI.

FIGS.

1-5. Ciona intestinalis (Linn.) Flem. (p. 9) 1 and 2. Test (1, fully expanded; 2, slightly contracted). 3. Test of a young individual. 4. Branchial aperture.5. Part of branchial sac : magnified. accepted as Ciona intestinalis (Linnaeus, 1767

6-8. Ciona pulchella Alder, (p. 14) 6. A group of individuals with test extended. 7. A single individual with test contracted. 8. Mantle. synonym for Ciona intestinalis (Linnaeus, 1767

9. Corella parallelogrammma (Müll.) Hanc. (p. 25) Test. accepted as Corella parallelogramma (O F Müller, 1776)

All the figures, except 5, natural size.