ADDENDA AND CORRIGENDA. 



p. 114, line 2. For "101" read "102." 



p. 115, line 18. For "many places" read "some places." 



p. 117 et seqq. For "peregra" read "pereger" (v. B. B. Woodward, 



J. Conch., Oct. 1903, p. 362). 



p. 120, line 27. For " Vitrea nit Ida" read " Xonltmilc* tiitidua." 



p. 120, line 32. After " Testm-clla Jialiotidea" insert "found by 



Mr H. Watson." 



p. 120, line 33 should read "It was introduced from Kew about 



twenty years ago by Mr B. I. Lynch." 



p. 121, line 3. For "a common form" read "a form found here and 



there." 



p. 121, line 8. Add "the first two in the tropical fern house and the 



last in the water lily pond. These introductions were discovered by 



Mrs Hughes." 



p. 123, line 19. Add "Both the records are by Mrs Hughes." 



p. 123, line 25. After "occurs" add "both species being found first 



by Mrs Hughes." 



p. 127, line 18. For " cristata " read " costata." 



p. 128. Add to Pelecypoda, Cardiidae, Cardium cdule, Linn. 



p. 131, line 4. After "colony" insert "by Mrs Hughes." 



p. 131, line 21. Add "including a tumid variety found by Mr Watson." 



p. 133, line 8. For "Eeid" read "Keed." 



p. 133, line 25. For "they contain" read "Mr Jukes-Drowne 



records (v. Mem. Geol. Survey ' The Geology of the Neighbourhood of 



Cambridge' pp. 88, 107)." 



p. 133, line 30. For "Somersham" read "Bluntisham." 



p. 138, line 19. Add "This discovery was made recently by Mr< 



Hughes, who obtained in the same bed shells of Cardium and Mdcnnm 



as well as of several non-marine species." 



p. 138, line 31. After "Trinity College" insert "Mr F. F. Laidlaw, 



M.A., Trinity College, and Mr Hugh Watson." 



p. 216, line 15. For " commencement" read " end." 



