64 W. G. EIDEWOOD. 



15. LANKESTER, E. E. "On a new species of Ceplialodiscus (G. nigrescent) from the Antarctic Ocean." 



Proc. Roy. Soc., 1905, pp. 400-402, one plate. 



16. LONGCHAMPS, S. " Developpemeut postenibryonnaire et affinites des Phoronis" Mem. Classe Sci- 



Acad. Roy. Belgique, 1904, pp. 150, seven plates. (Discusses the relations of Phoronis, Cepha- 

 lodiscus, Rhabdopleura and Balanoglossus, pp. 102-130.) 



17. M'lNTOSH, W. C. "Preliminary Notice of Cephalodiscus, a new type allied to Prof. Allman's 



Rhabdopleura, dredged in H.M.8. ' ChaUenger.' " Ann. Mag. Nat. Hist. x. (1882), pp. 337-348, 

 no figures. 



18. M'INTOSH, W. C." Preliminary note on Cephalodiscus, a new form allied to Prof. Allman's 



Rhaldopleura." Rep. Brit. Ass. (Southampton, 1882), 1883, pp. 596-597. 



19. M'lNTOSH, W. C. "Report on Cephalodiscus dodecalophus" 'Challenger' Reports, Zool., xx., 



pt. Ixii., 1887, with appendix by S. F. Harmer ; pp. 48, seven plates and six text-figures. 



20. MASTERMAN, A. T. " Preliminary Note on the Structure and Affinities of Phoronis," Proc. Roy. 



Soc., Edinb., xxi., No. 1, July 1896, and No. 2, Oct. 1896, pp. 59-71, with text-figures. (Tabular 

 comparison of Cephalodiscus with Balanoglossus, Phoronis and Rhabdopleura on pp. 70 and 71.) 



21. MASTEBMAN, A. T. "On the Structure of Actinotrocha considered in relation to the suggested 



Chordate Affinities of Phoronis." Proc. Roy. Soc. Edinb., xxi., No. 2 (1896), pp. 129-136, 

 with text-figures. 



22. MASTERMAN, A. T. " On the Diplochorda. I. The Structure of Actinotrocha. II. The Structure 



of Cqihalodiscus." Quart. Journ. Micro. Sci., n. s., xl., pt. 2 (1897), pp. 281-366, nine plates. 



23. MASTERMAN, A. T. " On the ' Notochord ' of Cephalodiscus." Zool. Anzeiger, xx. (1897), pp. 443-450, 



five text-figures. 



24. MASTERMAN, A. T. " On the further Anatomy and the Budding Processes of Cephalodiscus dode- 



calophus." Trans. Roy. Soc. Edinb., xxxix, pt. 3 (1898), pp. 507-527, five plates. 



25. MASTEHMAN, A. T. "On the Origin of the Vertebrate Notochord and Pharyngeal Clefts." Rep. 



Brit. Ass. (Bristol, 1898), 1899, pp. 914-916. 



26. MASTERMAN, A. T. " On the Theory of Archimeric Segmentation and its bearing upon the Phyletic 



Classification of the Coelomata." Proc. Roy. Soc. Edinb., xxii., No. 3 (1899), pp. 270-310, with 

 23 text-figures. 



27. MASTERMAN, A. T. "On the 'Notochord' of Cephalodiscus:'' Zool. Anzeiger, xxii. (1899), 



pp. 359-363. 



28. MASTERMAN, A. T. " On the Diplochorda. IV. On the Central Complex of Cephalodiscus dode- 



calophus" Quart. Journ. Micro. Sci., n. s. xlvi. (1903), pp. 715-727, two plates. 



29. SCHEPOTIEFF, A. " Zur Organisation von Cephalodiscus" Bergens Museums Aarbog, 1905, No. 8, 



pp. 20, two plates. 



30. SCHIMKEWITCH, W. " Sur les relations genetiques des Metazoaires." Congres Int. Zool. (Moscou, 



1892), pt. 2, 1893, pp. 215-240, with text-figures. 



31. SPENGEL, J. W. "Monographic der Enteropneusten." Fauna und Flora des Golfes von Neapel, 



xviii., Berlin (1893), pp. 756, 37 plates. (Short account of affinities of Cephalodiscus on 

 pp. 753-754.) 



32. SPENGEL, J. W. " Bemerkungen zu A. T. Masternian's Aufsatz ' On the notochord of Cephalodiscus:' 



Zool. Anzeiger, xx. (1897), pp. 505-506. 



33. WILLEY, A. Amphioxus and the Ancestry of the Vertebrates. Columbia Univ. Biol. Ser., 1894. 



(Review of Cephalodiscus on pp. 261-266. No original observations.) 



34. WILLEY, A. "Remarks on some Recent Work on the Protochorda." Quart. Journ. Micro. Sci., 



u. s. xlii. (1899), pp. 223-244. 



