64 W. G. RIDEWOOD. 



15. Lankester, E. R. — "On a new species of Cqihalodisciis {G. niijrcscens) from the Antarctic Ocean.'' 



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



16. LONGCHAJIPS, S. — " Developpement postembryonnaire et affinites des Fhoronis." Mem. Classe Sci- 



Acad. Roy. Belgiqiie, 11)04, pp. l.JO, seven plates. (Discusses the relations of Phoronis, Gepha- 

 lodiscm, Rliabdopleiim and Bahmoglossiis, pp. 102-130.) 



17. irixTOSir, AV. C. — "Preliminary Notice of Cejyhalodiscus, a new type allied to Prof. Allman's 



RhabdopUura, dredged in H.M.S. ' Challenger.' " Ann. Mag. Nat. Hist. x. (1882), pp. 337-S48, 

 no figures. 



18. M'Intosh, W. C. — "Preliminary note on Gephalodisciis, a new form ;dlied to Prof. Allman's 



BJiabdojjJeura." Rep. Brit. Ass. (Southampton, 1882), 1883, pp. SyG-Si)?. 



19. M'Intosh, W. C— "Report on GepJialodisci/s dodecalopkus." 'Challenger' Reports, ZooL, xx., 



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



20. Masteemak, A. T. — " Preliminary Note on the Stracture and Affinities of Phoronis." Proc. Roy. 



Soc, Edinb., xxi.. No. 1, July 18'JG, and No. 2, Oct. 1896, pp. 59-71, with text-figures. (Tabular 

 comparison of Gephalodisciis with Balanoglossus, Phoronis and Rhahdopleura on pp. 70 and 71.) 



21. Masteeman, 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. Mastermax, a. T. — " On the Diplochorda. I. The Structure of Actinotrocha. II. The Structure 



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



23. Masteeman, a. T. — " On the ' Notochord ' of Gephaiodiscus." Zool. Anzeiger, xx. (1897), pp. 443-450, 



five text-figui-es. 



24. Masteeman, a. T. — " On the further Anatomy and the Budding Processes of Gephalodiscus dode- 



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



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



Brit. Ass. (Bristol, 1S98), 1.S99, pp. 914-916. 



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



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

 23 text-figures. 



27. Masteeman, A. T.— "On the 'Notochord' of Gejihalodiscm." Zool. Anzeiger, xxii. (1899), 



pp. 359-363. 



28. Masteeman, A. T.— " On the Diplochorda. IV. On the Central Complex of Gephalodiscus dode- 



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



29. ScHBPOTiEFF, A.— " Ziu" Organisation voH Gephalodiscus." Bergens Museums Aarbog, 1905, No. 8, 



pp. 20, two plates. 



30. ScHiMKEWiTCH, W.--" Sur les relations genetiques des Metazoaires." Congres Int. Zool. (Moscon, 



1892), pt. 2, 1893, pp. 215-24(», with text-figures. 



31. Spengel, J. W.—" Monographic der Enteropneusten." Fauna uud Flora des Golfes von Neapel, 



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

 pp. 753-754.) 



32. Spengel, J. W.— " Bemerkungen zu A. T. Masterman's Aufsatz ' On the notochord of Gephalodiscus." 



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



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



(Review of Gephalodiscus 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. 



