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W. G. RIDEWOOD. 
LankustER, E. R.—“On a new species of Cephalodiscus (C. nigrescens) from the Antarctic Ocean.” 
Proc. Roy. Soc., 1905, pp. 400-402, one plate. 
LonecHamps, 8.—“ Développement postembryonnaire et affinités des Phoronis.” Mém. Classe Sci- 
Acad. Roy. Belgique, 1904, pp. 150, seven plates. (Discusses the relations of Phoronis, Cepha- 
lodiscus, Rhabdopleura and Balanoglossus, pp. 102-130.) 
M’'Introsu, W. C.—‘ Preliminary Notice of Cephalodiscus, a new type allied to Prof. Allman’s 
Rhabdopleura, dredged in H.M.S. ‘ Challenger.” Ann. Mag. Nat. Hist. x. (1882), pp. 337-348, 
no figures. 
M’IntosH, W. C.—‘ Preliminary note on Cephalodiscus, a new form allied to Prof. Allman’s 
Rhabdopleura.” Rep. Brit. Ass. (Southampton, 1882), 1883, pp. 596-597. 
M’Intoso, W. C.—‘‘ Report on Cephalodiscus dodecalophus.” ‘Challenger’ Reports, Zool., xx., 
pt. lxii., 1887, with appendix by S. F. Harmer ; pp. 48, seven plates and six text-figures. 
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.) 
Masteruan, 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. 
Masterman, A. T.—‘“ On the Diplochorda. I. The Structure of Actinotrocha. II. The Structure 
of Cephalodiscus.” Quart. Journ. Micro. Sci., n. s., xl., pt. 2 (1897), pp. 281-866, nine plates. 
Masterman, A. T.—“ On the‘ Notochord ’ of Cephalodiscus.” Zool. Anzeiger, xx. (1897), pp. 448-450, 
five text-figures. 
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. 
Masterman, A. T.—‘On the Origin of the Vertebrate Notochord and Pharyngeal Clefts.” Rep. 
Brit. Ass. (Bristol, 1898), 1899, pp. 914-916. 
Mastzrmay, 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. 270-810, with 
23 text-figures. 
Masturman, A. T.—“On the ‘Notochord’ of Cophalodiscus.” Zool. Anzeiger, xxii. (1899), 
pp. 359-363. 
MastEeRMAN, 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. 
ScuEpotizurr, A.—‘‘Zur Organisation von Cephalodiscus.” Bergens Museums Aarbog, 1905, No. 8, 
pp. 20, two plates. 
ScHimkEwitoH, W.—Sur les relations génétiques des Meétazoaires.” Congrés Int. Zool. (Moscou, 
1892), pt. 2, 1893, pp. 215-240, with text-figures. 
SPENGEL, J. W.—“ Monographie 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.) 
SPENGEL, J. W.—“ Bemerkungen zu A. T. Masterman’s Aufsatz ‘On the notochord of Cephalodiscus.” 
Zool. Anzeiger, xx. (1897), pp. 505-506. 
Winey, A.—Amphioxus and the Ancestry of the Vertebrates. Columbia Univ. Biol. Ser., 1894. 
(Review of Cephalodiscus on pp. 261-266. No original observations.) 
Wi.LEy, A.—* Remarks on some Recent Work on the Protochorda.” Quart. Journ. Micro. Sci., 
n. 8. xlil. (1899), pp. 223-244. 
