xviii ADDITIONS, ETC. ERRATA. 



opercular fold, and a diverticulum homologous with the ' notochord ' of Balano- 

 glossus. See Harmer, Appendix to M'Intosh on Cephalodiscus, Challenger Reports, 

 xx. 1887. 



p. 716. Polyparium (not as printed, Polypodiuni) ambulans; See Korotneff, 

 Z. W. Z. xlv. 1887 (transl. A. N. H. (5), xx) ; Ehlers, ibid. 



p. 732. Classification of Alcyonaria ; see Studer, A. N. 53 (i), 1887. 



p. 8 1 1. Hyalospongiae. F. E. Schulze, * Hexactinellidae] Challenger Reports, 

 xxi. 1887. 



ERRATA. 



Page 53, line 12 from bottom, for and read end. 



p. 55, line 2 from bottom, for interclvaicular read interclavicular. 



p. 59, line 20, for vertebrae read vertebra. 



p. 61, line 20 from bottom, ^0?- long-oblique read long, oblique. 



p. 91, line 4, for (S. O.) read (E. O.). 



p. 112, line 24, for 1871 read 1817. 



p. 113, line 21 from bottom, for ganglia read ganglion. 



p. 1 68, line 6 from bottom, for five read fine. 



p. 199, line ii from bottom, for Acanthrodrilus read Acanthodrilus. 



p. 232, line 20, for Staphylocystes read Staphylocystis. 



p. 243, lines 20, 21, for Opkridium read Ophrydium. 



p. 249, line 15 from bottom, for Abth. ii. read Abth. i. 



p. 250, line 12 from bottom,/^ in the read round the. 



p. 253, line 20 from bottom, should read A. N. H. (5) : vii. 1881 ; gemmule 



of Carterella, ix. 1882 ; x. 1882 ; fossil spicules. 

 p. 273, line 1 6, for metanaphros read metanephros. 

 p. 302, line 2, for labral read labial. 



p. 337, last line, p. 338 line i,for ali- read prae-, and/0r prae-, alk 

 p. 376, line i8,for and read or. 

 p. 462, line 2 o,for arteries read veins, 

 p. 465, line 1 8, for Cirroteuthidaei read Cirroteuthidae. 

 p. 475, nne J 3 fr m bottom, for Enthyneura read Euthyneura. 

 p. 482, line 12 from bottom,/^ skull read shell. 

 p. 483, line 17 from bottom, for large or read large and. 

 p. 485, line 2, for exterior read anterior. 



p. 490, line 5 from bottom, for holloiv-jointed, read holloiu, jointed. 

 p. 500, line 22, for into read by. 

 p. 515, line ii from bottom, for class read order, 

 p. 530, line 4, for Tyrogiyphidae read Tyroglyphidae. 



p. 536, line 5 from bottom, dele commas after Phyllopoda and Branchiopoda. 

 p. 584, note, line 8 from bottom,/??' arms read anus. 

 p. 647, line 7 from bottom, for peristallic read peristaltic, 

 p. 658, line 16 from bottom, for viscual read visual, 

 p. 716, line 17, for Polypodium read Polyparium. 



