LIST OF THE FIFTY VOLUMES OF THE CHALLENGER REPORT. 
V ZOOLOGY — continued. 
Vol. 10, containing : — (1884) 
Part XXYI. — Nudibranchiata. By Dr. Rudolph Bergh. 
Part XXVII. — Myzostomida. By Professor Ludwig von Graff. 
Part XXVIII. — Cirripedia. Anatomical Part. By P. P. C. 
Hoek, Memb. Roy. Acad. Sci., Netherlands. 
Part XXIX. — Human Skeletons. First Part. — The Crania. 
By Professor William Turner, M.B., F.R.SS. L. & E. 
Part XXX. — Polyzoa. First Part. — Cheilostonmta. By 
George Busk, F.R.S., V.P.Z.S., &c. 
Vol. 11, containing : — (1884) 
Part XXXI. — Keratosa. By N. Polejaeff, M.A. 
Part XXXII. — Crinoidea. First Part. — Stalked Crinoids. 
By P. H. Carpenter, D.Sc. 
Part XXXIII. — Isopoda. First Part, — Genus 'Seroiis. By 
Frank Evers Beddard, M.A. (Oxon.), F.R.S.E., F.R.M.S., 
F.Z.S., M.B.O.U. 
Vol. 12, containing (1885) 
Part XXXIV. — Annelida Polyceleta. By Professor W. C. 
MTntosh, F.R..S. 
Vol. 13, containing : — (1885) 
Part XXXV. — Lamellibranchiata. By Edgar A. Smith, F.Z.S. 
Part XXXVI. — Gephyrea. By Professor Emil Selenka, 
Erlangen. 
Part XXXVII. — Schizopoda. By Professor G. 0. Sars, 
Vol. 14, containing : — (1886) 
Part XXXVIII. — Tunicata. Second Part. — Ascidiae Com- 
positse. By William A. Herdman, D.Sc., F.L.S., F.R.S.E. 
j Part XXXIX. — Holothurioidea. Second Part. By Hjalmar 
Tlieel. 
Vol. 15, containing : — (1886) 
Part XLI. — Marseniadje. By Dr. Rudolph Bergh. 
PartXLII. — Scaphopoda and Gasteropoda. By Rev. Robert 
Boog Watson, F.L.S. 
Cjecidze. By Leopold, Marquis de Folin. Appendix to 
Part XLI1. 
X o 
%) 
jrx 
Pages. 
740 
717 
689 
658 
792 
898 
