MESOZOA, HEMICHORDA. 
Verm. 63 
Rhopalura metchnikovi, Cape de la Hague, in Spio martinensis , p. 401, 
pi. x, figg. 23-28, R. pelseneeri in Tetrastemma Jlavidum , p. 405, pi. x, 
figg. 32 & 33, pi. xi, figg. 29-31, 34, R. julini , Naples in Scolelepis 
fuliginosa, structure and affinities, Caullery & Mesnil, t. c., n. spp. 
Stcecharthrum giardi , St. Martin’s Bay, in Scoloplos mulleri , structure and 
affinities, Caullery & Mesnil, t. c., pp. 413-417, pi. xi, figg. 42-54, 
n. sp. 
HEMICHORDA (incl. Phoronis). 
[The following memoirs relate to Hemichorda-. — Emery (111), Ikeda 
(166), Masterman (229), M’Intosh (245), Roule (315), Spengel (343), 
Torrey (364).] 
Development, Roule (315); Development and phylogeny of the Phoro- 
nidea , Masterman (229); Development, structure, and metamorphosis of 
the larva Phoronis , Ikeda (166). 
N. America, n. sp., Torrey (364). 
Enteropneusta: Spengel gives a taxonomic and synonymic revision, 
accepting three families, Harrimaniidce , Glandicipitidce , Ptychoderidce , and 
proposing two n. genn., Zool. Jahrb. Syst. xv, pp. 209-218. [An important 
paper from the nomenclatorial point of view.] 
Glossobalanus, n. g. (= Ptychodera Spgl.) minutus Kow., synonymy, 
Spengel, Zool. Jahrb. Syst. xv, pp. 212-217. 
Phoronidea ; development, structure of larva, phylogeny, Masterman, 
Zool. Anz. xxiv, pp. 228-233. 
Phoronis ; some general notes, Emery, Compendio di Zoologia, Bologna, 
1899 ; fertilization, development and metamorphosis, Ikeda, J. Coll. 
Japan xiii, pp. 507-592, pi. xxv-xxx; P. sabatieri, development, 
Roule, Bull. Soc. Sci. Toulouse ii, 1899, p. 159. 
P. pacifica , California, affinities, structure, Torrey, Biol. Bull, ii, pp. 283- 
288, 5 figg., n. sp. 
Stereobalanus , n. g. (for Balanoglossus Spgl. partim), canadensis Spgl., 
Spengel, Zool. Jahrb. Syst. xv, pp. 213-216. 
