MESOZOA, HEMICHORDA. 
Verm. 57 
MESOZOA. 
Neresheimer (331). 
Lohmannella catenata . , at Yillafranca, Neresheimer, Zeitschr. wiss. Zool. 
lxxvi, pp. 137-166, pis. x & xi. 
HEMICHORDA. 
[The following memoirs relate to Hemichorda : — Beneden (456), 
Browne (54), Caullery & Mesnil (76), Longchamps (274), Ritter & 
Davis (375), Schepotieff (398), Schultz (409), Spengel (428-433).] 
General Biology. 
Anatomy of Ptychodera spp., Spengel (428-433). 
Ecology, morpology, and speciology of the young of some Western North 
American Enteropneusta, Ritter & Davis (375). 
Regeneration in Phoronis, Schultz (409). 
Development and anatomy, Van Beneden (456). 
Distribution. 
Heligoland, Phoronis n. sp., Longchamps (274). 
Systematic. 
Actinotrocha branchiata , p. 33, A. 'pallida , p. 45, Longchamps, Wiss. 
Meoresuntersuch. vi, 1. 
Asymmctron orientale , A. macricaudatum , Florida, Parker, Bull. Mus. 
Harvard xlvi, 2, pp. 46 & 47, pi. i, fig. 4, pi. ii, fig. 7, n. spp. 
Branchiostoma pelagicum , Florida, Parker, t. c. p. 40, pi. i, figg. 1 & 2, 
n. sp. 
Glossobolanus elongatus, Gulf of Naples, Spengel, Zool. Jahrb. Anat. xx, 
pp. 315-362, pis. xx-xxii, n. sp. 
Heteropleuron agassiz, II. parvum , pp. 43 & 44, pi. ii, figg. 5 & 6, Florida, 
Parker, Bull. Mus. Harvard xlvi, 2, n. spp. 
Phoronis , development, Van Beneden, Bull. Ac. Belgique 1903, pp. 1216- 
1232 ; P., regeneration, Schultz, Biol. Centrbl. xxiv, pp. 310-317 ; P., 
Scilly Isles, Browne, J. Inst. Cornwall xvi, pp. 120-132 ; P. gracilis , 
anatomy, Longchamps, Wiss. Meeresuntersuoh. vi, 1, p. 25. 
P. miilleri , Heligoland, Longchamps, t. c. p. 9, pi. i, n. sp. 
Protobalanus n. n. for Bolanocephalus koehleri Caull. and Mesn., Caullery 
& Mesnil, Zool. Jahrb. Anat. xx, pp. 227-256, pis. xii & xiii. 
Ptychodera jlava , Pt. erythrcea , anatomy, Spengel, Zool. J ahrb. Anat. xviii, 
pp. 271-326, pis. xxiv-xxix, xx, pp. 1-18, pis. i-ii, pp. 413-428, pp. 315- 
362, pis. xx-xxii. 
Tornaria ritteri Spengel, Western North America, morphology, ecology, 
Ritter & Davis, Univ. Calif. Publ. Zool. i, 5, pp. 171-198, pis. 
T. hubbardi , Western North America, morphology and ecology, Ritter & 
Davis, t. c. p. 198, pis., n. sp. 
