G ASTROTR 1C H A , MESOZOA, HEMICHORDA. 
Verm. 69 
Chcetonotus drquatus , PlOn, anatomy and affinities, Voigt, op. cit. x, 
pp. 90-93, 3 figg. ; C. acanthodes , Voigt, op. cit. xi, p. 140, pi. v, 
fig. 44 ; C. larus , C. succinctus, C. chuni , Plon, in ponds, Zach arias, 
Forschber. Plon x, pp. 238 & 245. 
C. linguceformis, p. 133, pi. v, fig. 41, G. nodicaudus , p. 134, pi. v, fig. 42, 
C. serraticaudus, p. 137, pi. v, fig. 43, G. uncinus, p. 139, pis. vi & viij 
figg. 47 & 51, C. succinctus , p. 141, pis. vi & vii, figg. 46 & 50, C. chuni, 
p. 143, pis. vi & vii, figg. 48 & 52, Plon, Voigt, Forschber. Plon xi, 
n. spp. 
Dasydytes goniathrix, Voigt, t. c. p. 147, pi. vii, fig. 54. 
Gossea antennigera , Voigt, t. c. p. 152, pi. vii, fig. 56. 
Ichthydium forcipatum, Plon, Voigt, t. c. p. 126, pi. v, figg. 40 a-e, n. sp. 
MESOZOA. 
Lohmannia n.g. catenaia n.sp., parasite of Fritillaria at Villafranca, 
Neresheimeh, Biol. Centrbl. xxiii, pp. 757-760, cuts. 
Trichoplax, anatomy, development and affinities, Gabrowski (145) 
[Review, Science xvii, pp. 466 & 467] ; T. adhcerens , histology, 
StiAsny, Zeitschr. wiss. Zool. lxxv, pp. 430-436, 2 figg. 
HEMICHORDA. 
[The following memoirs relate to Hemichorda \ — Andersson (7), Good- 
rich (166), Harmer (174), Ikeda (195), Jullien & OaLvet (205), 
Longchamps (251), Menon (276), Poche (340), Punnett (349), Schultz 
(388), SpengJel (403).] 
General Biology. 
Classification and anatomy of the Enteropneusta n. spp., Punnett (349). 
Body-cavities and nephridia of the Actinotrocha larva, Goodrich (166). 
Development of sexual organs and their products in Phoronis , Ikeda 
(195). 
Regeneration in Phoroms miilleri , Schultz (388). 
Regeneration of Actinotrocha branchiata , Schultz (388). 
Distribution. 
Geographical distribution of Cephalodiscus , Harmer (174). 
Helgoland, n. sp. Phoronis , Longchamps (251). 
Azores, n. sp., Jullien & Calvet (205). 
Madras, n. sp. Dolichoglossus, Menon (276). 
Maidive and Laccadive Archipelagoes, n. spp., Punnett (349). 
Falkland Islands and Terra del Fuego, rediscovery of Cephalodiscus , 
Andersson (7). 
Coast of Laysan, collection, Ptychodera spp., Spengel (403). 
Systematic. 
Actinotrocha branchiata, regeneration, Schultz, Zeitschr. wiss. Zool. lxxv, 
pp. 473-494, pi. xxxiii ; A. branchiata, development and metamor- 
phosis, p. 33, A. pallida, p. 45, pi. i, figg. 14 & 15, pi. ii, fig. 27; A., 
larva, body -cavities and nephridia, Goodrich, Quart. J. Micr. Sci. 
xl vii. pp. 103-121, 2 pis. 
