CHIEF WORKS ON RECENT SPECIES. SjpOUg . 3 
13. Noll, F. C. Mein Seewasser- Aquarium. Zool. Gart. xxii. [1881] 
pp. 33, 71, 137, 168, & 194. 
Notes on Sponges in the living state. 
Norman, A. M. [See Bowerbank, J. S.] 
14. Potts, E. Three more Fresh-water Sponges. P. Ac. Philad. 1882, 
p. 12. 
15. Sollas, W. J. The Sponge-Fauna of Norway; a Report on the 
Rev. A. M. Norman’s Collection of Sponges from *the Norwegian 
Coast. Ann. N. H. (5) ix. pp. 141 &426, pis. vi., vii., & xvii. 
Continues the description of the Tctractincllida [see Zool. Rec. xvii.] 
by a minute anatomical and histological study of three species, Pacliy- 
matisma johnstonia, Tetilla cranium , Thenea wallichi. 
16. Vosmaer, G. C. J. Yoorloopig Berigt omtrent het onderzoek door 
den ondergeteekende aan de Nederlandsche werktafel in het Zoolo- 
gisch Station te Napels verrigt, 20 November, 1880, -20 Februarijt 
1881. Nederlandsche Staatscourant, 1881, No. 109, 6 pp. 
A short account of results of three months’ work at Sponges at Naples. 
17. . Report on the Sponges dredged up in the Arctic Sea by the 
‘ Willem Barents’ in the years 1878 & 1879. Niederl. Arch. Zool., 
Suppl.-Band i. Lief. 3, pis. i.-iv. 
All the species are figured. In some cases, an account is given of the 
canal system. The spicules are very fully treated. The author distin- 
guishes between specifically and generically important spicules and those 
which are not indispensable to the characters of the species. 
Weltner, W. Beitrage zur Kenntniss der Spongien. Inaugural Dis- 
sertation. Freiburg in Baden : 1882, 8vo, 62 pp. 3 pis. 
[Not seen by the Recorder.] 
W. Dybowski. Einige Bemerkungen fiber die Veranderlichkeit der 
Form und Gestalt von Lubomirskia baicalensis und fiber die Verbreitung 
dor Baikalschwamme im Allgemeine. Mel. biol. xi. [1881] p. 41. Essen- 
tially the same as the paper by the same author recorded Zool. Rec. xviii. 
Spong. p. 6, ad init. 
K. Franks & P. S. Abraham on so-called Sponge-grafting, J. Anat. 
Phys. xvii. p. 349, give accounts of this operation, which consists in im- 
planting pieces of officinal Sponge in the tissues of the human body, to be 
overgrown by them. 
G. Brown Goode. List of Sponges, with localities, given in Catalogue 
of Objects Illustrating Resources and Fisheries of the United States ; 
Bull. U. S. Nat. Mus. 1882, No. 14, p. 263. 
W. J. Sollas. The Group Spongice, in Cassell’s Natural History, 
edited by P.M. Duncan ; London, 4to, vol. vi. pp. 312-331, 1 pi., 17 wood- 
cuts. A general account of the group, its leading forms, the outlines of 
their anatomy and development ; the illustrations are taken from various 
1882. [vol. xix.] e 4 
