LIST OF WORKS. 
Spong . 3 
28. [Vejdovskv, F.], in Abh. bohm. Ges. (6) xii. ; abstract in J. R. 
Micr. Soc. (2) iv. pp. 242 & 243, and Ann. N. H. (5) xiii. pp. 96-98. 
29. Yosmaer, G. C. J. Porifera, Pt. 2. Bronn’s Klassen u. Ordn. 
pp. 33-65, pis. v. & vi. 
30. . Studies on Sponges. i. On Velinea gracilis , g. & sp. nn. 
MT. z. Stat. Neap. iv. pp.. 437-447, pis. xxxi. & xxxii. 
31. Waller, — , in J. Quek. Club (2) i. pp. 216-223, pi. i. ; abstract in 
J. R. Micr. Soc. (2) iii. p. 668. 
32. Weltner, W. Beitrage zur Kenntniss der Spongien. Freiburg : 
Inaugural Dissertation (1882). 
List of Works on Fossil Stonges. 
33. Barrois, C. Sur les Dictyospongidcc des Psammites des Chondroz. 
Ann. Soc. Geol. Nord, xi. pp. 80-86. 
Carter, H. J. [See No. 1.] 
34. . On the Microscopic Structure of Thin Slices of Fossil Galci- 
spongice. Ann. N. H. (5) xii. pp. 26-30. 
. [See No. 6.] 
35. Dunikowski, E. v. Die Pharetronen aus dem Cenoraan von Essen 
u. die Systematische Stillung der Pharetronen. Palseontogr. xxix. 
pp. 281-324, pis. i.-iii. 
36. Fuciis, T. Welches Ablagerungen haben wir als Tiefseebildungen 
zu betrachten ? JB. Mineral. 1883, p. 487. (Some remarks on 
Sponges appear in this paper.) 
37. Klemm, E. Uber alte und neue Ramispongien und andere ver- 
wandte Schwammformen aus der greislinger Gegend. JH. Yer. 
Wiirtt. xxxix. pp. 243-308. 
38. Link, G. Zwei neue Spongien-gattungen ( Didymosphcera and 
Polyrliizophora). JB. Mineral. 1883, pp. 59-62, pis. ii. & iii. 
39. Pocta, Philipp. Beitrage zur Kenntniss der Spongien d. Bohmisches 
Kreideformation. Pt. I. Hexactinellidce. Abh. bohm. Ges. (6) xii. 
pp. 1-45, pis. i.-iii. 
40. . Einige Bemerkungen iiber'd. Gitterskelet derfossilen Hexac- 
tinelliden. SB. bohm. Ges. 1883. 
41. Portis, A., in Mem. Acc. Tor. (2) xxxiv. p. 71. 
42. Sollas, W. J. Description of Fossil Sponges from the Inferior 
Oolite, with a notice of some from the Great Oolite. J. G. Soc. xxxix. 
pp. 541-554, pis. xx. & xxi. 
43. . The Estuaries of the Severn and its Tributaries ; an inquiry 
into the nature and origin of their tidal sediment and alluvial flats. 
L. c. 611-626, with 2 woodcuts. 
