5 Pot. 
Systematic. 
Regulation and regeneration in Chon - 
drosia reniformis ; Maas, 25. 
Rogoneration, Si/con; Huxley, 18. 
Versuehe iiber die Regenerations- 
fahigkeit der Siisswasserschwamme ; 
M tiller, 30. 
Das Regenerationsvermogen der Siiss- 
wasserschwamme, insbesondere Unter- 
suchungen iiber die bei ihncn vorkom- 
mende Regeneration nach Dissociation 
und Reunition ; Muller, 28. 
Untersucliungen iiber nichtfunktion- 
ello Korrelation in der Bildung sclb- 
standiger Skeletelemente und das Pro- 
blem der Gestaltbildung in einheit- 
lichen Protoplasmamassen ; Becher, 5. 
Mitosis of collar cells of Heterocoela ; 
Robertson, 32. 
ETHOLOGY. 
Symbiosis between barnacle and 
Spongelia sp. ; Row, 33. 
Sponges associated with the shells 
of Vermetidre in the Bay of Bengal; 
Annandale, 3. 
Simbiosi della Suberites domuncula 
con la Dromia vulgaris ; Polimanti, 31. 
Ephydatia fluviatilis in grossen 
Tiefen; Weltner, 43. 
EVOLUTION AND PIIYLOGENY. 
Suggested mode of origin of poro- 
cytes ; Kirkpatrick, 22. 
Origin of systematic position of 
Sponges ; Kemna, 20 & 20a. 
DISTRIBUTION. 
A. Actual. 
European seas and fresliwaters. 
Baie de la Neva, Spongilla lacustris ; 
Skorikov, 34. 
African Seas. 
Sudanese Red Sea, Non-Calcarea from 
the coastal waters, Tetraxonida 24 spp. 
n., Euceratosa 7 spp. n. Discussion of 
the affinity of tho fauna ; tables 
showing the distribution of Red Sea 
species in other parts ; Row, 33. 
Asiatic freshwaters. 
Ephydatia fluviatilis im Issyk-Kul, 
first freshwater sponge from Turkestan ; 
Weltner, 43. 
India, Freshwater sponges, distribu- 
tion; Annandale, 1. 
India, Spongilla sp. n. ; Annandale, 
1 . 
Asiatic, etc., Seas. 
Spiraslrella purpurea, localities of 
the Siboga specimens ; Vosmaer, 41. 
Christmas Island, 1 Pharetronid sp. 
n. ; Kirkpatrick, 21. 
Australian Seas, Tetractinellida 2 spp. 
n., Monaxonida 32 spp. n. ; Hentschel, 
17. 
Arctic Ocean. 
Spongien des Kola-Fjords (Russ. + 
deutscli. Res.), 70 known spp. and 
20 new and as yet undescribed ; Breit- 
fuss, 8. 
B. Fossil. 
Upper Eocene, Capo San Marco 
( Tortoniana , secondo piano mediterraneo 
[parte] Suess), Sponge spicules ; Cana- 
veri, 9. 
Studien im Gebicto des Bohmischen 
Kreideformatiou Porifera, illustrated 
list, 57 figg. ; FriC, 15. 
Trias -Spongien aus dem Bakony, 
Calcarea heterocoela 7 spp. n. ; Vinassa 
de Regny, 39. 
Trias-Spongion aus dem Bakony 4 
spp. n. ; Vinassa de Regny, 40. 
Carboniferous Scotland, Monaxonida 
2 spp. n. ; Smith, 35. 
Devonian, Iowa, Cliona sp. n. ; 
Thomas, 36. 
Ordovician, Mississippi valley, Pori- 
fera inc. sedis 3 spp. n. ; Foerste, 14. 
Silurian, Tonncssco, Indiana and 
Illinois, Lithistida 1 sp. n. ; Foerste, 13. 
III.— SYSTEMATIC. 
Sur la position systematique des 
Spongiairos, Kemna Ann. Soc. Roy. 
Zool. Malac. Belgique 45 p. 13. 
Freshwater sponges, general account 
biological peculiarities, classification, 
bibliography, Annandale Fauna of 
British India. 
Sponges, Encyclopaedia Britannica, 
1 1th edition, Dendy p. 715. 
