Spong . 1 
XVII. SP0NGI4S. 
BY 
E. Hanitsch, Ph.D. 
CONTENTS. 
Page 
I. Titles 1 
II. Biological. 
Anatomy, Histology, and 
General 7 
Embryology 11 
Physiology and Biology . . 13 
Preparation, &c ..14 
III. Distribution. 
Faunistic 14 
Geological 14 
Page 
IV. Systematic, Classifica- 
tion, &c. 
Calcarea 15 
Hexactinellida 15 
Hexaceiatina 16 
Tetractinollida 16 
Lithistida 17 
Monaxonida 18 
Monoceratina 19 
TITLES.* 
This list includes all papers which have come under the Recorder’s 
notice up to June 30th, 1894. 
1. Apstein, C. Die wahrend der Fahrt zur Untersuchung der Nordsee 
vom 6-10 August, 1889, zwischen Norderney und Helgoland gesam- 
melten Thiere. Ber. Komm. deutsch. Meere, vi, lift. 3, pp. 191-199. 
Grantia ciliata and Leucosolenia bothrylloides. 
2. Bidder, G. Flask-shaped Ectoderm and Spougoblasts of one of the 
Keratosa. J. R. Micr. Soc. 1893, p. 55. Abstract of paper in P. R. 
Soc. London, li, pp. 475-484, 5 woodcuts. [See Zool. Rec. 1892.] 
3. — — . The collar-cells of Sponges. Zool. Anz. 1894, p. 167. 
* An asterisk prefixed to a quotation indicates that the Recorder has not seen the 
Journal or Work referred to. 
1893. [vol. xxx.] f 6 
