462 RICHARD EVANS. 



increased it to the full value of a scholarship, and thereby 

 enabled me to enter upon a research course of two years' 

 duration. 



List op Memoirs referred to in the Text. 



1. Dklage, Yves. — " Embryoficnic dcs J^ponges," 'Arcli. Zool. exp. et 



g6ii.' (2), X, pp. 34;5— 498, pis. xiv— xxi. 



2. Dendy, a. — " Studies on ilie Comparative Anatomy of Sponges. 



II. On the Anatomy and Histology of SI.elospongus flabeUi- 

 formis. Carter, with Notes on the Uevelopment," ' Quart. Jourii. 

 Micr. Sci.,' n. s., xxix, pp. 325 — 358, pis. xxx — xxxiii. 



3. Fiedler, K. A. — "Ueber Ei-und Samcubildung bei Spongilla fluvia- 



tilis," ' Zeitsch. f. wiss. Zool,,' xlvi, pp. 85—128, Taf. xi, xii. 



4. Ganin. — " Zur Entwickclung der Spongilla fluviatilis," ' Zool. Anz., 



1 Jahrg., No. 9, 1878. 



5. GoTTE, A. — ' Abhandlungen zur Entwickclungsgeschichtc der Thiere,' 



Hamburg and Leipzig, 188G. 

 e. Kent, W. S.— ' A Manual of the Infusoria,' London, 1880-81. 



7. Maas, 0. — "Ueber die Entwickelung des Siisswasserschwammes," ' Zeit. 



f. wiss. Zool.,' I, pp. 527 — 554, Taf. xxii, xxiii. 



8. Maas, O.— "Die Embryonal-Entwickclung und Metamorphose der 



Cornacuspongien," ' Zool. Jahrb.,' vii ('Abtli. f. Anat. u, Ontog.'), 

 pp. 431—448, pis. 19—23. 



9. Maas, O. — "Ueber die erste Differenzierung von Generations- und 



Somazellen bei den Spongien," ' Verb. Deutsch. Zool. Ges.,' 1893, 

 pp. 27—35. 



10. MiNCiiiN, E. A. — " Note on the Larva and Post-larval Development of 



Leucosolenia variabilis, II., sp., &c.," ' Proc. Roy. Soc.,' vol. Ix, 

 No. 359, pp. 42—52. 



11. MiNCUiN, E. A. — " Materials for a Monograph of the Ascons. I. On 



the Origin and Growth of the Triradiate and Quadriradiatc Spicules in 

 the Family Clathrinidrc," ' Quart. Journ. Micr. Sci.,* n. s., 40, pp. 469 

 —587, pis. 38—42. 



12. MiNciiiN, E. A. — " The Position of the Sponges in the Animal Kingdom," 



' Sci. Prog.,' n. s., i, pp. 426—460. 



13. Noldeke, B.— " Die Metamorphose des Siisswasserschwammes," ' Zool. 



Jahrbucher,' viii (' Abtli. f. Anat,, &c.'), pp. 153—189, Taf. 8, 9. 



