WORKS AND PAPERS ON SPONGES. 



SCHULZE (F. E.). Untersuchungen, &c., die Familie der Chondro- 



sidee, Zeits. fur wiss. Zool., xxix, 1877, p. 82, pis. viii and ix. 

 Untersuchungen, &c., 4te Mitth., die Familie der Apfy- 



sinidtf, Zeits. wiss. Zool., xxx, 1878, p. 379, pis. xxi 



xxiv. 

 Untersuchungen, &c., 5te Mitth., die Metamorphose von 



Sycandra raphanus, Zeits. wiss. Zool., xxx, 1878, p. 261, 



pis. xviii, xix. 

 Untersuchungen, &c., 6te Mitth., die Gattung Spongelia, 



Zeits. wiss. Zool., xxxii, 1878, p. 117, pis. v viii. 

 Untersuchungen, &c., 7te Mitth., die Familie der Spongidce, 



Zeits. wiss. Zool., xxxii, 1879, p. 593, pis. xxxiv xxxviii. 

 Untersuchungeu, &c., 8te Mitth., die Gattung Ifircinia, 



Nardo, und Oligoceras, n. g., Zeits. wiss. Zool., xxxiii, 1879, 



p. 1, pis. i iv. 

 On the structure and arrangement of the soft parts in 



Euplectella aspergillum, Trans. Koy. Soc. Edinb., xxix, 1880, 



p. 661, pi. xvii. 

 Untersuchungen, &c., 9te Mitth., die Plakiniden, Zeits. wiss. 



Zool., xxxiv, 1880, p. 707, pis. xx xxii. 

 Untersuchungen, &c., lOte Mitth., Corticium candelabrum, 



0. Schmidt, Zeits. wiss. Zool., xxxv, 1881. pp. 410430, 



pi. xxii. 

 BAREOIS (C.). Memoire sur 1'embryologie dequelques Eponges de 



la Manche, Ann. Sci. Nat., ser. 6, iii, 1876, art. xi, pis. xii 



xvi (abstr. Month. Mic. Jour., xvi, 1876, p. 254). 

 PATER (Julius). Incidental notice of occurrence of Hyalonemata, 



Austrian Arctic Voyage, London, 1876, vol. ii, p. 93, and 



fig- 

 FULLAGAE. Note on the development of the Spicules of Spongilla 



fluviatilis, Month. Micros. Jour., xviii, 1877, p. 45. 

 GEIHM (E. 0.). Description of new Sponges discovered during 



his Aral and Caspian researches, Aralo- Caspian Researches, 



vol. ii (St. Petersburg. In Eussiau). (a) Tetrad, i, 1876, 



p. 80, pis. ii and iii. (b) Tetrad, ii, 1877, p. 29, pi. ix, figs. 



16. 

 WALLER (J. G.). On a new British Sponge of the genus Micro- 



ciona, Month. Micros. Journ., xviii, 1877, p. 261. 

 On variation in Spongilla fluviatilis, Jour. Queckett Mic. Club, 



No. 37, 1878, p. 53, pi. v. 



