WORKS AND PAPERS ON SPONGES. 219 



ScHTJiZE (P. E.). Untersuchungen, <fcc., die Tamilie der Ohondro- 



sida, Zeits. fur wiss. ZooL, xxix, 1877, p. 82, pis. viii and ix. 

 'CDtersuchungen, &o., 4te Mitth., die ramilie der Aply- 



sinidcB, Zeits, wiss. Zool., xxx, 1878, p. 379, pis. xxi— 



xxiv. 

 TTntersuchungen, &c., 5te Mitth., die -Metamorphose von 



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



pis. XTiii, xix. 

 Fntersuchungen, Ac, 6te Mitth., die Q-attung Spongelia, 



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

 Untersuchungen, &c., 7te Mitth., die Tamilie der Spongida, 



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

 Untersuchungen, &c., 8te Mitth., die G-attung Sircinia, 



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 



Muplectella aspergillum, Trans. Eoy. Soc. Edinb., xxix, 1880, 



p. 661, pi. xvii. 

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



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

 Untersuchungen, &c., lOte Mitth., Oorticiim, candelalrum, 



0. Schmidt, Zeits. wiss. Zool., xxxv, 1881. pp. 410 — 430, 



pi. xxii. 

 Baeeois (C). Memoire sur I'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). 

 Payee (Julius). Incidental notice of occurrence of Syalonemata, 



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



fig. . 

 PuiiAGAE. Note on the development of the Spicules of Spongilla 



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

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



his Aral and Caspian researches, Aralo-Caspian Researches, 



vol. ii (St. Petersburg. In Russian) . («) Tetrad, i, 1876, 



p. 80, pis. ii and iii. (5) Tetrad, ii, 1877, p. 29, pi. ix, figs. 



1—6. 

 Waliee (J. G.). On a new British Sponge of the genus Mitrro- 



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

 On variation in Spongilla flviviatilis, Jour. Quectett Mic. Club» 



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



