WORKS AND PAPEES ON SPONGES. 221 



Ann. Nat. Hist., ser. 5, v, 1880, pp. 130, 241, and 396, pis. vi, 



vii, x xii, xvii. 

 ZITTEL (K. A.). Studien iiber fossile Spongien, erste Abtheilung. 



I. Hexactinellida, Abh. bayer Akad. d. Wiss., xiii, 1878, p. 1, 



translated Ann. Nat. Hist., ser. 4, xx, 1877, pp. 256, 405, and 



501. 

 Studien, &c. II. LitJiistidce, Abh. bayer Akad. d. Wiss., ii, 



cl. xiii, 1878, p. 67, pis. i x, translated Ann. Nat. Hist., 



ser. 5, ii, pp. 112, 235, 324, 385, 467, pi. viii (contains recent 



species). 

 Studien, &c, III. Abt. Monactinellidce, Tetractinellidce, and 



Calcispongice, Arb. bayer. Akad. d. Wiss., xvii, 1879, pt. 2, 



p. 1, pis. xi, xii, translated Ann. Nat. Hist., ser. 5, iii, 1879, 



pp. 304 and 364 ; iv, 1879, pp. 61 and 120. 

 Beitrage zur Systematik der Fossilen Spongien, Stuttgart, 



1879. 



COUES (E.) and YABROW (H. C.). In notes on the Natural His- 

 tory History of Fort Macon, N. C., and vicinity, Proc. Acad. 



Philadel., 1878, p. 297. 

 CZEKNIAVSKY (V.). Littoral Sponges of the Black and Caspian 



Seas, an introductory investigation [in Eussian], Bull. Soc. 



Imp. des Natur. Moscou, liii, 1878, p. 375, pis. v viii. 

 Spongise littorales Marium Pontici el Caspii [in Eussian, 



description of Species in Latin], Bull. Soc. Imp. Nat. Moscou, 



liv, 1880, pt. ii, pp. 88, 228. 

 MEBESCHKOWSKY (C.). On Wctynerella, a new genus of Sponge, 



nearly allied to the Pliysemaria of Ernst Hiickel, Mem. Acad. 



Imp. des Scien. Petersbourg, ser. 7, xxvi, No. 7, 1878, p. 15, 



pi. ii, figs. 15 ; and Ann. Nat. Hist., ser. 5, i, 1878, p. 70, 



pi. v (not a sponge} ; Note on Wagnerella a Protozou, Ann. 



Nat. Hist., ser. 5, vol. viii, 1881, p. 288. 

 Etudes sur les Eponges de la Mer Blanche, Mem. Acad. Imp. 



des Scienc., Petersbourg, ser. 7, xxvi, No. 7, 1878, p. 1, 



pis. i iii. 

 Eeproduction dea Eponges par bourgeonnement exterieur, 



Arch, de Zool. exper. et gener., viii, 1880, p. 117, pi. xxxi ; 



reported and figures given also Jour. Eoy. Micros. Soc., iii, 



p. 970, pi. xxi. 

 GANIN (M.). Zur Entwicklung der Spongilla fluviatilis, Zoolog. 



Anzeiger, i, 1878, p. 195. 



