SPONGIDA. 



83 



ZlTTKL, K. A. 



pp. 203, 204. 



Notizen iiber fossile Spongien. 



New-8 Jahrb. f. Mineral. 1882, 

 [545 





ETHERIDGE, K., Jim. Paleeontological Notes. (Hyalonema, etc.) Geol. May. 

 Dec. n. Vol. v. pp. 117119, 1878. [546 



HALL, J. Note on the occurrence of Astylospongia in the Lower Helderberg 

 rocks. 16/i Ann. Rep. Regents Univ. N. Y. on Condition of State Cabinet, pp. 69. 

 70, 1863. [547 



HYATT, A. Remarks on the Beatrices, a new division of Mollusca. Am. Journ. 

 Sci. (2) Vol. xxxix. pp. 261266, 1865. (Sponges.) . [548 



v. LENDENFELD, K. Aplysinidae. Zeitschr. f. wiss. Zool. Vol. xxxvm. p. 234, 

 1883. (4 pi.) [548* 



MARTIN, K. Niederldndische und nordwestdeutsche Sedimentargeschiebe, Hire 

 Uebereinstimmung, gemeinschaftliche Herkunft und Petrefacten. Leiden, 106 pp. 

 1878. 8vo. (Silurispongia, n. g.) [549 



SALTER, J. W. Protospongia fenestrata, and Theca corrugata. Quart. Journ. 

 Geol. Soc. Vol. xx. p. 238, 1864. (2 fig.) [550 



SHALER, N. S. On the occurrence of the genus Beatricea in Kentucky. Am. 

 Nat. Vol. xi. p. 628, 1877. [551 



62 



