34 PROTOZOA. E. Eadiolaria. 



LEIDY, J. Apparent Discriminative Power in the Selection of Food by a Helio- 

 zoon (Acanthocystis spinifera). Proc. Acad. Nat. Sci. Philadelphia, pp. 291, 292, 

 1877 (1878). [732 



LEIDY, J. A Social Heliozoan (Rhaphidiophrys socialis). Proc. Acad. Nat. Sci. 

 Philadelphia, p. 95, 1883. (Abstr.) Ann. and Mag. of Nat. Hist. Ser. 5, Vol. 

 xn. pp. 209, 210, 1883. [733 



LEIDY, J. On Actinosphcerium Eichhornii. Proc. Acad. Nat. Sci. Philad. 1832, 

 pp. 260262. [734 



Eecent Researches on Heliozoa. (Abstr. of papers by Maggi and Cattaneo. 

 Journ. Roy. Microsc. Soc. Ser. 2, Vol. n. pp. 205207, 1882. [735 



SCHNEIDEK, ANT. Bemerlumgen zur Entwickelungsgeschichte der Eadiolarien. 

 (Actinophrys). Zeitschr. f. wissensch. Zool. Vol. xxiv. pp. 579, 580, 1874. [736 



SCHOCH, G. Ueber einige Siisswasser-Eadiolarien und die Stellung der Kadio- 

 larien in der Classe der Ehizopoden. Zurich Vierteljahrsschr. Vol. xin. pp. 281 

 285, 1868. [737 



SCHULTZE, F. E. Ueber den Bau und die Entwickelung von Actinosphterium 

 Eichhornii. Arch. f. microsc. Anat. Vol. x. pp. 328350. (1 pi.) Rhaphidiophrys 

 pallida, ibid. pp. 377400. (2 pi.) 1874. [73^ 



TATEM, J. G. On a presumed phase of Actinophryan Life. Monthly Microsc. 

 Journ. Vol. vn. pp. 169, 170, 1872. (1 pi.) [739 



WALLEB, J. G. Observations on the Conjugation of Actinophrys sol. Journ. 

 Quekett Microsc. Club, Vol. n. pp. 9398, 1871. [74 1 



E. Radiolaria. 



BKOECK, E. VAN DEN. Preparation des Polycystines. Bull. soc. Beige de 

 Microsc. Vol. iv. pp. ccxxxv ccxxxvm. 1877, 78. [742 



BUTSCHLI, 0. Beitrage zur Kenntniss der Eadiolarienskelette, insbesondere der 

 der Cyrtida. Zeitschr. f. ivissensch. Zool. Vol. xxxvi. pp. 485540, 1882. (3 pi.) 

 (Abstr.) Journ. Hoy. Microsc. Soc. Ser. 2, Vol. n. p. 205, 1882. [743 



CABBUTHEBS, W. On Traquairia, a Eadiolarian Ehizopod from the Coal- 

 measures. Rep. Brit. Assoc. : Trans. Sect. 1872, p. 126, 1873. [744 

 CABBUTHEBS, W. On a Eadiolarian Ehizopod from the Coal-measures. Quart. 

 Journ. Microsc. Soc. New Ser. Vol. xii. pp. 397, 398, 1872. [745 

 CIENKOWSKI, L. Ueber Schwarmerbildung bei Eadiolarien. Archiv mikrosk. 

 Anat. Vol. vn. pp. 372381, 1871. [74$ 

 CIENKOWSKI, L. On the Production of Spores in the Eadiolaria. Quart. Journ. 

 Microsc. Soc. New Ser. Vol. xi. pp. 396403, 1871. (1 pi.) [747 

 DANA, JAMES D. On two Oceanic Species of Protozoa related to the Sponges. 

 (Sphccrozoum, Collosphcera). Amer. Journ. of Sci. and Arts, Ser. 2, Vol. xxxv. pp. 

 386396, 1863. (fig.) [748 

 DANA, JAMES D. On two Oceanic Species of Protozoans related to the Sponges. 

 (Spluerozoum and Collosphcera). Ann. and Mag. of Nat. Hist. Ser. 3, Vol. xn. pp. 

 54, 55, 1863. (2 fig.) [749 

 DONITZ, W. Beobachtungen iiber Eadiolarien. Arch. f. Anat. (Eeich. u. Du 

 Bois), pp. 7182, 1871. (1 pi.) [75o 

 DONITZ, W. Ueber neue Entwicklungsstadien von Eadiolarien und iiber die 

 Bildung ihrer Alveolen. Sitzungsb. Ges. naturf. Fr. Berlin, 1870, pp. 71, 72. [751 

 DUNCAN, P. M. On a Eadiolarian (Aulosphara Pourtalesii), and some Micro- 

 spongida from considerable depths in the Atlantic Ocean. J. Roy. Microsc. Soc. 

 Ser. 2, Vol. i. pp. 173179, 1881. (1 pi.) [752 

 v. DUNIKOWSKI, E. Die Spongien, Eadiolarien und Foramiiiiferen der unterlias- 

 sischen Schichten vom Schafberg bei Salzburg (n. gen. Eadiolaria, Spongocystis, 

 Triactinosphcera). 34 pp. 6 pi. 4to. Wien, 1882. Denkschr. d.k. Akad. d. Wissensch. 

 Wien, Vol. XLV. pp. 163194, 1882. [753 



