22 Cod. 
XVI. CCELENTERATA. 
t Vermipora streptoccelia , Becraft mountain, New York, p. 63, pi. ix, figg. 7 
& 8, Clarke, Rep. N. York Mus. liii, ii, n. sp. 
\Zaphrentis turbinata , Niagara, p. 137, fig. 30, Grabau, Bull. X. York 
Mus. xlv—t Zaph.rentis sp. Sahara, Ficheur, Bull. Soc. geol. France 
(3) xxviii, pp. 915-926.—+ Zaphrentis, cf. also Hapsiphyllum , Homalo- 
phyllum , Scenophyllum and Triplophyllum. 
VI. CTENOPHORA. 
SUBJECT INDEX. 
General Biology. 
Insertion of the cilia in Ctenophores, Vignon (138). 
Histology of the Ectoderm, Curreri (30). 
Development of sexual organs, specially of Pleurobrachia rhodopis and 
R. pileus , Garbe (46). 
Geography. 
Atlantic, Beroe cucumis , Cleve, Goteborgs Vetensk. Handl. iii, p. 93. 
Messina, n. sp., Curreri (29). 
Systematic. 
Structure of Ectoderm, Curreri, Boll. Soc. zool. Ital. (2) ii, fasc. 1 & 2, 
pp. 58-76. 
Callianira Jicalbi, Messina, characters, Curreri, op. cit. (2) i, pp. 190 & 
191, n. sp. 
Pleurobrachia rhodopis , pileus , development of sexual organs, Garbe, 
Zeitschr. wiss. Zool. lxix, pp. 478-486. 
