546 
ECHINODERMATA. 
ture and affinities of the genus Brisinga, based on the study of a new 
species, B. coronata. Christiania (University thesis) : 111 pp. 7 pis. 
12. Selenka, E. [a] Zur Entwickelung von Holothuria tuhulosa 
SB. Soc. Erlang, i. pp. 1-5. [5] Beobachtungen iiber die Embryologie 
■ von Oucumaria doUolum, zugleich ein Beitrag zur Keimblatter- 
theorie. L. c. pp. 85-92. (Preliminary accounts.) 
13. Stewart, C. Note on the calcareous parts of the sucking feet of 
an Echinus {Podophora atrata). M. Micr. J. ix. pp. 55 & 56, pi. vii. 
14. Thomson, O. Wvville. On the Echinoidea of the “Porcupine” 
deep-sea dredging expeditions. Phil. Tr. clxiv. pp. 719-756, 
pis. lix.-lxxi. [cf. Zool. Rec. ix. p. 443]. 
A revised list of the Echinodermata from Greenland, known as such 
in the Copenhagen Museum, is contributed to the “ Arctic Manual,” 
[anted, p. 522], pp. 184 & 185, by the Recorder. 
Short notes on the occurrence of Echinodermata ( Calveria, Phormo- 
soma, Pourtalesia, Brissus, Caudina, Myriotrochus, Hyocrinus, Pentacrinus, 
Crihella, Archaster, Solaster, Brisinga, Porocidaris, Hymenaster, Cory- 
phaster') at great depths in the Indo-PacifiQ Ocean are given by R. v. 
WiLLEMOfis-SuiiM, in his letters from the Challenger Expedition. Z. 
wiss. Zool. XXV. pp. xxviii.-xlvi. ; xxvi. pp. Ixxiv., Ixxix.-lxxxi. 
Holothuriid^. 
Synapta inhoerens (Miill.) and Cucumaria lactea, Forb. & Goods. Mc- 
Intosh, Invert, of St. Andrews, pi. iv. figs. 4 & 5. 
The following new genera and species, &c., are described by Lud- 
wig (3) 
Synapta hanhensis, p. 78, pi. vi. fig. 1, asymmetrica, ib. pi. vi. fig. 2, 
and incerta, p. 79, pi. vi. fig. 3 (Banka). ; innominata, ib. pi. vi. fig. 4 
(Philippines) ; polii, ib. p. 80, pi. vi. fig. 5 (Barbados) ; Chiridota con- 
tor ta, ib. pi. vi. fig. 6 (hab. ?). 
Cucumaria ignava, p. 81 (Gulf St. Vincent) ; punctata, p. 82, pi. vi. 
fig. 8 (Barbados) ; nohilis, ib. pi. vi. fig. 14, and perspicua, p. 83, pi. vi. 
fig. 13 (Norway) ; parva, ib. pi. vi. fig. 12 (Chili); exigua, p. 84, pi. vi. 
figs. 9 & 11 (China Sea, Chili) ; improvisa, p. 85, pi. vi. fig. 10 (Algoa Bay) ; 
salmini, p. 86, and tenuis, ib. pi. vi. fig. 7 (Celebes) ; fallax, p. 87 
(Alaska); syracusana, Gr., var., p. 113, pi. vii. fig. 52 (Calabar). 
Colochirus tristis, ib. (Zanzibar) ; australis, p. 88 (Bowen, Sydney) ; 
minuius, p. 89, pi. vi. fig. 16 (Bowen). 
Pseudocucumis. 10 larger and 10 smaller tentacles, placed alter- 
nately in pairs, commonly ; the, smaller partly in the same circle with 
the larger, partly more inwards ; ambulacral feet disposed in rows on 
the radii. P. acicula (Semp.), p. 90, pi. vi. fig. 17. 
Actinocucumis. 18-20 tentacles of different size and irregularly 
disposed ; the two ventral always the smallest ; ambulacral feet dis- 
posed in several rows on the radii ; ambulacral papilli in the dorsal in- 
ter-radii. A. typica, p. 91, pi. vi. fig. 24 (Bowen). 
