6 Ech. 
ECHINODERMATA. 
Holothurians from Chinese and Japanese Seas ; Marenzeller (32). 
Echinoids of South Australia ; R. Tate, Tr. R. Soc. S. Austr. v. 
pp. 74 & 75. 
EOHINOIDEA. 
Bell (9) finds that the bihamate spicules are found in the so-called 
Echinometridai as well as in the Echinidce , and regards this as a further 
reason for uniting those families. He describes the spicules of Echino- 
cidaris , which had not been detected by Stewart, and suggests that their 
rarity is due to the great thickness of the walls of their suckers. The 
irregular, or “ amorphous” spicules of Salenia may perhaps afford a type 
from which the more elaborate spicules of the Ectobranchiata may be 
derived. 
Duncan (17) describes the grooves and depressions, or pits, in the 
Temnopleuridce , and finds that the last are continued into the test as 
flask-shaped cavities ; the amount of undermining is considerable. The 
pits increase the superficies of the derm, and near the peristome contain 
sphoeridia. The Temnopleuridce may be separated into two divisions — 
one with and one without pores ; the latter are the oldest in time. 
Duncan (18) regards Fleur echinus as a subgenus of Temnopleurus. 
On Spatangus purpureus, see Koehler, C. R. xciv. pp. 139-141. 
On the development of Arbacia punctulata, see Zool. Anz. v. p. 341. 
Echinus alexandri , sp. n., Danieissen & Koren (16). 
Stomojmeusles atropurpurea, sp. n. [see Zool. Rec. xvii. Ech. p. 6]. 
Hipponoe variegata , var. n. alba t J. E. T. Woods, P. Linn. Soc. N. S. W. 
vii. pp. 93 & 94, figs. 
In his notes on now or rare (fossil*) Ecliinids Cotteau doals particularly 
with the genus Micropsis ; Bull. Soc. Z. Fr. vii. pp. 406-424. 
Cleistechinus , g. n. Described by Loriol (Mem. Soc. Genev. xxviii.) 
among the ‘Echinides des environs de Camerino Toscane/ apparently 
most nearly allied to Argopatagus (Miocene). 
Enichaster , g. n., id. ibid. ; one of the Ilolasteridce (Oligocene). 
On fossil Echinoidea from the Nummulitic Strata of West Sind, see 
Duncan & Sladen, Mem. Geol. Surv. Ind. ser. xiv. vol. i. 3, fascc. i & ii., 
where the following new genera are described : — Acanthechinus , Dictyo- 
pleurus , Arachnopleurus , Progonechinus i Plesiolampas , Eolampas , Para- 
lampas , and Neocalopygus. 
Cotteau writes on jurassio Salenidce in Bull. Soc. Geol. Fr. (3) viii. 
pp. 297-299 ; on jurassic Hemicidaris, op. cit. x. pp. 48-52 ; and on 
jurassic Pseudodiadema, op. cit. xi. pp. 8-13 ; he gives (op. cit. x. 
pp. 341-346) an account of Algerian Echinids. and (tom. cit. pp. 264 & 
265) of the Echinids of Cuba ; the two last papers dealing with the 
subject matter of more extended works. 
On the fjurassic Echinids ‘‘ du Boulonnais,” see E. Rigaux, op. cit. viii. 
pp. 620-633. 
* The Recorder does not pretond to any completeness in his notices of fossil 
forms, but he attempts to indicate the papers which seem to be most important. 
