. 654 
ECHINODERMATA. 
illustrates the mouth- angles, mouth-shields, and under-arm-plates of 25 
species of Amphiura (and Amphipholis, A. anomala making the passage 
between the two). The following species and genera, &c., are described 
by Lyman : — 
Ophiomusium acuferum^ sp. n., p. 7, pi. i. figs. 1-6 (Barbados, 
Florida, 42-100 fath.) ; testudo, sp. n., p. 8, pi. i. figs. 6-8 (Barbados, 
100 fath.) ; Ophiozona nivea, sp. n., p. 9 (Barbados, Cuba, 100-424 
fath.) ; Ophioceramia albida (Lgm.), p. 10, pi. iii. figs. 29-31 ; OpMocoma 
j?ap«7/osa, sp. n., p. 11 (California); Ophiacantha stellata^ sp. n.,.p. 11, 
pi. ii. figs. 16-18 (Barbados, 100 fath.) ; hirsuta, sp. n., p. 12, pi. ii. figs. 
21-23 (Barbados, Florida, 100-240 fath.) ; marsupialis, sp. n., p. 13, 
pi. i. figs. 9 & 10 (Juan Fernandez, 240 fath., viviparous) ; Ophiomitra 
cervicornis, sp. n., p. 14, pi. ii. figs, 19 & 20 (Cuba ?, deep water ?) ; 
Amphiura anomala^ sp. n., p. 15, pi. iii. figs. 26-28 (Juan Fernandez, 
220 fath.) ; aquamata (D. Ch.) (Talcahuano Bay) ; harharce, sp. n., 
p. 17, pi. iii. figs. 33 & 34 (California) ; flexuoaa^ Lgm. ?, p. 17, pi. iii. 
figs. 35-37, pi. V. fig. 68 (Florida, Barbados, 100 fath.) ; repena^ sp. n., 
p. 18, pi. iii. figs. 38-40 (Florida) ; magellanica, Lgm., p. 19 (Patagonia, 
viviparous) ; dupUcata, sp. n., p. 19, pi. v. fig. 78 (Barbados, 100 fath., 
Brazil ?) ; chilenais, M. Tr., p. 20, pi. v. fig. 77 (Talcahuano) ; Ophio- 
cnida filigranea^ sp. n., p.. 20 (Florida). Ophiophragmus wudemanni, 
var. ?, p, 21 (Florida). Ophioscolex atimpsoni^ sp. n., p. 23, pi. i. figs. 
11-15 (Florida, 240 fath.). Astroschema tenue^ sp. n., p. 27 (Barbados, 
100 fath.). Aatrophyton pourtalesi, sp. n., p. 28, pi. iv. figs. 41-43 
(Patagonia, 65 fath.) ; apinoaum, sp. n., p. 29, pi. iv. figs. 44-46 (Panama). 
OphioplaXf g. n. (nQdiV Ophiocnida). Teeth; no tooth-papillae; nu- 
meroua mouth-papillce. Scaling of disc beset with granulation. Arms 
long and rather stiff. Arm-spines few and smooth, arranged on 
the ridges'of the side arm-plates. One very large tentacle-scale on the 
side arm-plate, and others^ minute, on the under arm-plate. Two long 
genital openings in each inter-brachial space. 0. ljungmanni, sp. n., 
p. 22, pi. ii. figs. 24 & 25 (Barbados, 100 fath.). 
Astrotoma, g. n. (simple-armed Euryalce). Disc and arms granulated. 
Badial ribs low and narrow, running to centre of disc. Arms simple 
and traversed by annular ridges bearing microscopic spines. Tentacle 
spines stout, erect, standing by all the pores except those close to the 
mouth. No mouth-papillae. Teeth and tooth-papillae similar and spini- 
form, arranged in a clump at the inner points of the mouth angle. Two 
genital openings lying at th^ outer corners of each inter-brachial space. 
A. agassizi, sp. n., p. 24, pi. iv. figs. 62-66 (Magelhaens Straits, 135 fath.). 
Crinoid.®. 
PouRTALEs’ description of Holopua rangii [Zool. Rec. xi. p. 616] is 
translated in J. Zopl. iv. pp. 42-44, also the chapters on Crinoids in 
Wyville-Thomson^s “Depths of the Sea,” tow. c«7. pp. 54-59. Car- 
penter has contributed the results of his studies on the nervous and 
generative systems of Comatula to the British Association ; Nature, xii. 
p. 441. 
