10 Ech. 
ECH INODE RMATA. 
Simrotii, — . [Vide John.] 
S laden, W. P. (1) Description of Nymphaster protentus. [Vide mb 
Bell (2).] 
. (2) Asteroidea of Mergui Archipelago. J. R. Micr. Soc. 1890, 
pt. 1, No. 74, p. 46. [Abstr. of paper in J. L. S. xxi (1889), pp. 319— 
330, 1 pi.] 
. (3) Report on the A steroidea collected by H.M.S. ‘ Challenger ’ 
during the years 1873-1876. Am. Nat. xxiv, No. 278 (Feb. 1890), 
pp. 160 & 161. 
Abstract and criticism of the ‘ Challenger’ Report, vol. xxx (1889). 
Sluiter, C. Ph. (1) Ueber die Entstehung der Korallenriffe in der 
Javaseo und Brantweinbai, und iiber noue Korallenbilduug bei Kra- 
katau. Biol. Centralbl. ix, No. 24 (15th Feb., 1890), pp. 737-753. 
Holothuria squamifera , Semper, living in the mud of the Bay of 
Batavia, between the two coral islands Enkhuizen and Leiden, p. 742. 
Temnopleurus , and numerous Ophiuroids and small Synaptidce abundant 
in young coral reefs, p. 742. 
■. (2) Die Evertebraten aus der Sammlung des koniglichen uatur- 
wissenschaftlichen Yereins in Niederlandischen Indien in Batavia. 
Tijdschr. Nederl. Ind. xlviii (1889), pp. 285-313. 
A list of Echinoids and Asteroids, with the locality, depth, and 
nature of the surroundings in which each species lives. 3 new ^.steroids. 
[ Vide infra , Systematic.] 
. (3) Nachtragliches iiber die Echinodermen-Fauna des Java-Meeres. 
Tijdschr. Nederl. Ind. xlix (1890), ser. 8, deel x, pp. 105-110, 
1 pi. 
Holothurians and Echinoids. 3 new species of the former. [Vide 
infra, Systematic.] 
Somerville, Alex. Dredging off Portincross, Ayrshire. P. N. H. Soc. 
Glasg. ii, (n. s.), pt. ii (1890), pp. 189-193. 
Brissus lyrifer , Forbes, obtained, p. 193. 
Sturtz, B. Neuer Beitrag zur Kenntniss paloeozoisclier Seesterne. 
Palaeontogr. xxvi. Lief. 4-6 (March, 1890), pp. 203-247, taf. 
xxvi-xxxi. 
1. Literature and Introduction (pp. 203-205). 2. Completion and 
Correction of Palaeozoic Asterids already known (pp. 205-225). 3. 
Descriptions of new Asterids from Bundenbach ; (a) Stellerids, (5) 
Ophiurids (pp. 225-233). 4. General part (pp. 233-244). [Vide infra, 
Anatomy, &c., Biology, and Systematic.] 
Swainson, G. Among the Sea Urchins. Part I. J. Micr. & Nat. Sci. 
(n.s.)iii, No. 1 (Jan. 1890), pp. 9-18, pi. i, 2 woodcuts. Part n. Op. 
cit. No. 4 (Oct. 1890), pp. 260-268, pi. xviii, 3 woodcuts. 
A popular article ; nothing new. 
