16 Ech, 
ECHINODERMATA. 
Sladen, W. P. (1) Report on a collection of Echinodermata , from the 
S. W. Coast of Ireland, dredged in 1888 by a Committee appointed 
by the Royal Irish Academy. P. R. Irish Ac. (3) i, pp. 687-704, 
pis. xxv-xxix. Abstract in J. R. Micr. Soc. 1891, pt. 5, p. 604. 
. (2) A Monograph of the British Fossil Echinodermata from the 
Cretaceous Formations. Yol. ii. The Asteroklea. Pt. i, pp. 1-28, pis. 
i-viii, Pal. Soc. 1891. 
Smithe, F., & Lucy, W. C. Some Remarks on the Geology of Alderton, 
Gretton, and Ashton-under-Hill., P. Cottesw. Nat. F. C. x (2) 
pp. 202-211, with pi. 
1 Crinoid, Extracrinus subangularis , Miller. 
Springer, F. [See Wachsmuth & Springer.] 
Stefani, C. de. Nouvelles Observations g^ologiques sur Pile de Sar- 
daigne. C.R. cxiii, No. 18 (2nd Nov. 1891), pp. 606-608. 
Occurrence of Encrinus liliiformis , Schl., in the Middle Trias, and of 
Pentacrinus in the Lias. 
Straiian, A. The Geology of the Neighbourhoods of Flint, Mold, and 
Ruthin. Memoirs of the Geological Survey of England and Wales 
(London, 1890). 
Lists of Echinoderms, pp. 226 & 228. 
Tate, R. A Bibliography and Revised List of the Described Echinoids 
of the Australian Eocene, with Description of some New Species. 
Tr. R. Soc. S. Austr. xiv (2) pp. 270-282. 
°Tiioma8, A. P. W. On Spontaneous Division in Starfish. Tr. N. Z. 
Inst, xxiii, 1890 (May, 1891) p. 618. 
Title only. 
Waciismutii, C., & Springer, F. The Perisomic Plates of the Orinouh. 
P. Ac. Philad, 1890 (1891), pp. 345-392, pis. ix & x. Abstract in 
J. R. Micr. Soc. 1891, pt. 3, p. 352. 
A critical review by F. A. B. in Geol. Mag. (n.s.), Decade iii, viii, 
pp. 219-224. 
Wagner, R. Ueber einige Yersteinerungen des unteren Muschelkalks 
von Jena. Z. geol. Ges. xliii (4) 1891 (1892) pp. 879-901, pi. xlix. 
Walcott, C. D. (1) The value of the term “Hudson River Group,” in 
Geologic Nomenclature. Bull. Geol. Soc. Am. i (April, 1890) 
pp. 335-356. 
- — . (2) The Fauna of the Lower Cambrian or Olenellus Zone. Rep. 
U.S. Geol. Surv. 1888-89, pt. i (1890), pp. 511-763, pis. xliii-xcviii. 
Cystids, pp. 588, 607 & 684. 
Walsh, J. T. Natural History Notes from H.M. Indian Marine Survey 
Steamer ‘Investigator,’ Commander R. F. Hoskyn, R.N., Com- 
manding. No. 24. List of deep-sea Holothurians, collected during 
seasons 1887-1891, with descriptions of new species. J. A. S. B. lx, 
pt. ii, No. ii, pp. 197-204. 
