ECHINODERMA. 141 



hand of snowy white. In the preserved specimens the membrane is now contracted 

 to a triangular peltate form, but the white band is still visible. 



CLYPEASTEIDA. 



EUOIATKASTIMD.K. 



Fibularia australis, Desml. (?). 



Many specimens, ranging from 6 millims. to 10 millims. in length, were dredged 

 outside Dutch Modragam Paar, at Station LVIL, 11 to 36 fathoms; and two speci- 

 mens, 8 millims. and 12 millims. in length, were obtained in deep water outside 

 Galle. These specimens have many more than 4 pairs of pores on the petals 

 generally 12 to 15 pairs are present. 



ECHINANTHID.F, 

 Clypeaster humilis (Leske) = C. rosaceus, Linn., fide Lov^n. 



Dredged all round the coast of Ceylon, at Stations I., II., IV., IX., XL, XII, XIV., 

 XXXVIII., XLIV, XLVI., XL VIII, XLIX, LL, LIIL, LVIL, LXIX. The speci- 

 mens ranged from 1 centim. to 15 centims. in length. 



This species seems commonest in depths of 8 to 10 fathoms on the pearl banks in 

 the Gulf of Manaar. 



Clypeaster scutiformis (Gmel.). 



Two specimens, about 50 millims. and 40 millims. in length, were dredged to the 

 west of the Periya Paar, at Station LXIIL, 17 to 55 fathoms. 



Two specimens, about 30 millims. long, were dredged in deep water 10 miles off 

 Galle, at Station XL., 34 fathoms, and 6 miles west of Kaltura, depth 22 fathoms, at 

 Station XL III. 



Echinanthus testudinarius (Gray). 



At Station III., off Chilaw, 9 to 14 fathoms; at Station XLL, 12 miles south of 

 Galle, about 100 fathoms ; at Station XLIX., south of Cheval and Periya paars, about 

 12 fathoms. 



Echinanthus, sp. ? 



A young specimen which we cannot identify with certainty was dredged at 

 Station LXVL, off Mutwal Island, 10 to 35 fathoms. 



LAGANID^. 

 Laganum depressuni, Less. 



Many specimens, ranging in length from 1"8 centims. to 4 centims., were dredged 

 all round the coast of Ceylon, at Stations II. , XII, XXL, XLIIL, XLVI., XLVIIL, 

 LIIL, LVL, and LVIL 



They were particularly abundant at Back Bay, Trincomalee, in 8 to 12 fathoms. 



