15 



France, Dr. IV. E. Leach; Indian Ocean, Gvn. Hard- \. Nectria ocelli/era, Gray, Ann. N. H. 1840, p. 287- 



wicke; Red Sea., James Burton, Es(j. Asterias ocu/ifera, hamk. n.o ; Ondart, t. . f . .' Goiiio- 



See a. Scytaster semiregularis, Mlill. i^- Trosch. Ast. 36. discus ocelliferus ?, Miill. & Trosch. Ast. 60. Inhab. 



b. Scytaster Keenii, Miill. <Sf Trosch. Ast. 38. (Brit. Mus.). 



XXX. GoMOPHiA. Rays elongate, cylindrical, tapering, 

 with a tcrniiiial tubercle; back with large rounded tuber- 

 cles ; back of the rays with series of large conical convex 

 tubercular spines ; the spines near the ambulacra small, 

 crowded. Gray, Ann. N. H. 1840, p. 286. 



1. Gomophia Egyptiaca. Rays tapering, acute, four 

 times as long as the width of the body, with live ii'regular 

 rows of couical acute tubercles. Gray, Ann. N. H. 1840, 

 p. 286. Inhab. Egypt, Sir J. G. Wilkinson. 



** Rays with the series of spines on the sides of the ambu- 

 lacra yradually passing into the granulations ivhich 

 crowd on them. 



XXXI. Nabdoa. Rays cyliudi'ical, spineless, formed of 

 large granulai' convex ossicula. Gray, Ann. N. H. 1840, 

 p. 286. Scytaster, sp., Miill. ^ Trosch. Ast. 34. 



1. Nardoa variolata. Gray, Arm. N. H. 1840, p. 286. 

 Scytaster variolatus, Miill. & Trosch. Ast. 34. Asterias 

 variolutus, Retz. Diss. 19; Lamk. 36; Oudart, t. . f . 

 Pentadactylosaster variolatus, Linck, t. 1. f. 1, t. 8. f. 10, 

 t. 14. f. 24. Linckia variolata, Nardo. Inhab. Medi- 

 terranean Sea. 



2. Nardoa Agassizii. Rays cylindrical ; tubercles sub- 

 equal. 



Var. 1. 4-rayed, Linck, t. 1. f. 1. Var. 2. 6-rayed. 

 Monstrosity 1. 7-rayed. Monstrosity 2. 3-rayed, with 

 two short rays on the opposite side. Monstrosity 3. with 

 one ray bifid, Linck, t. 14. f. 2, 4. Gray, Ann. N. H. 1840, 

 p. 287. Inhab. Isle of France, Dr. IV. E. Leach. 



3. Nardoa tubtrculata. Rays cylindrical, with scattered 

 hemispherical larger tubercles. Gray, Ann. N. H. 1840, 

 p. 287. Inhab. Island of Luzon, Port of Sual, H. Cu- 

 ming, Esq. 



See a. Asterias milleporclla, Lamk. ii. 564 ; Scytaster 

 milleporellus, MdU. ^ Trosch. Ast. 35 ; Red Sea. b. Scy- 

 taster zodiacalis, Miill. ^ Trosch. Ast. 35. 



XXXII. Narcissia. Body pyramidical, thin, coriaceous, 

 uniformly granular; rays tapering, elongate, triangular 

 on the base, formed of thin flattened ossicula. Gray, Ann. 

 N. H. 1840, p. 287. 



1. Narcissia Teneriffce. Rays tapering, elongate, acute, 

 more than four times as long as the width of the body. 

 Inhab. Teneriffe (Brit. Mus.). 



XXXIII. Nectria. Body rather pyi'amidical, coriaceous, 

 scattered with truncated warts, granular at the top ; rays 

 roundish, produced, edged with two series of flat granular 

 warts on each side ; beneath largely granular. Gray, Ann. 

 N. H. 1840, p. 287. 



XXXIV. Nkpanthia. Body small, flat ; rays very long, 

 cylindrical, tapering, not margined, formed, above and 

 below, of many regular longitudinal and transverse series 

 of flat-topped tubercles, furnished at the top with a series 

 of elongate spine-like granulations. Gray, Ann. N. H. 

 1840, p. 287. 



Intermediate between ^«<roj9ec/m?«?(E and Gribellime ; but 

 the rays are not margined, and the spines at the top of the 

 tubercles are not i-egularly radiately disposed. 



1. Nepanthia tessellata. Brown; rays elongate, slender, 

 tapering, with series of square warts. G)-ay, Ann. N. II. 



1840, p. 287; Miill. ^ Trosch. Ast. 28. Inhab. . 



(Brit. Mus.). 



2. Nepanthia maculata. Grey, with black spots; rays 

 rather depressed, blunt ; middle of the back with oblong 

 transverse, and the sides with squarish, wai-ts. Gray, Ann. 

 N H. 1840, p. 287; Miill. ^ Trosch. Ast. 28. Inhab. 

 Migupou, H. Cuming, Esq. 



Family IV. ASTERINID/E. 



Body discoidal or pyramidical, sharp-edged; skeleton 

 formed of flattish imbricate plates ; dorsal wart single, 

 rarely double. Gray, Syn. Mus. 62; Ann. N. H. 1840, 

 p. 288. Asteriscus, Miill. ^ Trosch. Ast. 39. 



A. Ambulacral spines separate. 



I. Palmipes. Body flat, thin, nearly membranaceous ; 

 margin radiately striated ; the doi'sal ossicula with a radi- 

 ating tuft, and the oral ones with a transverse line of mauy 

 thin mobile spines ; ambulacral spines in oblique rounded 

 groups. Gray, Ann. N. H. 1840, p. 288 ; Agassiz, Prod. 25. 



1. Palmipes membranaceus. Rays 5, broad. Gray, Ann. 

 N. H. 1810, p. 288; Linck, 1. 1. f. 2, 3. Asteriscus pal- 

 mipes, Midi. t<^ Trosch. Ast. 39. Ast. membrauaeca, Retz. 

 ^ Lamk. Ast. placenta. Pennant. Ast. cartilaginea, 

 Fleming. Ast. rosacea, Lamk. (a broken specimen) . In- 

 hab. British Channel, Plymouth Sound; Mediterranean? 



2. Palmipes Stokesii. Rays 15, acute. Gray, Ann. N. 

 H. 1840, p. 288. Asterias rosacea, var., Lamk. ii. 55S. 

 Asteriscus rosaceus, Miill. ^ Trosch. Ast. 40 (Mus. j\Ir. 

 Stokes). Inhab. Japan. 



See a. Asteriscus pectinifer, Miill. & Trosch. Ast. 40. 



II. PoRANiA. Body pyramidical, thick, 5-rayed; skin 

 above and below varnished, spineless ; dorsal ossicula irre- 

 gular; the margin with two series of large ossicula; the 

 lower ones produced, sharp-edged, and each fui-uished on 

 the edge with a scries of mobile spines ; the ambulacra 

 with two series of nujbile spines, each pair on a separate 

 ossiculum ; the upper marginal ossicula trigonal, imbricate ; 



