ECHINODERMATA. 523 



longitudinal grooves. The warts on its surface also contain 



J5 " 



auchor-sliaped corpuscles. Rathke would have been inclined 

 to refer this Holothuria to Mimjas, Cuv., if the latter genus 

 possessed anchor-shaped corpuscles. According to Costa's 

 observations (Annales d. Sc. Nat. t. xix, 1843, p. 394), 

 &i/iiapt(e occur in the Bay of Naples, which differ from 

 Synapta duvernaa. Peach (Report of British Association, 

 1841, Notices, p. 65) has found on the coast of Cornwall a 

 true Holothuria furnished with twenty tentacula, a form 

 which has hitherto been wanting in the British Fauna. Its 

 cucumber-shaped body is furnished with spine-like processes 

 and four rows of suckers. On the other hand, Holothuria 

 squamata, Miiller, has been taken by M f Andrew (Annals 

 Nat. Hist, xiv, 1844, p. 413) in the Hebrides. 



Forbes (ib. xiii, 1844, p. 517) observed nine different 

 Echinidse at various depths in the Egean Sea, viz.: Spatangus 

 purpureus ; the fragments of a Sea-urchin belonging to the 

 genus Brissus, Kl. ; Amphidetus mediterraneus, nov. sp., 

 " dorso coiivexiusculo, depressione subplauo, impressione 

 scutiformi, extrernitate auali truncata impressa, cauda promi- 

 nenti acuminata, ventre piano, area postorali lanceolata." In 

 the family of the Clypeastridse [Clypeasterise] Forbes 

 observed [in abundance] in that sea, Echinocyamus pus'illus ; 

 in the family of the Cidaridas, Echinus Hindus was most abun- 

 dant, and Cidaris hystrix frequent, whilst Echinus esculentus 

 was rarely met with. Another Echinus, indistinguishable 

 from the fossil Echinus monilis, was found very abundantly 

 at from twenty to one hundred fathoms. It is the Echinus 

 miliaris of Grube, but very distinct from the true E. miliaris, 

 The same naturalist (ib. vol. ii, 1843, p. 280), describes 

 Goniaster abbensis as a new British Starfish, with the following 

 diagnosis : corpore planiusculo, orbiculari, angulis in brachiis 

 productis, infra et supra tuberculis, granulis stomatibusque 

 vestito. He also (ib. xi, 1843, p. 463, and xii, p. 211 ; also, 

 Transact. Linn. Society, vol. xix, P. 2, 1813, p. 143), insti- 

 tutes a new genus of the Ophiuridse, Pectinura, with the fol- 

 lowing characters : corpus orbiculare, squamosum, gra- 



