ECHINODERMATA. 149 



Sp. Astropecten aurantiacus, Asterias aranciaca L., LINCK, de Stett. mar. 

 Tab. 5, fig. 6, Tab. 6, fig. 6, TIEDEMANN Anat. Tab. 5, 6, FORBES Br. Starf. 

 p. 1 30 ; in the Mediterranean and Atlantic Ocean. 



* Anus central, or sub-central, dorsal. 



a) Body disciform, with short rays. 



Asteropsis MUELL. and TROSCH., Stellaster GRAY, Goniodiscus 

 MUELL. and TROSCH., Astrogonium MUELL. and TROSCH., Asteriscus 

 MUELL. and TROSCH., Pter aster MUELL. and TROSCH., Culcita 

 AGASSIZ. 



Sp. Culcita discoidea, Asterias discoldea LAM., SCHMIDEL in Naturforsch. xvi. 

 1781, Tab. i., BLAINV. Actinol. Tab. 23, f. i ; Asteriscus palmipes, Asterias 

 membranacea RETZ, G-MEL., LINCK, de Stett. mar. Tab. i, fig. 2, BLAINV., 

 Actinol. Tab. 23, fig. 2, FOKBES Brit. Starf. pp. 116, &c. 



6) Body stellate, with rays distinct, surpassing the disc three 

 times or more. 



Archaster MUELL. and TROSCH., Oreaster MUELL. and TROSCH., 

 Scy taster MUELL. and TROSCH., Ophidiaster AGASS., Chcetaster 

 MUELL. and TROSCH., Solaster FORBES, Echinaster MUELL. and 

 TROSCH., (and Echinites in ERICHS. Archiv. 1844). 



Sp. Solaster papposus, Asterias papposa L., LINCK de Stett. mar. Tab. 32, 

 Tab. 34, fig. 54, FOKB. Brit. Starf. p. 112, in the Atlantic, on the 

 coast of England and Scotland, &c. ; when fresh of a beautiful red colour 

 above, of a yellowish brown below ; Echinaster Solaris, Echinites Solaris, 

 Asterias Echinites LAM., Naturforsch. xxvii. 1793, Tab. i, II. from the East 

 Indian Seas, &c. 



B. Ventral furrows with four rows of tentacles. Body with distinct 

 rays, with integument coriaceous, aculeate. Anus dorsal, sub- 

 central. 



Asterias GrRAY, (species of the genus Asterias L., Asteracan- 

 thion MUELL. and TROSCH.) 



Sp. Asterias rubens L., LINCK de Stett. mar. Tab. 36, fig. 61, EASTER 

 Natuurk. Uitsp. i. Tab. xn. fig. i 4, FOEBES Brit. Starf. p. 83 : the com- 

 mon Sea-star, Cross-fish ; so common on some coasts as to be used for 

 manuring the land in the neighbourhood. Asterias helianthus LAM., 

 Encyclop. PI. 108, 109, BLAINV. Actinol. Tab. 23, fig. 5, in the Pacific and 

 at Chili ; one of the most remarkable and most beautiful species, &C. 1 



1 For a knowledge of the numerous species of Asteridea comp. also J. E. GRAY, 

 Synopsis of the Genera and Species of the class Hypostoma (Asterias L.) in the Annals 



