THE ANNALS 



AND 



MAGAZINE OF NATURAL HISTORY. 



[FIFTH SERIES.] 

 No. 110. FEBRUARY 1887. 



X. — The Generic Position 0/ Solanocrinus. Bj P. Herbert 

 Carpenter, D.Sc, F.R.S., F.L.S., Assistant Master at 

 Eton College. 



Some very valuable observations upon the structure of the 

 Upper Jurassic Crinoids have been recently published in the 

 ' Palgeontographica ' by Dr. J. Walther *, of Jena. He has 

 worked with great care and patience at a number of different 

 species, and has been able to expose several portions of their 

 organization which have been hitherto concealed by matrix. 

 To me personally his observations have a very special interest, 

 for in more than one case they throw light upon questions 

 which have been before my mind for some time past. These 

 will be fully discussed in the Report upon the ' Challenger * 

 Coraatulge, which is now passing through the press. But I 

 propose here to say a few words about another question which 

 Walther has reopened after it had been thought to be finally 

 settled, viz. whether Solanocrinus can be retained as a Coma- 

 tulid genus distinct from Antedon. The histoiy of these 

 generic names, the first of which originated with Goldfuss f, 



* " Untersuchungen iiber den Bau der Crinoiden, mit besonderer 

 Beriicksiclitigung der Formen aua dem Solenhofener Schiefer und dem 

 Kelheimer Diceraskalk," Palseontographica, 1886, Bd. xxxii. pp. 155-200, 

 Taf. xxiii.-xxTi. 



t ' Petref acta Germanise,' Theil i. p. 166. 



Ann. & Mag. N. Hist. Ser. 5. Vol. xix. 6 



