CLARK: THE STARFISHES OF THE GENUS IlELIASTER. 27 



1825. Say, Thomas. 



On the species of the Linnean Genus Asterias, inhabiting the coast of 

 ihe United States. Journ. Acad. Nat. Sci., 5, p. 141-145. Philadelphia. 



In a footnote on p. 145 is given the first published information in regard 

 to the home of Heliaster. , 



" A. Helianthus Lam, As the native coast of this splendid species was 

 unknown to Lamarck, I may . . . state that a fine specimen . . . 

 was found near Guasco, . . . Chili." 



1830. Blainville, H. M. D. de. 



Zoophytes : in Dictionnaire des Sciences Naturelles, etc. 60 vols. 60. 

 Strasburg et Paris. 



On p. 222-223 Solaste'ries is proposed as a section of Asterias, admittedly 

 artificial, for species with more than six rays, and A. Helianthus Lam. is 

 named as one of them. 



1834. Blainville, H. M. D. de. 



Manuel d' Actinologie, etc. Paris. 



On p. 241-242 is a repetition of the preceding suggestion, and a very 

 poor figure of half the abactinal surface of Helianthus is given, plate 23, 

 fig- 5. 



1834. Meyen, F. J. F. 



Reise urn die Erde, etc. Theil 1. Berlin. 



On p. 222 Asterias Helianthus Lam. is said to be " besonders haufig " on 

 the coast at Valparaiso, and is considered the " ausgezeichnetesten " species 

 of the genus. 



1835. Agassiz, L. 



Prodrome d'une Monographic des Radiaires ou Echinodermes. Mem. 

 Soc. Sci. Nat., 1, p. 168-199. Neuchatel. 



On p. 192, there is listed 

 " — St. Helianthus Ag. (Asterias Helianthus Lam.) — ", 

 the St. being an abbreviation for Stellonia Nardo. 



1840. Miiller, J. und Troschel, F. H. 



Ueber die Gattungen der Asterien, Arch. f. Naturg., Jahrgang 6, 1, 

 p. 318-326. Berlin. 



On p. 321 A. Helianthus Lam. is listed as one of eight species of Aster- 

 acanthion, and on p. 324 the madreporite of the same starfish is said to 

 be compound, a group of single plates. 



1840. Gray, John Edward. 



A Synopsis of the Genera and Species of the Class Hypostoma 

 (Asterias, Linnaeus). Ann. Mag. Nat. Hist., 6, p. 175-184. London. 



