36 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY. 



1897. Harrington, N. R. and Griffin, B. B. 



Notes upon the Distribution and Habits of some Puget Sound Inver- 

 tebrates. Trans. N. Y. Acad., 16, p. 152-165. New York. 



On p. 156 is the following mistake : " The commonest sea-star, a 

 gigantic species of Heliaster, finds shelter beneath the wharves, etc." 

 Of course, P ycnopodia heliautkoides is the species referred to. 



1899. Ludwig, H. and Hamann, O. 



Echinodermen: Asteroidea : in Dr. H. G. Bronn's Klassen und Ord- 

 nungen des Thicr-reichs, etc. 2. Leipzig. 



On p. 566-568 the madreporite of Heliaster is discussed and on p. 713 

 the family Heliasteridae is accepted with the single genus, Heliaster, 

 and five species, canopus Perrier being added to the four described by 

 Rathbun (1887). 



1900. Gregory, J. W. 



The Stelleroidea : in Bather's Echinoderma, chap. 13, p. 237-281 : in 

 E. Ray Lankester's A Treatise on Zoology, Part 3. London. 



On p. 258 the family Heliasteridae is accepted with two subfamilies ; 

 Helianthasterinae with the single Devonian genus, Helianthaster and 

 Heliastekinae with the single recent genus Heliaster. 



1900. Ritter, W. E. and Crocker, Gulielma R. 



Multiplication of Rays and Bilateral Symmetry in the 20-rayed Star- 

 fish, Pycnopodia helianthoides (Stimpson) Proc. Wash. Acad. Sci., 2, 

 p. 247-274, plates 13-14. Washington. 



In discussing the method of ra) r formation in multiradiate starfishes, 

 there are some references (p. 249 and 263) to Heliaster, based however on 

 assumption and not on investigation. 



1902. Goette, Alexander. 



• Lehrbuch der Zoologie. Leipzig. 



On p. 319 Heliaster helianthus, " mit zahlreichen Armen," is given as an 

 example of the Cryptozonia. 



1902. Kingsley, J. S. 



Hertwig's Manual of Zoology. New York. 



On p. 337 Heliaster is given as an example of a starfish with numerous 

 well developed rays and "ambulacra in four rows." 



1902. Clark, Hubert Lyman. 



Echiuodermata : in Papers from the Hopkins-Stanford Galapagos Ex- 

 pedition, 1S9S-99. Proc. Wash. Acad. Sci., 4, 521-531. Washington. 



On p. 523-524 are some notes on 77. cumingii and multiradiatus. 



