10 



BULLETIN 76, UNITED STATES NATIONAL MUSEUM. 



In a (general article in the American Naturalist for September, 1909, entitled 

 Remarkable Develo|)ment of Starfishes on the Northwest American Coast; Hy- 

 briilisra; Multiplicity of Rays; Teratolog}-; Problems in Evolution; Geographical 

 Distrihutiiin, the same writer named a number of new genera and species, some 

 without description, some with a few lines of description, and three with figures. 



New Genera. 



Pterasterides for Pteraster a poms 



Ludwig. 

 (illtpJiasUr for Leptychaster anoiit- 



ahis Fisher. 



New Species 



Asterias acanthostoma. 



Asterias duhia. 



Asterias epichlora, var. alasTcensis 



Bunodaster for B. ritteri Verrill, 

 ifornia." 



•Cal- 



Leptychaster ■millespina. 

 Henricia tumida. 

 Henricia spatulifera. 



Nomina Nuda. 



Asterias macropora. 



Henricia sanguinolenta, var. i^e'^tinata. 



Asterias cohniibiana. 

 Asterias troschelii, var. rudis. 

 Asterias fordpnlata. 



In the Annals and Magazine of Natural History for February, 1910, W. K. 

 Fisher published diagnoses of Thrissacanthias, Gephyreaster, SpJiseriodiscus, and 

 Ileterozonias, new genera, and preliminary diagnoses of Pteraster trigonodon, Pt. 

 coscinopeplus, Pt. marsippus, Pt. teninochiton, Hymenaster IcaMeri, and //. perissono- 

 tiLs. In the Zoologischer -Anzeiger for March 29, 1910, twenty-four new species 

 and subspecies were characterized, as follows: 



Leptychaster propinquus. 

 Dipsacaster borealis. 

 Dipsacaster IxtmopMlus. 

 Dipsacaster anoplus. 

 Benthopecten claviger. 

 Benthopecten mut-ahilis. 

 AcantharcTiaster aciculosus. 

 Acantharchaster variabilis. 

 Acantharchnster variabilis pedicel- 



laris. 

 Acantliarchaster intermedius. 

 CJiriraster agassizi evoplus. 

 PseudarcJiaster dissonus. 



Ceramaster clarli. 

 Cladaster validus. 

 Hippasteria leiopelta. 

 Poraniopsis infiatajiexilis. 

 Henricia leviuscula multispina. 

 Henricia leviuscula annectens. 

 Henricia astlienactis. 

 Henricia longispina. 

 Henricia clarlci. 

 Solaster exiguus. 

 Solaster Tiypoihrissus. 

 Lophaster furcilliger vexator. 



DISTRIBUTION AND RELATIONSHIPS OP NORTH PACIFIC ASTEROIDEA. 

 A full account of the distribution of species must be reserved for the conclud- 

 ing installment of this paper. It is intended here to present only the main features 

 of the relationsliips and distribution of the Phanerozonia and Spinulosa. Tables 

 of the bathymetrical range of species will also be given in a subsequent report. 



