Verrill, Kotes on Radiata. 338 



List of Species found at Zorritos, Peru* 

 Ophiuroidea. 



Astrophyton Panamense Verrill ! 

 Ophiothrix spiculata LeC ! 



ASTERIOIDEA. 



Astropccten fragilis Verrill ! 



Nidorellia armata Gray ! 



Linckia tinifascialis Gray ! 



Ophidiaster pyramidatus Gray ! 



Heliaster Cumingii Gray, Zorritos ! Paita ! Galapagos. 



ECHINOIDEA. 



Uchinocidaris stellata Ag. ! 

 Echinometra rupicola A. Ag. ! 

 MelUta Pacifica Verrill ! 

 Encope occidentalis Verrill ! 



Of the 11 species in this list, 9 are found as far north as Panama, 

 or beyond, — 5 even occurring at Cape St. Lucas, f Mellita Pacifica 

 is not yet known elsewhere ; Heliaster Cumingii and Echinocidaris 

 stellata are also found at Paita. All the species of this list are in the 

 Museum of Yale College. 



List of species recorded from the Galapago Islands. 



ASTERIOIDEA. 



{?) Culcita Schmideliana Gray, "Lord Hood's Island on Reefs, H. Cum,- 



ing'''' (Gray). 

 Heliaster Cumingii Gray, "Hood's Island" (Gray). 

 H. multiradiata Gray, " Hood's Island " (Gray). 

 {?) Acanthaster Ellisii Gray. Stilifer aster icola Brod., is recorded as 



parasitic in " Asterias Solaris " from Lord Hood's Island, Gal., Proc. 



Zool. Soc. London, 1832, p. 60. 



ECHINOIDEA. 



Cidaris Thouarsii Val., Panama ! etc. 



Echinocidaris stellata Ag., Panama ! etc. 



{?) Lytechinus semituherculatus Val., {? L. roseus). 



{?) Euryechinus imhecillis Verrill, [Echinus gibhosus Val.). 



Anthocidaris homalostoma (Val. sp.) Ltitk. 



Temnopletirus botryoides Ag. 



Amblypneustes pallidus Ag. 



A.formosus Val. 



* Zorritos is situated 25 miles south of Tumbes, Peru. 

 f Eight of these species are found at La Paz, — Reprint. 



