CLARK: OPHIUROIDEA. 445' 



Ophiopezella SPINOSA. 



Ophiarachna spinosa Ljungman, 1867. Ofv. Kongl. vet.-akad. Forh., 23^ 



p. 305. 

 Ophiopezella spinosa Lyman, 1882. Challenger Oph., p. 17. 



The specimens are all young and quite small hut the identity seems 

 clear. 



Paumotu Islands: Makemo. Fakarava. Rangiroa. 

 Society' Islands: Tahiti, Papeete. 

 Four specimens. 



OpmOLEPIDIDAE. 



Amphiophiura abcisa. 



Ophioglypha abcisa Liitken and Mortensen, 1899. Mem. M. C. Z., 23, p. 117, 



pi. 2, fig. 1-3. 

 Amphiophiura abcisa Matsumoto, 1915. Proc. Acad. nat. sci. Philadelphia, 



67, p. 78. 



The specimen is in poor condition but its identity seems fairly 

 certain. 



Station 4705. Eastern Tropical Pacific, 15° 05' S., 99° 19' W., 

 2031 fms. Bott. temp. 35.3°. Lt. yl. br. glob. oz. 



One specimen. 



Ophiura flagellata. 



Ophioglypha flagellata Lyman, 1878. Bull. M. C. Z., 6, p. 69. 1882. Chal- 

 lenger Rep., pi. 4, fig. 16-18. 

 Ophiura flagellata Meissner, 1901. Bronn's Thierreichs, 2, abt. 3, p. 925. 



The specimens are adults with the arms all badly broken. 

 Station 4641. Galapagos Islands: Hood Island, 12 miles south- 

 east of Ripple Point. 633 fms. Bott. temp. 39.5°. Lt. gy. glob, oz, 



Ophiura irrorata. 



Ophioglypha irrorata Lyman, 1878. Bull. M. C. Z., 5, p. 73. 1882. Chal- 

 lenger Oph., pi. 5, fig. 7-9. 

 Ophiura irrorata Meissner, 1901. Bronn's Thierreichs, 2, abt. 3, p. 925. 



A good series, mostly in good condition. In size the specimens 

 range from young ones, only 2.5-6 mm. across the disk, to adults 



