REPORT ON THE ECHINOIDEA — MORTENSEN 257 



An interesting abnormality is shown by the larger specimen, in 

 that there are two genital pores in genital plate 3. 



PRIONOCIDARIS BACULOSA, var. ANNULIFERA (Lamarck) 



Plates 53, 54. 



Cidaris annulifera de Loriol, Mem. soc. sci. nat. Neuchatel, vol. 5, 1873, p. 



25, pi. 3. 

 Leiocidaris pistillaris, var. annulifera Doderlein, Jenaische Denkschr., vol. 



8, 1902, p. 692, pi. 59, figs. 1-5. 

 Cidaris (Cidaris) baculosa de Meijere, Die Echinoidea der Siboga-Exped. 



1904, p. 9, pi. 2, figs. 9-12. 

 [Not Phyllacanthus annulifera A. Agassiz, Illustr. Cat. Mus. Comp. Zo5L, 



No. 7, pt. 3 (Mem. Mus. Comp. Zool., vol. 3), 1873, p. 387.] 



Localities. — Station 5137; vinicity of Jolo (Sulu) ; Jolo Light bear- 

 ing S. 61° E., 1.3 miles distant (lat. 6° 04' 25 " N., long. 120° 58' 30" 

 E.); 36 meters; sand and shells; February 14, 1908 (2 specimens, 

 Cat. No. E. 1310, U.S.N.M.). 



Station 5145; in the vicinity of Jolo; Jolo Light bearing S. 16° E., 

 0.85 mile distant (lat. 6° 04' 30" N., long. 120° 59' 30" E.); 42 

 meters; coral sand and shells; February 15, 1908 (2 small specimens, 

 Cat, No. E. 1281, U.S.N.M.). 



Station 5151; Tawi Tawi group, Jolo Archipelago; Sirun Island 

 (C.) bearing N. 58° E., 19.3 miles distant (lat. 5° 24' 40" N., long. 

 120° 27' 15" E.); 44 meters; coral sand and shells; February 18, 

 1908 (2 small specimens, Cat. No. E. 1279, U.S.N.M.). 



Station 5160; Tawi Tawi group, Jolo Archipelago; Tinakta Island 

 (N.) bearing S. 72° W., 2.75 miles distant (lat. 5° 12' 40" N., long. 

 119° 55' 10" E.); 22 meters; sand; February 22, 1908 (1 young 

 specimen, Cat. No. E. 1338, U.S.N.M.). 



Station 5174; in the vicinity of Jolo; Jolo Light bearing E. 2.6 

 miles distant (lat. 6° 03' 45" N., long. 120° 57' 00" E.); 36 meters; 

 coarse sand; March 5, 1908 (2 young specimens, Cat. No. E. 

 1381,U.S.N.M.). 



Station 5355; North Balabac Strait; Balabac Light bearing S. 61° 

 W., 16.6 miles distant (lat. 8° 08' 10" N., long. 117° 19' 15" E.) ; 

 80 meters; coral and sand; January 5, 1909 (1 young specimen, Cat. 

 No. E. 1368, U.S.N.M.). 



Station 5481; in the vicinity of Surigao Strait, between Samar 

 and Leyte; Cabugan Grande Island (N.) bearing N. 86° W., 3.8 

 miles distant (lat. 10° 27' 30" N., long. 125° 17' 10"E.); Ill meters; 

 sand, shells, and gravel; July 30, 1909 (2 large and old specimens, 

 Cat. No. E. 1340, U.S.N.M.). 



Station 5482; in the vicinity of Surigao Strait; Cabugan Grande 

 Island (N.) bearing N. 87° W., 4.5 miles distant (lat. 10° 27' 30" 

 N., long. 125° 18' 00" E.); 122 meters; broken shells, sand, and green 



