TEMNOTREMA SCULPTA. 321 



Station 3876. Off Lahaina Light, Maui, H. I. Bott. temp. 74. 28-43 

 fathoms. S., g. 



Station 3962. Off Laysan Island, H. I. Bott. temp. ? 16 fathoms. Wh. 

 s., co. 



Station 3978. Off Modu Manu (Bird Island), H. I. Bott. temp. ? 32- 

 46 fathoms. Co. s., for., r. 



Station 4148. Off Modu Manu (Bird Island), H. I. Bott. temp. 77.9. 

 26-33 fathoms. Co. s., for. 



Station 4150. Off Modu Manu (Bird Island), H. I. Bott. temp. 74. 

 71-160 fathoms. Co. 



Bathymetrical range, 13-222 fathoms. Extremes of temperature, 77.9- 

 69. 



Sixteen specimens. 



Temnotrema sculpta A. Ag. 



Temnotrema sculpta A. Agassiz, 1863. Proc. Acad. Nat. Sci. Philadelphia, p. 358. 

 Pleurechinus variegatus Mortensen, 1904. Dan. Exp. Siam: Ech., p. 84; PI. 1, figs. 5, 6, S, 19; 

 PI. 2, fig. 6. 



Plate 112, figs. 1, 2. 



The "Albatross" specimens range from 6 to 10 mm. in diameter, and are 

 thus smaller than the type of sculpta which is 11 mm., but the latter is smaller 

 than Mortensen's specimens which ranged from 11.5 to 17mm. The "Albatross" 

 specimens have scarcely a trace of red on the primaries but are not otherwise 

 peculiar. Examination of the periproct in the specimens examined shows that 

 the description in the original diagnosis of Temnotrema is misleading. The 

 suranal plate is prominent and there may be two, or even three, other large 

 plates, but there is no close resemblance to the quartet of equal plates seen in 

 Arbacia. 



This species was taken by the "Albatross" at the following stations: 



Station 4893. Southwest of Goto Islands, Japan; 32 32' N., 128 32' 50" E. 

 Bott. temp. 55.9. 95-106 fathoms. Gy. s., brk. sh., p. 



Station 4895. Southwest of Goto Islands, Japan; 32 33' 10" N., 128 32' 

 10" E. Bott. temp. ? 95 fathoms. Gn. s., brk. sh., p. 



Station 5095. Off Gulf of Tokyo, Japan; 35 5' 34" N., 139 38' 36" E. 

 Bott. temp. 57.8. 58 fathoms. Fne. bk. s., brk. sh. 



Bathymetrical range, 58-106 fathoms. Extremes of temperature, 57.8- 

 55.9. 



Three specimens. 



