NO. 2 LALICKER AND MCCULLOCH : TEXTULARIIDAE 143 



specimens ; chambers numerous, low and broad, the upper margin of each 

 chamber typically raised above the general level of the test, especially in 

 the central part of each series of chambers; sutures somewhat indistinct, 

 straight in central portion of test and curving down sharply near the 

 peripheral margin; wall finely arenaceous, smoothly finished, composed 

 of very small, clear sand grains cemented with calcareous cement ; aper- 

 ture a very low, broad slit, located at the base of the inner margin of the 

 last-formed chamber, in a slight re-entrant. Length of holotype, 0.50 

 mm.; greatest width, 0.46 mm.; thickness, 0.21 mm. 



Holotype (AHF no. 31) from Hancock Expedition Station 412, 

 latitude 0° 59' 15'' S., longitude 90° 20' 30" W., near the Galapagos 

 Islands, depth 111 fms. 



This species has also been noted at the following Hancock Expedi- 

 tion stations: 410, 411, 412, 414, 415, 432, 461, 473, 481, 482, 485, 

 and 585. This species appears to be more abundant in the vicinity of the 

 Galapagos Islands. 



Distribution. — Station records in the region of the Galapagos Islands 

 show a depth range of 9 to 111 fms. One record off Gorgona Island, 

 Colombia, is 20 fms. 



