266 BULLETIN : MUSEUM OF COMPAKATIVE ZOOLOGY. 



lip thin, simple, strongly protractive ; body with a thin ■white callus ; pillar short, 

 very obliquely truncate anteriorly, more or less twisted but not pervious ; canal 

 short, wide, slightly recurved. Lou. of shell, 15.2; of last whorl, 10; of aper- 

 ture, 7-5 ; max. diam. 6.5 mm. 



U. S. S. " Albatross," station 3392, Gulf of Panama, in 1270 fathoms, hard 

 bottom, temperature 36°. 4 F. U. S. N. Mus. 123,128 ; also at station 3407, near 

 the Galapagos Islands, in 885 fathoms, ooze, temperature 37°. 2; and at station 

 3392, Gulf of Panama, in 1270 fathoms, hard bottom ; temperature 36°.4;. 



Gemmula esuriens var. pernodata Dall. 



Shell defective, about three whorls remaining, resembling the last species in a 

 general way, having the median vermiculute band, similar periostracum, aperture 

 and pillar, but differiug as follows : the whorls are separated by a deeper constric- 

 tion ; the fasciole less excavated aud without spiral striae ; the basal spiral sculp- 

 ture is hardly perceptible ; the ribs are reduced to nodules in front of the suture 

 and more obliquely protractive and irregular or even obsolete ; the vermicular 

 sculpture is more or less extended over the base. Lou. of last whorl, li.O ; of 

 aperture, 10.0; max. diam. 8.7 mm. 



U. S. S. "Albatross," station 3414, southwest of Tehuautepec in the Pacific, 

 in 2232 fathoms, green mud, temperature 3S°.5 P. U. S. N. Mus. 123,127- 



These specimens are so badly eroded that in order to get the diagnostic charac- 

 ters one has to study uneroded patches of surface, and, while the result is be- 

 lieved to be accurate, it was impossible to get a draughtsman who could restore 

 the shell so as to make a reUable figure, so it was thought belter to omit the figure 

 pending the receipt of better material. 



Gemmula herilda Dall, n. ep. 



Shell rather small, stout, solid, chalky under an olivaceous periostracum ; the 

 spire longer than the aperture; whorls at least eight in the adult but usually 

 much eroded ; summit of the spire apparently blunt, the whorls in the young 

 short in their axial dimension, giving a " chunky " aspect to the shell ; early 

 wliorls with two beaded spiral scries or cordons one at the posterior suture, aud 

 another, larger, near the anterior suture. Between them is the anal fasciole; as 

 tlie sliell grows the anterior beaded cordon becomes situated more near the centre 

 of the exposed whorl aud (on the fourth whorl about twenty) the uodulatious 

 represent the posterior terminations of narrow very protractive axial ribicts, 

 which on the fifth whorl fade out on the base ; the anal fasciole is conspicuously 

 marked with arcuutc, close, fine ripples; in front of the shoulder in the young tiie 

 whole base of the shell and canal are covered witli close, fine, spiral threads, wlilch 

 ns the shell grows older appear also on the anal fasciole ; on the other hand in 

 the older shells the nodular band next the suture aud that at the periphery be- 



