34 THE NAUTILUS. 



Broderip, which is a much heavier, larger, proportionately wider 

 and more clumsy shell. 



Solariella triplostephanus n. sp. 



Shell trochiform, with six tabulate whorls; nucleus very minute, 

 glassy, slightly tilted; subsequent whorls flat above, with closely 

 appressed suture; three strong spirals girdle the whorls; one at the 

 shoulder strongly beaded; one at the middle of the whorl minutely 

 undulate, and the third at the suture, simple, and obscured on all the 

 whorls but the last by the suture being laid against it; on the last 

 whorl there may be a few microscopic spiral threadlets between the 

 shoulder and the median spiral; between the anterior spiral and the 

 edge of the umbilicus on the base are six or eight fine-channeled 

 spiral grooves; the cord bordering the funicular umbilicus is coarsely 

 beaded; within the umbilicus are three or more similar but smaller 

 beaded threads; axial sculpture consisting of fine, sharp, uniform and 

 closely set elevated lines corresponding with the lines of growth, but 

 frequently more or less obsolete; aperture nearly circular, oblique, 

 with simple edges, hardly interrupted on the body; throat pearly. 

 Height of shell 5.25; of aperture 2.5; maximum diameter of shell 

 7.0 mm. 



Type, U. S. N. Mus., 97001, in 12 fathoms sand. 



The colors of this pretty little shell are yellowish-white, with 

 flames, dots or blotches of lilac or purple-brown. 



TWO NEW MEXICAN LANDSHELLS. 



BY WILLIAM H. DALL. 



During a recent journey in Mexico Mr. Charles R. Orcutt col- 

 lected at some hot springs near the Rio Verde, Oaxaca, a number of 

 land shells, which he submitted to me for determination. Two of 

 them appear to be new, and the descriptions follows : 



Eucalodium (Anisospira) orcutti n. sp. 



Shell subcylindrical after decollation, of a pale cinnamon brown, 

 weathering to ashy, with 22 whorls, of which about nine are per- 

 manent ; apical portion flattened above and with three swollen 

 whorls, the nucleus of about | of a whorl smooth gradually becom- 

 ing ribbed with small low clear-cut, nearly straight riblets separated 



