234 THE AMERICAN NATURALIST. [VOL. XXXVII. 
Umbrella octangular-pyramidal, umbrella stalk quadrate-prismatic, approx- 
imately as long as the bell height. Eight arms, arranged in pairs; four 
perradial sinuses broader and deeper than the four interradials; each arm 
with from 100-120 tentacles; eight large marginal anchors. 
Color.— Very variable, often including almost every tint of the spectrum, 
though generally having a single color. 
Szze— Broad diameter 20-30 mm. Height, including stalk, 20-30 mm. 
Distribution — From Massachusetts Bay northward to Maine, etc. 
Haliclystus salpinx Clark. 1863. 
H. salpinx Clark, 1863. 
H. salpinx A. Ag. 1865. 
Lucernaria salpinx Heckel, 1865. 
Haliclystus salpinx Heckel, 1880. 
Umbrella octangular, stem quadrate, prismatic, with four interradial longi- 
tudinal muscles; eight arms, symmetrically disposed, each with a tuft of 
60-70 slender tentacles. Marginal anchors very large about as long as the 
arms. 
Distribution. — Chiefly Northeastern Atlantic coast. 
Lucernaria quadricornis O. F. Miill. 1776. 
Umbrella flat funnel-shaped or quadrate-pyramidal, approximately twice 
as broad as high. Stem cylindrical, single-chambered, about as long as the 
bell-height and with four interradial longitudinal muscles. Eight arms 
arranged in pairs, the four perradial sinuses of the bell margin as broad and 
deep as the four interradials. Each:arm with from 1oo—120 tentacles. 
Color.— Variable, gray, green, yellowish brown to red-brown. 
Size-— Umbrella 50-60 mm., height including ‘stalk, 502-70 mm. 
Distribution. — As in Haliclystus. 
Halicyathus lagena Heckel. 1880. 
Lucernaria auricula Fabr. 1780. 
L. typica Greene 1858. 
I. fabriciisl. Ag. 1862 
L. lagena Heckel 1865. 
Manania auricula Clark, 1863. 
M. auricula A. Ag. 1865. 
-M. lagena Heck. 1877. 
Halicyathus lagena Heck. 188o. 
Bell deep flask-shaped, about twice as high as broad ; stalk slender cylin 
